Timeline of discovery of Solar System planets and their moons

Last updated

The timeline of discovery of Solar System planets and their natural satellites charts the progress of the discovery of new bodies over history. Each object is listed in chronological order of its discovery (multiple dates occur when the moments of imaging, observation, and publication differ), identified through its various designations (including temporary and permanent schemes), and the discoverer(s) listed.

Contents

Historically the naming of moons did not always match the times of their discovery. Traditionally, the discoverer enjoys the privilege of naming the new object; however, some neglected to do so (E. E. Barnard stated he would "defer any suggestions as to a name" [for Amalthea] "until a later paper" [1] but never got around to picking one from the numerous suggestions he received) or actively declined (S. B. Nicholson stated "Many have asked what the new satellites [Lysithea and Carme] are to be named. They will be known only by the numbers X and XI, written in Roman numerals, and usually prefixed by the letter J to identify them with Jupiter." [2] ). The issue arose nearly as soon as planetary satellites were discovered: Galileo referred to the four main satellites of Jupiter using numbers while the names suggested by his rival Simon Marius gradually gained universal acceptance. The International Astronomical Union (IAU) eventually started officially approving names in the late 1970s. With the explosion of discoveries in the 21st century, new moons have once again started to be left unnamed even after their numbering, beginning with Jupiter LI and Jupiter LII in 2010.

Key info

In the following tables, planetary satellites are indicated in bold type (e.g. Moon) while planets and dwarf planets, which directly circle the Sun, are in italic type (e.g. Earth). The Sun itself is indicated in roman type. The tables are sorted by publication/announcement date. Dates are annotated with the following symbols:

In a few cases, the date is uncertain and is then marked "(?)".

* Note: Moons marked by an asterisk (*) had complicated discoveries, such as being lost and rediscovered. Some of them thus appear multiple times in the list to clarify the situation.

Color legend

The Sun, the planets, dwarf planets, and their natural satellites are marked in the following colors:

It is not known precisely how many objects in the Solar System are dwarf planets; the eight objects listed in the third column are the ones agreed on by most astronomers, corresponding to a threshold of about 900–1000 km diameter.

Designations

If a satellite is named, its name is bolded; if it is unnamed, but has a permanent designation, then its permanent designation is bolded; and if it has neither, then its temporary designation is bolded.

Prehistorically discovered

Prehistory
NameImageOther designationNotes
Sun
Sun in February.jpg
StarIn the geocentric model, developed in Ancient Greece, then standardized by Ptolemy in the 2nd century, the Earth was believed to be at the center of the cosmos. Seven planets were placed in orbit around it in an order of increasing distance from the Earth, as established by the Greek Stoics: the Moon, Mercury, Venus, the Sun, Mars, Jupiter, and Saturn. This list included two objects, the Sun and the Moon, which are now not generally considered planets.

In the 5th century BCE, the Greek philosophers Philolaus and Hicetas speculated separately that the Earth was a sphere revolving daily around some mystical "central fire" that regulated the universe. Anaxagoras proposed that the Sun is a star around 450 BCE. In the 3rd century BCE, Aristarchus of Samos extended this idea by proposing that the Earth and other planets moved around a definite central object, which he believed to be the Sun though this was not widely accepted until the 17th century and not proven until the 19th. [3]

Earth
The Earth seen from Apollo 17.jpg
3rd PlanetEarth is the third planet from the Sun and the subject of historical misconception for centuries. [4] [5] Earth was never formally 'discovered' because it was never an unrecognized entity by humans. However, its shared identity with other bodies as a "planet" is a historically recent discovery.

The Earth's position in the Solar System was correctly described in the heliocentric model proposed by Aristarchus of Samos. [6]

Luna
FullMoon2010.jpg
Earth IUntil 1610, earth's moon was the only moon we knew existed. That's why it was, and sometimes still is, referred to as "the Moon". However, in 1610, when Io, Europa, Ganymede and Callisto were discovering Jupiter by Galileo, we forced ourselves to ask: What should the Moon's name be? many didn't care and carried on calling it "the Moon", but clever people realised that the latin word for moon was "luna", making that the official name for Earth's only satellite (and to this day, the adjective for anything moon_related is lunar)
Mercury
Mercury in true color.jpg
1st PlanetMercury, Venus, Mars, Jupiter and Saturn were identified by ancient Babylonian astronomers in the 2nd millennium BC. [7] They were correctly identified as orbiting the Sun by Aristarchus of Samos, and later in Nicolaus Copernicus' heliocentric system [8] ( De revolutionibus orbium coelestium , 1543)
Venus
Venus from Mariner 10.jpg
2nd Planet
Mars
Mars Hubble.jpg
4th Planet
Jupiter
Jupiter and its shrunken Great Red Spot.jpg
5th Planet
Saturn
Ringworld Waiting.jpg
6th Planet

17th century

17th century
DateNameImagePermanent designationDiscoverer(s) and notes
1610s
o: 7 January 1610
p: 13 March 1610
Ganymede
Ganymede - Perijove 34 Composite.png
Jupiter III Galileo [9] [10] discovered the Galilean moons. These satellites were the first celestial objects that were confirmed to orbit an object other than the Sun or Earth. Galileo saw Io and Europa as a single point of light on 7 January 1610; they were seen as separate bodies the following night. [11]
Callisto
Callisto.jpg
Jupiter IV
o: 8 January 1610
p: 13 March 1610
Io
Io highest resolution true color.jpg
Jupiter I
Europa
Europa-moon.jpg
Jupiter II
1650s
o: 25 March 1655
p: 5 March 1656
Titan
Titan in true color.jpg
Saturn VI
Saturn II (1673–1684), Saturn IV (1686–1789)
Huygens [12] first "published" his discovery as an anagram, sent out on 13 June 1655; later published in pamphlet form as De Saturni luna Observatio Nova and in full in Systema Saturnium [13] (July 1659).
1670s
o: 25 October 1671
p: 1673
Iapetus
Iapetus as seen by the Cassini probe - 20071008 (cropped).jpg
Saturn VIII
Saturn III (1673–1684), Saturn V (1686–1789), Saturn VII (1789–1848)
Cassini [14]
o: 23 December 1672
p: 1673
Rhea
PIA07763 Rhea full globe5.jpg
Saturn V
Saturn I (1673–1684), Saturn III (1686–1789)
1680s
o: 21 March 1684
p: 22 April 1686
Tethys
PIA18317-SaturnMoon-Tethys-Cassini-20150411.jpg
Saturn III
Saturn I (1686–1789)
Cassini [15]

Together with his previous two discoveries, Cassini named these satellites Sidera Lodoicea . In his work Kosmotheôros [16] (published posthumously in 1698), Christiaan Huygens relates "Jupiter you see has his four, and Saturn his five Moons about him, all plac’d in their Orbits."

Dione
Dione in natural light (cropped).jpg
Saturn IV
Saturn II (1686–1789)
DateNameImagePermanent designationDiscoverer(s) and notes

The numbering of Saturn's moons was adjusted with each new discovery until 1848, in order to continue reflecting their order from their parent planet.

