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1993 RP is a trans-Neptunian object discovered by astronomers David Jewitt and Jane Luu at Mauna Kea Observatory on 15 September 1993. It was one of the first few trans-Neptunian objects discovered after Pluto and Charon, but it was not observed long enough to determine its orbit and ended up becoming lost for over two decades. 1993 RP was serendipitously reobserved in 2015–2016 by Edward Ashton, John Kavelaars, and Brett Gladman at Mauna Kea Observatory, but was announced as a new trans-Neptunian object under the provisional designation 2015 VR202. 2015 VR202 was not recognized to be the same object as 1993 RP until it was identified by Peter VanWylen on 14 August 2023.
(91205) 1998 US43 (provisional designation 1998 US43) is a resonant trans-Neptunian object of the plutino group, located in the Kuiper belt in the outermost region of the Solar System. The rather bluish body measures approximately 111 kilometers (69 miles) in diameter. It was discovered on 22 October 1998, by American astronomer Marc Buie at the Kitt Peak National Observatory in the United States. It is probably not a dwarf planet candidate.
(35671) 1998 SN165 (provisional designation 1998 SN165) is a trans-Neptunian object from the Kuiper belt located in the outermost region of the Solar System. It was discovered on 23 September 1998, by American astronomer Arianna Gleason at the Kitt Peak National Observatory near Tucson, Arizona. The cold classical Kuiper belt object is a dwarf planet candidate, as it measures approximately 400 kilometers (250 miles) in diameter. It has a grey-blue color (BB) and a rotation period of 8.8 hours. As of 2021, it has not been named.
(523731) 2014 OK394 (provisional designation 1995 SN55) is a trans-Neptunian object that orbits in the outer Solar System beyond the orbit of Neptune. First observed as 1995 SN55 by Spacewatch on 20 September 1995, it was a lost minor planet with an insufficiently defined orbit with only 36 days of observations. On 8 October 2010, it was rediscovered by the Pan-STARRS 1 