18th century

18th century
DateNameImageOther/Permanent designationDiscoverer(s) and notes
1780s
o: March 13, 1781
p: April 26, 1781
Uranus
Uranus Voyager2 color calibrated.png
7th Planet Herschel first reported the discovery of Uranus on April 26, 1781, initially believing it to be a comet. [17]
o: January 11, 1787
p: February 15, 1787
Titania
Titania (moon) color cropped.jpg
Uranus III
Uranus I (1787–1797)
Herschel. [18] [19] He later reported four more spurious satellites. [20]
Oberon
Voyager 2 picture of Oberon.jpg
Uranus IV
Uranus II (1787–1797)
o: August 28, 1789 [21]
p: November 12, 1789
Enceladus
PIA17202-SaturnMoon-Enceladus-ApproachingFlyby-20151028-cropped.jpg
Saturn IIHerschel [22]
o: September 17, 1789
p: November 12, 1789
Mimas
Mimas Cassini (cropped).jpg
Saturn I
DateNameImageOther/Permanent designationDiscoverer(s) and notes

The numbering of Titania and Oberon underwent some confusion, because in 1797, Herschel reported four more satellites of Uranus [23] that turned out not to exist. Before any more Uranian moons were discovered, William Lassell sometimes adopted Herschel's numbers where Titania and Oberon are respectively Uranus II and IV, [24] and sometimes called them respectively Uranus I and II. [25] After he discovered Ariel and Umbriel in 1851, Lassell numbered the four real Uranian satellites then known outward from their parent planet as I (Ariel), II (Umbriel), III (Titania), and IV (Oberon), and this finally stuck. [26]

19th century

19th century
DateNameImageOther/Permanent designationDiscoverer(s) and notes
1800s
o: January 1, 1801
p: January 24, 1801
Ceres
PIA19562-Ceres-DwarfPlanet-Dawn-RC3-image19-20150506.jpg
8th Planet  (1801)
Asteroid  (1851)
Dwarf planet  (2006)
Giuseppe Piazzi. He first announced his discovery on January 24, 1801, in letters to fellow astronomers. [27] The first formal publication was the September 1801 issue of the Monatliche Correspondenz. [28]
1840s
o: September 23, 1846
p: November 13, 1846
Neptune
Neptune Voyager2 color calibrated.png
13th Planet (1846) [lower-alpha 1]
8th Planet (1851)
Galle and Le Verrier [29] [30]
o: October 10, 1846
p: November 13, 1846
Triton
Triton moon mosaic Voyager 2 (large).jpg
Neptune I Lassell [31]
o: September 16, 1848
p: October 7, 1848
Hyperion
Hyperion true.jpg
Saturn VII Bond, Bond, [32] Lassell [33]
1850s
o: October 24, 1851 Ariel
Ariel (moon).jpg
Uranus I Lassell [26]
Umbriel
PIA00040 Umbrielx2.47.jpg
Uranus II
1870s
o: August 12, 1877 Deimos
Deimos-MRO.jpg
Mars II Hall [34] [35] [36]
o: August 18, 1877 Phobos
Phobos colour 2008.jpg
Mars I
1890s
o: September 9, 1892
p: October 4, 1892
Amalthea
Amalthea (moon).png
Jupiter V Barnard [1] [37]
i: August 16, 1898
o: March 17, 1899
Phoebe
Phoebe cassini.jpg
Saturn IX Pickering [38] [39]
DateNameImageOther/Permanent designationDiscoverer(s) and notes
  1. At the time of Neptune's discovery, dwarf planet Ceres and asteroids Pallas, Juno, Vesta, and Astraea were counted as planets.

The discovery of Amalthea marks the first time the Roman numerals were not adjusted with the discovery of a new satellite; from then on they reflected order of discovery rather than distance from the parent planet.

20th century

1901–1950

Early 20th century
DateNameImagePermanent designationDiscoverer(s) and notes
1900s
i: December 3, 1904
p: January 6, 1905
Himalia
Cassini-Huygens Image of Himalia.png
Jupiter VI Perrine [37] [40] [41]
i: January 2, 1905
p: February 27, 1905
Elara
Elara - New Horizons.png
Jupiter VIIPerrine [37] [41] [42]
i: January 27, 1908
o: February 28, 1908
p: March 1–6, 1908
Pasiphae
Pasiphae.jpg
Jupiter VIII Melotte [37] [43] [44]
1910s
i: July 21, 1914
p: September 17, 1914
Sinope
Sinope.jpg
Jupiter IXNicholson [37] [45]
1930s
i: January 23, 1930
o: February 18, 1930
p: March 13, 1930
Pluto
Pluto in True Color - High-Res.jpg
9th Planet  (1930)
Dwarf planet  (2006)
Tombaugh [46]
i: July 6, 1938
p: August 1938
Lysithea
Lysithea 2MASS JHK color composite.png
Jupiter X Nicholson [37] [47]
i: July 30, 1938
p: August 1938
Carme
Carme.jpg
Jupiter XI
1940s
i: February 16, 1948
p: June 1949
Miranda
Miranda - January 24 1986 (30906319004).jpg
Uranus V Kuiper [37] [48]
i: May 1, 1949
p: August 1949
Nereid
Nereid-Voyager2.jpg
Neptune IIKuiper [37] [49] [50]
DateNameImagePermanent designationDiscoverer(s) and notes

1951–2000

Late 20th century
DateNameTemporary DesignationImagePermanent DesignationDiscoverer(s) and notes
1950s
i: September 28, 1951
p: December 1951
Ananke
Ananke.jpg
Jupiter XII Nicholson [51] [52]
1960s
i: December 15, 1966
p: January 3, 1967
Janus *S/1966 S 2
PIA12714 Janus crop.jpg
Saturn X Dollfus [51] [53] [54] [55] [56]
(Dollfus may have seen either Janus or Epimetheus)
i: December 18, 1966
p: January 6, 1967
Epimetheus *S/1980 S 3
PIA09813 Epimetheus S. polar region.jpg
Saturn XI Walker [51] [57]
1970s
i: September 11, 1974
p: September 20, 1974
Leda
Leda WISE-W3.jpg
Jupiter XIII Kowal [37] [58]
i: September 30, 1975
p: October 3, 1975
Themisto *S/1975 J 1
S 2000 J 1.jpg
Jupiter XVIIIKowal and Roemer [37] [59]
(Discovered and then lost)
i: April 13, 1978
o: June 22, 1978
p: July 7, 1978
Charon S/1978 P 1
Charon in True Color - High-Res.jpg
Pluto I Christy [60] [61]
i: July 8, 1979
p: November 23, 1979
Adrastea S/1979 J 1
Adrastea.jpg
Jupiter XV Jewitt, Danielson, Voyager 2 [54] [62] [63] [64] [65] [66]
1980s
DateNameTemporary designationImagePermanent designationDiscoverer(s) and notes
i: February 26, 1980
p: March 6, 1980
Epimetheus *S/1980 S 3
PIA09813 Epimetheus S. polar region.jpg
Saturn XI [51] [56] [67] [68] [69] [70]
(Confirmed by Voyager 1)
i: March 1, 1980
p: March 6, 1980
Helene S/1980 S 6
Helene over Saturn.jpg
Saturn XII Laques, Lecacheux [37] [67] [68] [69] [70]
i: April 8, 1980
p: April 10, 1980
Telesto S/1980 S 13
Telesto cassini closeup.jpg
Saturn XIII Smith, Reitsema, Larson, Fountain, Voyager 1 [51] [70] [71]
i: March 5, 1979
p: April 28, 1980
Thebe S/1979 J 2
Thebe.jpg
Jupiter XIV Synnott, Voyager 1 [51] [63] [64]
i: February 19, 1980
p: June 6, 1980
Janus *S/1980 S 1
PIA12714 Janus crop.jpg
Saturn X [54] [56] [68] [69] [70]
(Confirmed by Voyager 1)
i: March 13, 1980
p: July 31, 1980
Calypso S/1980 S 25
Calypso N1644755236 1.jpg
Saturn XIV Pascu, Seidelmann, Baum, Currie [51] [69] [70]
i:March 4, 1979
p: August 26, 1980
Metis S/1979 J 3
Metis.jpg
Jupiter XVISynnott, Voyager 1 [51] [64]
o: October 1980
p: October 31, 1980
Prometheus S/1980 S 27
Prometheus 12-26-09a.jpg
Saturn XVI Collins, Voyager 1 [72]
Pandora S/1980 S 26
Pandora PIA07632.jpg
Saturn XVII Collins, Voyager 1 [37] [72]
o: October 1980
p: November 13, 1980
Atlas S/1980 S 28
Atlas color PIA21449.png
Saturn XV Terrile, Voyager 1 [51] [73]
i: May 24, 1981
p: May 29, 1981
Larissa *S/1981 N 1
Larissa 1.jpg
Neptune VIIReitsema, Hubbard, Lebofsky, Tholen [37] [74]
i: December 30, 1985
p: January 9, 1986
Puck S/1985 U 1
Puck.png
Uranus XVSynnott, Voyager 2 [37] [75]
i: January 3, 1986
p: January 16, 1986
Juliet S/1986 U 2
Julietmoon.png
Uranus XISynnott, Voyager 2 [37] [76] [77]
Portia S/1986 U 1
Portia1.jpg
Uranus XII
i: January 9, 1986
p: January 16, 1986
Cressida S/1986 U 3
Cressida.png
Uranus IX
i: January 13, 1986
p: January 16, 1986
Desdemona S/1986 U 6
Desdemonamoon.png
Uranus X
Rosalind S/1986 U 4
Rosalindmoon.png
Uranus XIII
Belinda S/1986 U 5
Belinda.gif
Uranus XIV
i: January 20, 1986
p: January 27, 1986
Cordelia S/1986 U 7
Cordeliamoon.png
Uranus VI Terrile, Voyager 2 [37] [78]
Ophelia S/1986 U 8
Opheliamoon.png
Uranus VII
i: January 23, 1986
p: January 27, 1986
Bianca S/1986 U 9
Biancamoon.png
Uranus VIII Smith, Voyager 2 [37] [78]
i: June 16, 1989
p: July 7, 1989
Proteus S/1989 N 1
Proteus (Voyager 2).jpg
Neptune VIIISynnott, Voyager 2 [37] [79]
i: July 28, 1989
p: August 2, 1989
Larissa *S/1989 N 2
Larissa 1.jpg
Neptune VIISynnott, Voyager 2 (recovered) [80] [37]
Despina S/1989 N 3
Despina.jpg
Neptune VSynnott, Voyager 2 [80] [37]
Galatea S/1989 N 4
Galatea moon.jpg
Neptune VI
i: September 18, 1989
p: September 29, 1989
Thalassa S/1989 N 5
Neptune Trio.jpg
Neptune IVTerrile, Voyager 2 [37] [81]
Naiad S/1989 N 6
Naiad Voyager.png
Neptune III
1990s
DateNameTemporary designationImagePermanent designationDiscoverer(s) and notes
i: August 22, 1981
p: July 16, 1990
Pan *S/1981 S 13
Pan by Cassini, March 2017.jpg
Saturn XVIII Showalter, Voyager 2 [37] [82]
i: August 23, 1981
p: April 14, 1995
Pallene *
(see below)
S/1981 S 14
Pallene N1665945513 1.jpg
Saturn XXXIII Gordon, Murray and Beurle [37] [83] [84]
i: September 6, 1997
p: October 31, 1997
Caliban S/1997 U 1
Caliban discovery.jpg
Uranus XVI Gladman, Nicholson, Burns, Kavelaars [37] [85]
Sycorax S/1997 U 2
Uranus-sycorax2.gif
Uranus XVIIGladman, Nicholson, Burns, Kavelaars [85]
i: January 18, 1986
p: May 18, 1999
Perdita *S/1986 U 10
Perditamoon.png
Uranus XXV Karkoschka, Voyager 2 [37] [86]
i: July 18, 1999
p: July 27, 1999
Setebos S/1999 U 1
Uranus - Setebos image.jpg
Uranus XIXKavelaars, Gladman, Holman, Petit, Scholl [37] [87]
Stephano S/1999 U 2
Stephano - Uranus moon.jpg
Uranus XXGladman, Holman, Kavelaars, Petit, Scholl [37] [87]
i: July 18, 1999
p: September 4, 1999
Prospero S/1999 U 3
Prospero - Uranus moon.jpg
Uranus XVIIIHolman, Kavelaars, Gladman, Petit, Scholl [37] [88]
2000s
DateNameTemporary designationImagePermanent designationDiscoverer(s) and notes
i: October 6, 1999
p: July 20, 2000
Callirrhoe S/1999 J 1
Callirrhoe - New Horizons.gif
Jupiter XVII Scotti, Spahr, McMillan, Larsen, Montani, Gleason, Gehrels [37] [89] [90]
i: August 7, 2000
p: October 25, 2000
Ymir S/2000 S 1
Ymir-CFHT.gif
Saturn XIX Gladman [37] [91] [92]
Paaliaq S/2000 S 2
Paaliaq-CFHT.gif
Saturn XX
i: September 23, 2000
p: October 25, 2000
Siarnaq S/2000 S 3
Siarnaq-discovery-CFHT.gif
Saturn XXIXGladman, Kavelaars [37] [93] [94]
Tarvos S/2000 S 4
Tarvos discovery.gif
Saturn XXIKavelaars, Gladman [37] [93] [94]
i: August 7, 2000
p: November 18, 2000
Kiviuq S/2000 S 5
Kiviuq-CFHT.gif
Saturn XXIVGladman [37] [94] [95]
i: September 23, 2000
p: November 18, 2000
Ijiraq S/2000 S 6
Ijiraq-discovery-CFHT.gif
Saturn XXIIKavelaars, Gladman [37] [94] [95]
i: November 21, 2000
p: November 25, 2000
Themisto *S/2000 J 1
S 2000 J 1.jpg
Jupiter XVIII Sheppard, Jewitt, Fernández, Magnier (Rediscovered) [37] [96] [97]
i: September 23, 2000
p: December 7, 2000
Thrymr S/2000 S 7
Thrymr-discovery-CFHT.gif
Saturn XXXGladman, Kavelaars [37] [92] [98]
Skathi S/2000 S 8
Skathi-discovery-CFHT.gif
Saturn XXVIIKavelaars, Gladman [37] [92] [98]
Mundilfari S/2000 S 9
Erriapus-discovery-CFHT.gif
Saturn XXVGladman, Kavelaars [37] [92] [98]
Erriapus S/2000 S 10
Erriapus-discovery-CFHT.gif
Saturn XXVIIIKavelaars, Gladman [37] [94] [99]
i: November 9, 2000
p: December 19, 2000
Albiorix S/2000 S 11
Albiorix WISE-W4.jpg
Saturn XXVI Holman, Spahr [37] [100] [101]
i: September 23, 2000
p: December 22, 2000
Suttungr S/2000 S 12
Suttungr-discovery-CFHT.gif
Saturn XXIIIGladman, Kavelaars [37] [102] [103]
DateNameTemporary designationImagePermanent designationDiscoverer(s) and notes

21st century

2000s

2000s
DateNameTemporary designationImagePermanent designationDiscoverer(s) and notes

i: November 23, 2000
p: January 5, 2001

Kalyke S/2000 J 2
Kalyke-Jewitt-CFHT-annotated.gif
Jupiter XXIII Sheppard, Jewitt, Fernández, Magnier, Dahm, Evans [37] [104] [105] [106]
Iocaste S/2000 J 3
Iocaste-Jewitt-CFHT-annotated.gif
Jupiter XXIV
Erinome S/2000 J 4
Erinome-Jewitt-CFHT-annotated.gif
Jupiter XXV
Harpalyke S/2000 J 5
Harpalyke-Jewitt-CFHT-annotated.gif
Jupiter XXII
Isonoe S/2000 J 6
Isonoe-Jewitt-CFHT-annotated.gif
Jupiter XXVI
Praxidike S/2000 J 7
Praxidike-Jewitt-CFHT-annotated.gif
Jupiter XXVII
i: November 25, 2000
p: January 5, 2001
Megaclite S/2000 J 8
Megaclite-Jewitt-CFHT-annotated.gif
Jupiter XIXSheppard, Jewitt, Fernández, Magnier, Dahm, Evans [37] [104] [106]
Taygete S/2000 J 9
Taygete-Jewitt-CFHT-annotated.gif
Jupiter XX
i: November 26, 2000
p: January 5, 2001
Chaldene S/2000 J 10
Chaldene-Jewitt-CFHT-annotated.gif
Jupiter XXI
i: December 5, 2000
p: January 5, 2001
Dia S/2000 J 11
Dia-Jewitt-CFHT image-crop.png
Jupiter LIII
DateNameTemporary designationImagePermanent designationDiscoverer(s) and notes
i: December 9, 2001
p: May 16, 2002
Hermippe S/2001 J 3
Hermippe-discovery.gif
Jupiter XXX Sheppard, Jewitt, Kleyna [37] [107] [108]
Eurydome S/2001 J 4
Eurydome-discovery-CFHT-annotated.gif
Jupiter XXXII
Sponde S/2001 J 5
Sponde-discovery-CFHT-annotated.gif
Jupiter XXXVI
Kale S/2001 J 8
Kale-discovery-CFHT-annotated.gif
Jupiter XXXVII
i: December 10, 2001
p: May 16, 2002
Autonoe S/2001 J 1
Autonoe-discovery-CFHT-annotated.gif
Jupiter XXVIII
i: December 11, 2001
p: May 16, 2002
Thyone S/2001 J 2
Thyone-discovery-CFHT-annotated.gif
Jupiter XXIX
Pasithee S/2001 J 6
Pasithee-discovery-CFHT-annotated.gif
Jupiter XXXVIII
Euanthe S/2001 J 7
Euanthe-discovery-CFHT-annotated.gif
Jupiter XXXIII
Orthosie S/2001 J 9
Orthosie-discovery-CFHT-annotated.gif
Jupiter XXXV
Euporie S/2001 J 10
Euporie-discovery-CFHT-annotated.gif
Jupiter XXXIV
Aitne S/2001 J 11
Aitne-discovery-CFHT-annotated.gif
Jupiter XXXI
i: August 13, 2001
p: September 30, 2002
Trinculo S/2001 U 1Uranus XXI Holman, Kavelaars, Milisavljevic [37] [109] [110]
i: June 4, 2002
o: June 5, 2002
p: October 7, 2002
Quaoar (50000) 2002 LM60
Quaoar-weywot hst.jpg
Dwarf planet Trujillo, Brown [111]
i: October 31, 2002
p: December 18, 2002
Arche S/2002 J 1
Bigs2002j1barrow.png
Jupiter XLIIISheppard, Meech, Hsieh, Tholen, Tonry [37] [112] [113]
DateNameTemporary designationImagePermanent designationDiscoverer(s) and notes
i: July 23, 2002
p: January 13, 2003
Sao S/2002 N 2
Sao VLT-FORS1 2002-09-03 annotated.gif
Neptune XI Holman, Kavelaars, Grav, Fraser, Milisavljevic [37] [114] [115]
i: August 10, 2002
p: January 13, 2003
Halimede S/2002 N 1
N2002n1b.jpg
Neptune IX
i: August 11, 2002
p: January 13, 2003
Laomedeia S/2002 N 3
Laomedeia VLT-FORS1 2002-09-03 annotated.gif
Neptune XII
i: February 5, 2003
p: March 4, 2003
Eukelade S/2003 J 1
Eukelade s2003j1movie arrow.gif
Jupiter XLVII Sheppard, Jewitt, Kleyna, Fernández, Hsieh [37] [116] [117]
(unnamed moon of Jupiter) S/2003 J 2
2003 J 2 Gladman CFHT annotated.gif
Eupheme S/2003 J 3
Eupheme CFHT 2003-02-25 annotated.gif
Jupiter LX
(unnamed moon of Jupiter) S/2003 J 4
2003 J 4 Gladman CFHT annotated.gif
i: February 6, 2003
p: March 4, 2003
Eirene S/2003 J 5Jupiter LVII
Helike S/2003 J 6
Helike CFHT 2003-02-25 annotated.gif
Jupiter XLV
i: February 8, 2003
p: March 4, 2003
Aoede S/2003 J 7Jupiter XLI
i: February 8, 2003
p: March 6, 2003
Hegemone S/2003 J 8Jupiter XXXIXSheppard, Jewitt, Kleyna, Fernández [37] [118] [119]
i: February 6, 2003
p: March 7, 2003
(unnamed moons of Jupiter) S/2003 J 9
2003 J 9 Gladman CFHT annotated.gif
Sheppard, Jewitt, Kleyna, Fernández [37] [120] [121]
S/2003 J 10
2003 J 10 Gladman CFHT annotated.gif
Kallichore S/2003 J 11Jupiter XLIV
i: February 8, 2003
p: March 7, 2003
(unnamed moon of Jupiter) S/2003 J 12
2003 J 12 Gladman CFHT annotated.gif
i: February 9, 2003
p: April 2, 2003
Cyllene S/2003 J 13Jupiter XLVIIISheppard, Jewitt, Kleyna [37] [122] [123]
i: February 8, 2003
p: April 3, 2003
Kore S/2003 J 14
Kore s2003j14movie circled.gif
Jupiter XLIXSheppard, Jewitt, Kleyna [37] [122] [124]
i: February 6, 2003
p: April 3, 2003
Philophrosyne S/2003 J 15Jupiter LVIIISheppard, Jewitt, Kleyna, Fernández [122] [125]
(unnamed moon of Jupiter) S/2003 J 16
2003 J 16 CFHT recovery full.gif
Gladman, Sheppard, Jewitt, Kleyna, Kavelaars, Petit, Allen [122] [126]
i: February 8, 2003
p: April 3, 2003
Herse S/2003 J 17Jupiter LGladman, Sheppard, Jewitt, Kleyna, Kavelaars, Petit, Allen [37] [122] [127]
i: February 6, 2003
p: April 4, 2003
(unnamed moon of Jupiter)S/2003 J 18
2003 J 18 CFHT recovery full.gif
Jupiter LV Gladman, Kavelaars, Petit, Allen, Sheppard, Jewitt, Kleyna [37] [122] [128]
i: February 5, 2003
p: April 8, 2003
Narvi S/2003 S 1
Narvi.jpg
Saturn XXXISheppard, Jewitt, Kleyna [37] [122] [129]
i: February 6, 2003
p: April 12, 2003
(unnamed moon of Jupiter)S/2003 J 19 Jupiter LXI Gladman, Sheppard, Jewitt, Kleyna, Kavelaars, Petit, Allen [130] [131]
i: February 9, 2003
p: April 14, 2003
Carpo S/2003 J 20
Carpo CFHT 2003-02-25 annotated.gif
Jupiter XLVISheppard, Gladman, Kavelaars, Petit, Allen, Jewitt, Kleyna [37] [130] [132]
i: February 6, 2003
p: May 29, 2003
Mneme S/2003 J 21
Mneme Discovery Image.jpg
Jupiter XLSheppard, Jewitt, Kleyna, Gladman, Kavelaars, Petit, Allen [37] [133] [134]
i: January 18, 1986
p: September 3, 2003
Perdita *S/1986 U 10
Perditamoon.png
Uranus XXV Karkoschka (Recovered by the Hubble Space Telescope) [37] [86] [135]
i: August 29, 2003
p: September 3, 2003
Psamathe S/2003 N 1
Psamathe feat.jpg
Neptune XJewitt, Kleyna, Sheppard, Holman, Kavelaars [37] [136] [137]
i: August 25, 2003
p: September 25, 2003
Mab S/2003 U 1
Mabmoon.png
Uranus XXVI Showalter, Lissauer [138]
Cupid S/2003 U 2
Cupidmoon.png
Uranus XXVII
i: August 13, 2001
p: September 30, 2003
Ferdinand *S/2001 U 2
Uranus moon 021002 02.jpg
Uranus XXIV2001: Holman, Kavelaars, Milisavljevic;
2003: Sheppard, Jewitt (recovered) [37] [139] [140]
i: August 14, 2002
p: September 30, 2003
Neso S/2002 N 4
Neso VLT-FORS1 2002-09-03 annotated.gif
Neptune XIIIHolman, Kavelaars, Grav, Fraser, Milisavljevic [37] [139] [141]
i: August 13, 2001
p: October 8, 2003
Francisco S/2001 U 3Uranus XXIIHolman, Kavelaars, Milisavljevic, Gladman [37] [142]
i: August 29, 2003
p: October 9, 2003
Margaret S/2003 U 3
S2003u3acircle.gif
Uranus XXIIISheppard, Jewitt, Holman, Kavelaars [37] [143] [144]
DateNameTemporary designationImagePermanent designationDiscoverer(s) and notes
i: February 9, 2003
p: January 24, 2004
Thelxinoe S/2003 J 22Jupiter XLII Sheppard, Jewitt, Kleyna, Gladman, Kavelaars, Petit, Allen [37] [145] [146]
i: February 6, 2003
p: January 31, 2004
(unnamed moon of Jupiter) S/2003 J 23
S2003j23ccircle.gif
Sheppard, Jewitt, Kleyna, Fernández [147] [148]
i: November 14, 2003
p: March 15, 2004
Sedna (90377) 2003 VB12
Sedna PRC2004-14d.jpg
Dwarf planet Brown, Trujillo, Rabinowitz [149]
i: June 1, 2004
p: August 16, 2004
Methone S/2004 S 1
Methone PIA14633.jpg
Saturn XXXII Cassini–Huygens [37] [150] [151] [152]
Pallene *S/2004 S 2
Pallene N1665945513 1.jpg
Saturn XXXIII
i: August 14, 2002
p: August 19, 2004
(unnamed moon of Neptune) S/2002 N 5 *
S-2002 N 5 VLT-FORS1 2002-09-03 annotated.gif
Holman, Kavelaars, Grav, Fraser (as lost moon c02N4) [153] [154]
i: October 21, 2004
o: October 24, 2004
p: November 8, 2004
Polydeuces S/2004 S 5
Polydeuces.jpg
Saturn XXXIVCassini–Huygens [37] [155] [156]
DateNameTemporary designationImagePermanent designationDiscoverer(s) and notes
i: December 12, 2004
p: May 3, 2005
(unnamed moon of Saturn) S/2004 S 7 Sheppard, Jewitt, Kleyna, Marsden [37] [157]
Fornjot S/2004 S 8
Fornjot-cassini.png
Saturn XLII
Farbauti S/2004 S 9Saturn XL
Aegir S/2004 S 10Saturn XXXVI
Bebhionn S/2004 S 11
Bebhionn-cassini.png
Saturn XXXVII
(unnamed moons of Saturn) S/2004 S 12
S/2004 S 13
Hati S/2004 S 14
Hati-cassini.png
Saturn XLIII
Bergelmir S/2004 S 15
Bergelmir.png
Saturn XXXVIII
i: December 13, 2004
p: May 3, 2005
Fenrir S/2004 S 16Saturn XLI
(unnamed moon of Saturn) S/2004 S 17
Bestla S/2004 S 18
Bestla-cassini.png
Saturn XXXIX
i: May 1, 2005
p: May 6, 2005
Daphnis S/2005 S 1
Daphnis (Saturn's Moon).jpg
Saturn XXXV Cassini–Huygens [158]
i: March 7, 2003
o:July 27, 2005
i: May 6, 2004
o: December 28, 2004
p: July 29, 2005
Haumea (136108) 2003 EL61
Haumea Hubble.png
Dwarf planet (Ortiz, Aceituno Castro, Santos-Sanz) [37] [159] or (Brown, Trujillo, Rabinowitz) [160] (see the Controversy over the discovery of Haumea )
i: October 21, 2003
o: January 5, 2005
p: July 29, 2005
Eris (136199) 2003 UB313
Eris and dysnomia2.jpg
Dwarf planet Brown, Trujillo, Rabinowitz [37] [160] [161]
o: January 26, 2005
p: July 29, 2005
Hiʻiaka S/2005 (136108) 1
Haumea Hubble.png
Haumea IBrown, Trujillo, Rabinowitz [37] [162]
i: March 31, 2005
p: July 29, 2005
Makemake (136472) 2005 FY9
Makemake moon Hubble image with legend (cropped).jpg
Dwarf planet Brown, Trujillo, Rabinowitz [160] [163]
o: June 30, 2005
p: July 29, 2005
Namaka S/2005 (136108) 2
Haumea Hubble.png
Haumea IIBrown, Trujillo, Rabinowitz [164]
i: September 10, 2005
p: October 3, 2005
Dysnomia S/2005 (136199) 1
Eris and dysnomia2.jpg
Eris IBrown, van Dam, Bouchez, Le Mignant, Campbell, Chin, Conrad, Hartman, Johansson, Lafon, Rabinowitz, Stomski, Summers, Trujillo, Wizinowich [165]
i: May 15, 2005
o: June 15, 2005
p: October 31, 2005
Nix S/2005 P 2
Nix best view.jpg
Pluto II Weaver, Stern, Mutchler, Steffl, Buie, Merline,
Spencer, Young, Young [166]
Hydra S/2005 P 1
Hydra Enhanced Color.jpg
Pluto III
DateNameTemporary designationImagePermanent designationDiscoverer(s) and notes
i: December 12, 2004
o: March 6, 2006 (?)
p: June 26, 2006
Hyrrokkin S/2004 S 19
Hyrrokkin-cassini.png
Saturn XLIV Sheppard, Jewitt, Kleyna [37] [167] [168]
i: January 4, 2006
o: March 6, 2006 (?)
p: June 26, 2006
(unnamed moon of Saturn) S/2006 S 1 Sheppard, Jewitt, Kleyna [37] [168] [169]
Kari S/2006 S 2
Kari-cassini.png
Saturn XLV
i: January 5, 2006
o: March 6, 2006 (?)
p: June 26, 2006
(unnamed moon of Saturn) S/2006 S 3
Greip S/2006 S 4
Greip-cassini.png
Saturn LI
Loge S/2006 S 5
Loge N00177425.jpg
Saturn XLVI
Jarnsaxa S/2006 S 6Saturn L
Surtur S/2006 S 7Saturn XLVIII
Skoll S/2006 S 8
Skoll-Cassini.png
Saturn XLVII
i: February 14, 2006
p: February 22, 2007
Weywot S/2006 (50000) 1
Quaoar-weywot hst.jpg
Quaoar IBrown, Suer [170]
i: January 5, 2006
o: January 16, 2007 (?)
p: April 13, 2007
Tarqeq S/2007 S 1
Tarqeq-cassini.png
Saturn LII Sheppard, Jewitt, Kleyna [37] [171] [172]
i: January 18, 2007
o: ?
p: May 1, 2007
(unnamed moons of Saturn) S/2007 S 2 Sheppard, Jewitt, Kleyna [172] [173]
S/2007 S 3
i: June 2004
o: May 30, 2007
p: July 18, 2007
Anthe S/2007 S 4
Anthe crop.jpg
Saturn XLIX Cassini–Huygens [37] [174]
i: July 17, 2007
p: January 7, 2009
Gonggong (225088) 2007 OR10
225088 Gonggong and Xiangliu by Hubble (2010).png
Dwarf planet Schwamb, Brown, Rabinowitz [175]
i: August 15, 2008
p: March 3, 2009
Aegaeon S/2008 S 1
N1643264379 1.jpg
Saturn LIIICassini–Huygens [37] [176]
i: July 26, 2009
o: ?
p: November 2, 2009
(unnamed moon of Saturn) S/2009 S 1
PIA11665 moonlet in B Ring cropped.jpg
Cassini–Huygens [177]
DateNameTemporary designationImagePermanent designationDiscoverer(s) and notes

2010s

2010s
DateNameTemporary designationImagePermanent designationDiscoverer(s) and notes

i: September 7, 2010
p: June 1, 2011

(unnamed moons of Jupiter)S/2010 J 1
2010 J 1 CFHT image.gif
Jupiter LI Jacobson, Brozović, Gladman and Alexandersen [178]
S/2010 J 2
2010 J 2 CFHT discovery full.gif
Jupiter LII Veillet [178]

i: June 28, 2011
p: July 20, 2011

Kerberos S/2011 (134340) 1
Kerberos (moon).jpg
Pluto IV Showalter [179] [180]

i: September 27, 2011
p: January 29, 2012

(unnamed moons of Jupiter)S/2011 J 1 Jupiter LXXII Sheppard [181]
S/2011 J 2 Jupiter LVI

i: June 26, 2012
p: July 11, 2012

Styx S/2012 (134340) 1
Styx (moon).jpg
Pluto V Showalter [182]

i: November 6, 2004
o: July 1, 2013
p: July 15, 2013

Hippocamp *S/2004 N 1
Hippocamp-heic1904b.jpg
Neptune XIV Showalter et al. [183]

i: April 27, 2015
p: April 25, 2016

(unnamed moon of Makemake) S/2015 (136472) 1
Makemake moon Hubble image with legend (cropped).jpg
Parker et al. [184] [185]
i: September 18, 2010
p: October 17, 2016
Xiangliu S/2010 (225088) 1
Xiangliu orbiting 225088 Gonggong (2010, cropped).jpg
Gonggong I Marton, Kiss, Müller [186]
i: March 8, 2016
p: June 2, 2017
(unnamed moons of Jupiter)S/2016 J 1
2016 J 1 CFHT 2003-02-26 annotated.gif
Jupiter LIV Sheppard et al. [187] [188] [189]
i: March 23, 2017
p: June 5, 2017
S/2017 J 1
2017 J 1 CFHT precovery full.gif
Jupiter LIX
i: March 9, 2016
p: July 17, 2018
Valetudo S/2016 J 2
Valetudo CFHT precovery 2003-02-28 annotated.gif
Jupiter LXII
i: February 5, 2016
o: March 23, 2017
p: July 17, 2018
(unnamed moons of Jupiter)S/2017 J 2
2017 J 2 CFHT 2003-02-26 annotated.gif
Jupiter LXIII
i: February 5, 2016
o: March 23, 2017
p: July 17, 2018
S/2017 J 3
2017 J 3 CFHT 2003-12-25 annotated.gif
Jupiter LXIV
i: March 23, 2017
p: July 17, 2018
Pandia S/2017 J 4
Pandia CFHT precovery 2003-02-28.png
Jupiter LXV
i: March 23, 2017
p: July 17, 2018
(unnamed moons of Jupiter)S/2017 J 5 Jupiter LXVI
i: February 24, 2017
o: March 23, 2017
p: July 17, 2018
S/2017 J 6 Jupiter LXVII
i: February 24, 2017
o: March 23, 2017
p: July 17, 2018
S/2017 J 7 Jupiter LXVIII
i: March 23, 2017
p: July 17, 2018
S/2017 J 8
2017 J 8 CFHT precovery full.gif
Jupiter LXIX
i: February 24, 2017
o: March 23, 2017
p: July 17, 2018
S/2017 J 9 Jupiter LXX
i: March 25, 2017
o: May 11, 2018
p: July 17, 2018
Ersa S/2018 J 1
Ersa CFHT precovery 2003-02-24.png
Jupiter LXXI
i: December 12, 2004
p: October 7, 2019
Gridr S/2004 S 20Saturn LIVSheppard, Jewitt, Kleyna [190]
(unnamed moon of Saturn) S/2004 S 21
Angrboda S/2004 S 22Saturn LV
Skrymir S/2004 S 23Saturn LVI
(unnamed moon of Saturn) S/2004 S 24
Gerd S/2004 S 25Saturn LVII
(unnamed moon of Saturn)S/2004 S 26 Saturn LVIII
Eggther S/2004 S 27Saturn LIX
(unnamed moons of Saturn) S/2004 S 28
S/2004 S 29 Saturn LX
Beli S/2004 S 30Saturn LXI
i: December 12, 2004
p: October 8, 2019
(unnamed moon of Saturn) S/2004 S 31
Gunnlod S/2004 S 32Saturn LXII
Thiazzi S/2004 S 33Saturn LXIII
(unnamed moon of Saturn)S/2004 S 34 Saturn LXIV
Alvaldi S/2004 S 35Saturn LXV
(unnamed moons of Saturn) S/2004 S 36
S/2004 S 37
Geirrod S/2004 S 38Saturn LXVI
(unnamed moon of Saturn) S/2004 S 39
DateNameTemporary designationImagePermanent designationDiscoverer(s) and notes

2020s

2020s
DateNameTemporary designationImagePermanent designationDiscoverer(s) and notes
i: February 5, 2003
p: November 15, 2021
(unnamed moon of Jupiter) S/2003 J 24 Sheppard, Jewitt, Kleyna, Gladman, Veillet [191]
i: July 1, 2019
p: November 16, 2021
(unnamed moon of Saturn) S/2019 S 1
2019 S 1 CFHT 2019-07-01 5x205s stack annotated.png
Ashton, Gladman, Petit, Alexandersen [192]
i: September 27, 2011
p: December 20, 2022
(unnamed moons of Jupiter) S/2011 J 3 Sheppard [193] [194] [195] [196] [197]
i: May 12, 2018
p: December 20, 2022
S/2018 J 2
i: March 9, 2016
p: January 5, 2023
S/2016 J 3
i: August 12, 2021
p: January 5, 2023
S/2021 J 1
i: May 12, 2018
p: January 19, 2023
S/2018 J 3
i: August 12, 2021
p: January 19, 2023
S/2021 J 2
S/2021 J 3
i: August 14, 2021
p: January 19, 2023
S/2021 J 4
i: September 5, 2021
p: January 19, 2023
S/2021 J 5 Sheppard, Tholen, Trujillo [198]
i: May 11, 2018
p: January 20, 2023
S/2018 J 4 Sheppard [199]
i: September 5, 2021
p: January 20, 2023
S/2021 J 6 Sheppard, Tholen, Trujillo [200]
i: March 9, 2016
p: January 24, 2023
S/2016 J 4 Sheppard [201] [202] [203] [204]
i: August 30, 2022
p: February 22, 2023
S/2022 J 1
i: October 15, 2022
p: February 22, 2023
S/2022 J 2
i: August 30, 2022
p: February 22, 2023
S/2022 J 3
i: June 24, 2020
p: May 3, 2023
(unnamed moons of Saturn) S/2020 S 1 Sheppard, Jewitt, Kleyna, Ashton, Gladman, Petit, Alexandersen [205] [206] [207] [208] [209]
i: February 1, 2006
p: May 3, 2023
S/2006 S 9
i: January 18, 2007
p: May 3, 2023
S/2007 S 5
i: December 12, 2004
p: May 3, 2023
S/2004 S 40 Jewitt, Sheppard, Ashton, Gladman, Petit, Alexandersen [210]
i: July 3, 2019
p: May 3, 2023
S/2019 S 2 Ashton, Gladman, Petit, Alexandersen [211]
S/2019 S 3 Sheppard, Jewitt, Kleyna, Ashton, Gladman, Petit, Alexandersen [212]
i: June 27, 2020
p: May 3, 2023
S/2020 S 2 Ashton, Gladman, Petit, Alexandersen [213] [214]
i: June 24, 2020
p: May 5, 2023
S/2020 S 3
i: July 3, 2019
p: May 5, 2023
S/2019 S 4 Ashton, Gladman [215]
i: December 12, 2004
p: May 6, 2023
S/2004 S 41 Sheppard, Jewitt, Kleyna, Ashton, Gladman, Petit, Alexandersen [216]
i: June 24, 2020
p: May 6, 2023
S/2020 S 4 Ashton, Gladman, Petit, Alexandersen [217] [218]
S/2020 S 5
i: January 16, 2007
p: May 6, 2023
S/2007 S 6 Sheppard, Jewitt, Kleyna, Ashton, Gladman, Petit, Alexandersen [219] [220] [221]
i: December 12, 2004
p: May 6, 2023
S/2004 S 42
i: January 5, 2006
p: May 6, 2023
S/2006 S 10
i: July 3, 2019
p: May 6, 2023
S/2019 S 5 Ashton, Gladman [222]
i: December 12, 2004
p: May 7, 2023
S/2004 S 43 Sheppard, Jewitt, Kleyna, Ashton, Gladman, Petit, Alexandersen [223]
S/2004 S 44 Sheppard, Jewitt, Kleyna, Ashton, Gladman [224]
i: December 13, 2004
p: May 7, 2023
S/2004 S 45 Jewitt, Sheppard, Kleyna, Ashton, Gladman, Petit, Alexandersen [225]
i: January 5, 2006
p: May 7, 2023
S/2006 S 11 Sheppard, Jewitt, Kleyna, Ashton, Gladman, Petit, Alexandersen [226] [227]
S/2006 S 12
i: July 3, 2019
p: May 8, 2023
S/2019 S 6 Ashton, Gladman [228]
i: January 6, 2006
p: May 8, 2023
S/2006 S 13 Sheppard, Jewitt, Kleyna, Ashton, Gladman, Petit, Alexandersen [229]
i: July 1, 2019
p: May 8, 2023
S/2019 S 7 Ashton, Gladman [230]
i: July 3, 2019
p: May 8, 2023
S/2019 S 8 Ashton, Gladman, Petit, Alexandersen [231]
i: July 1, 2019
p: May 8, 2023
S/2019 S 9 Sheppard, Jewitt, Ashton, Gladman [232]
i: December 12, 2004
p: May 8, 2023
S/2004 S 46 Sheppard, Jewitt, Ashton, Gladman, Petit, Alexandersen [233]
i: July 1, 2019
p: May 8, 2023
S/2019 S 10 Ashton, Gladman, Petit, Alexandersen [234]
i: December 12, 2004
p: May 8, 2023
S/2004 S 47 Sheppard, Jewitt, Kleyna, Ashton, Gladman, Petit, Alexandersen [235]
i: July 1, 2019
p: May 8, 2023
S/2019 S 11 Sheppard, Jewitt, Ashton, Gladman, Petit, Alexandersen [236]
i: January 5, 2006
p: May 8, 2023
S/2006 S 14 Sheppard, Jewitt, Kleyna, Ashton, Gladman, Petit, Alexandersen [237]
i: July 3, 2019
p: May 9, 2023
S/2019 S 12 Ashton, Gladman [238]
i: June 27, 2020
p: May 9, 2023
S/2020 S 6 Ashton, Gladman, Petit, Alexandersen [239] [240]
i: July 3, 2019
p: May 9, 2023
S/2019 S 13
i: January 5, 2005
p: May 10, 2023
S/2005 S 4 Sheppard, Jewitt, Kleyna, Ashton, Gladman, Petit, Alexandersen [241]
i: January 16, 2007
p: May 10, 2023
S/2007 S 7 Sheppard, Jewitt, Kleyna [242]
i: March 21, 2007
p: May 10, 2023
S/2007 S 8 Sheppard, Jewitt, Kleyna, Ashton, Gladman, Petit, Alexandersen [243]
i: June 24, 2020
p: May 10, 2023
S/2020 S 7 Ashton, Gladman, Petit, Alexandersen [244]
i: July 1, 2019
p: May 10, 2023
S/2019 S 14 Ashton, Gladman [245]
i: July 1, 2019
p: May 10, 2023
S/2019 S 15 Ashton, Gladman, Petit, Alexandersen [246]
i: March 9, 2005
p: May 10, 2023
S/2005 S 5 Sheppard, Jewitt, Kleyna, Ashton, Gladman, Petit, Alexandersen [247]
i: January 5, 2006
p: May 15, 2023
S/2006 S 15 Sheppard, Jewitt, Kleyna, Ashton, Gladman [248]
i: February 1, 2006
p: May 15, 2023
S/2006 S 16 Sheppard, Jewitt, Kleyna, Ashton, Gladman, Petit, Alexandersen [249]
i: January 5, 2006
p: May 15, 2023
S/2006 S 17 Sheppard, Jewitt, Kleyna, Ashton, Gladman [250]
i: December 12, 2004
p: May 15, 2023
S/2004 S 48 Jewitt, Sheppard, Ashton, Gladman, Petit, Alexandersen [251]
i: June 27, 2020
p: May 15, 2023
S/2020 S 8 Sheppard, Jewitt, Kleyna, Ashton, Gladman, Petit, Alexandersen [252]
i: December 13, 2004
p: May 15, 2023
S/2004 S 49 Sheppard, Jewitt, Kleyna, Ashton, Gladman, Petit, Alexandersen [253]
i: December 12, 2004
p: May 15, 2023
S/2004 S 50 Sheppard, Jewitt, Ashton, Gladman, Petit, Alexandersen [254]
i: January 5, 2006
p: May 15, 2023
S/2006 S 18 Sheppard, Jewitt, Kleyna, Ashton, Gladman, Petit, Alexandersen [255]
i: July 3, 2019
p: May 15, 2023
S/2019 S 16 Ashton, Gladman, Petit, Alexandersen [256]
i: July 1, 2019
p: May 15, 2023
S/2019 S 17 Sheppard, Jewitt, Ashton, Gladman, Petit, Alexandersen [257]
i: July 3, 2019
p: May 15, 2023
S/2019 S 18 Sheppard, Jewitt, Ashton, Gladman, Petit, Alexandersen [258]
i: July 3, 2019
p: May 15, 2023
S/2019 S 19 Ashton, Gladman [259]
i: July 1, 2019
p: May 15, 2023
S/2019 S 20 Ashton, Gladman, Petit, Alexandersen [260]
i: January 5, 2006
p: May 15, 2023
S/2006 S 19 Sheppard, Jewitt, Kleyna, Ashton, Gladman, Petit, Alexandersen [261] [262]
i: December 12, 2004
p: May 15, 2023
S/2004 S 51
i: June 27, 2020
p: May 15, 2023
S/2020 S 9 Ashton, Gladman, Petit, Alexandersen [263]
i: December 12, 2004
p: May 15, 2023
S/2004 S 52 Jewitt, Sheppard, Ashton, Gladman, Petit, Alexandersen [264]
i: March 21, 2007
p: May 16, 2023
S/2007 S 9 Sheppard, Jewitt, Kleyna, Ashton, Gladman [265]
i: December 12, 2004
p: May 16, 2023
S/2004 S 53 Sheppard, Jewitt, Kleyna, Ashton, Gladman, Petit, Alexandersen [266]
i: June 27, 2020
p: May 16, 2023
S/2020 S 10 Ashton, Gladman, Petit, Alexandersen [267]
i: July 3, 2019
p: May 16, 2023
S/2019 S 21 Sheppard, Jewitt, Kleyna, Ashton, Gladman, Petit, Alexandersen [268] [269]
i: January 5, 2006
p: May 23, 2023
S/2006 S 20
i: September 7, 2021
p: February 23, 2024
(unnamed moon of Neptune) S/2021 N 1 Sheppard, Tholen, Trujillo, Lykawka [270]
i: November 4, 2023
p: February 23, 2024
(unnamed moon of Uranus) S/2023 U 1 Sheppard [271]
i: August 14, 2002
p: February 23, 2024
(unnamed moon of Neptune) S/2002 N 5 *
S-2002 N 5 VLT-FORS1 2002-09-03 annotated.gif
Sheppard (recovered) [153] (originally published in 2004 as lost moon c02N4) [154]
DateNameTemporary designationImagePermanent designationDiscoverer(s) and notes

See also

Related Research Articles

<span class="mw-page-title-main">Themisto (moon)</span> Outer moon of Jupiter

Themisto, also known as Jupiter XVIII, is a small prograde irregular satellite of Jupiter. It was discovered in 1975, subsequently lost, and rediscovered in 2000.

<span class="mw-page-title-main">Euporie (moon)</span> Outer moon of Jupiter

Euporie, also known as Jupiter XXXIV, is a natural satellite of Jupiter. It was discovered by a team of astronomers from the University of Hawaii led by Scott S. Sheppard in 2001, and given the temporary designation S/2001 J 10.

<span class="mw-page-title-main">Orthosie (moon)</span> Moon of Jupiter

Orthosie, also known as Jupiter XXXV, is a natural satellite of Jupiter. It was discovered by a team of astronomers from the University of Hawaii led by Scott S. Sheppard in 2001, and given the temporary designation S/2001 J 9.

<span class="mw-page-title-main">Euanthe (moon)</span>

Euanthe, also known as Jupiter XXXIII, is a retrograde irregular satellite of Jupiter. It was discovered by a team of astronomers from the University of Hawaii led by Scott S. Sheppard in 2001, and given the temporary designation S/2001 J 7.

<span class="mw-page-title-main">Kiviuq (moon)</span> Moon of Saturn

Kiviuq is a prograde irregular satellite of Saturn. It was discovered by J. J. Kavelaars et al. in 2000, and given the temporary designation S/2000 S 5. It was named after Kiviuq, a hero of Inuit mythology.

<span class="mw-page-title-main">Ijiraq (moon)</span> Moon of Saturn

Ijiraq, or Saturn XXII (22), is a small prograde irregular satellite of Saturn. It was discovered by the team of Brett Gladman, John J. Kavelaars, et al. in 2000, and given the temporary designation S/2000 S 6. It was named in 2003 after the ijiraq, a creature in Inuit mythology.

<span class="mw-page-title-main">Paaliaq</span> Moon of Saturn

Paaliaq is a prograde irregular satellite of Saturn. It was discovered by J. J. Kavelaars, Brett J. Gladman, Jean-Marc Petit, Hans Scholl, Matthew J. Holman, Brian G. Marsden, Philip D. Nicholson and Joseph A. Burns in early October 2000, and given the temporary designation S/2000 S 2. It was named in August 2003 after a fictional shaman in the book The Curse of the Shaman, written by Michael Kusugak, who supplied Kavelaars with the names of giants from Inuit mythology that were used for other Saturnian moons.

<span class="mw-page-title-main">Albiorix (moon)</span> Moon of Saturn

Albiorix is a prograde irregular satellite of Saturn. It was discovered by Holman and colleagues in 2000, and given the temporary designation S/2000 S 11.

<span class="mw-page-title-main">Erriapus</span> Moon of Saturn

Erriapus, or Saturn XXVIII (28), is a prograde irregular satellite of Saturn. It was discovered by Brett Gladman, John J. Kavelaars and colleagues in 2000, and given the temporary designation S/2000 S 10. It was named Erriapo in August 2003 after Erriapus, a giant in Gaulish mythology; the name was changed from dative Erriapo to nominative Erriapus per IAU conventions in late 2007.

<span class="mw-page-title-main">Siarnaq</span> Moon of Saturn

Siarnaq, also designated Saturn XXIX, is the second-largest irregular moon of Saturn. It was discovered on 23 September 2000 by a team of astronomers led by Brett J. Gladman. It was named after the Inuit goddess of the sea, Siarnaq, who is more commonly known as Sedna. Siarnaq is the largest member of Saturn's Inuit group of prograde irregular moons, which orbit far from Saturn in the same direction as the planet's rotation. The moons of the Inuit group are believed to have originated as fragments from the collisional breakup of a larger progenitor moon after it was gravitationally captured into orbit around Saturn several billion years ago. Several other small Inuit group moons share similar orbits to Siarnaq, indicating that the moon had experienced another collision after forming from its progenitor.

<span class="mw-page-title-main">Tarvos (moon)</span> Moon of Saturn

Tarvos, or Saturn XXI, is a prograde irregular satellite of Saturn. It was discovered by John J. Kavelaars et al. on September 23, 2000, and given the temporary designation S/2000 S 4. The name, given in August 2003, is after Tarvos, a deity depicted as a bull god carrying three cranes alongside its back from Gaulish mythology.

<span class="mw-page-title-main">Ymir (moon)</span> Moon of Saturn

Ymir, or Saturn XIX, is the second-largest retrograde irregular moon of Saturn. It was discovered by Brett J. Gladman, et al. in 2000, and given the temporary designation S/2000 S 1. It was named in August 2003 after Ymir, who in Norse mythology is the ancestor of all the Jotuns or frost giants.

Dia, also known as Jupiter LIII, is a prograde irregular satellite of Jupiter. Provisionally known as S/2000 J 11, it received its name on March 7, 2015. It is named after Dia, daughter of Deioneus, wife of Ixion. According to Homer, she was seduced by Zeus in stallion form; Pirithous was the issue.

<span class="mw-page-title-main">Helike (moon)</span>

Helike, also known as Jupiter XLV, is a moon of Jupiter. It was discovered by a team of astronomers from the University of Hawaii led by Scott S. Sheppard in 2003, and given the temporary designation S/2003 J 6.

Herse, or Jupiter L, previously known by its provisional designation of S/2003 J 17, is a natural satellite of Jupiter. It was discovered on 8 February 2003 by the astronomers Brett J. Gladman, John J. Kavelaars, Jean-Marc Petit, and Lynne Allen and also by a team of astronomers at the University of Hawaii. It was named after Herse 'dew', by some accounts a daughter of Zeus and Selene the moon in Greek mythology, on 11 November 2009. Ersa is also named for the same mythological figure.

<span class="mw-page-title-main">Carpo (moon)</span> Outer moon of Jupiter

Carpo, also Jupiter XLVI, is a small outer natural satellite of Jupiter. It was discovered by a team of astronomers from the University of Hawaii led by Scott S. Sheppard in 2003, and was provisionally designated as S/2003 J 20 until it received its name in early 2005. It was named in March 2005 after Carpo, one of the Horae, and a daughter of Zeus (Jupiter).

Thelxinoe, also known as Jupiter XLII, is a natural satellite of Jupiter. It was discovered by a team of astronomers from the University of Hawaii led by Scott S. Sheppard in 2004 from pictures taken in 2003, and originally received the temporary designation S/2003 J 22.

Fenrir, or Saturn XLI, is a natural satellite of Saturn. Its discovery was announced by Scott S. Sheppard, David C. Jewitt, Jan Kleyna, and Brian G. Marsden on May 4, 2005, from observations taken between December 13, 2004, and March 5, 2005. Fenrir has an apparent magnitude of 25, making it one of the faintest known moons in the Solar System, and was discovered using some of the largest telescopes in the world. It is even too dark to have been observed by the Cassini spacecraft when it was in orbit around Saturn, for which it never got brighter than approximately 17th apparent magnitude. Fenrir was named after Fenrisulfr, a giant wolf from Norse mythology, father of Hati and Skoll, son of Loki, destined to break its bonds for Ragnarök.

<span class="mw-page-title-main">Hati (moon)</span> Moon of Saturn

Hati or Saturn XLIII is a natural satellite of Saturn. Its discovery was announced by Scott S. Sheppard, David C. Jewitt, Jan Kleyna, and Brian G. Marsden on 4 May 2005, from observations taken between 12 December 2004 and 11 March 2005.

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  123. Marsden, Brian G.; S/2003 J 13, MPEC 2003-G09 (April 2, 2003)
  124. Marsden, Brian G.; S/2003 J 14, MPEC 2003-G10 (April 3, 2003)
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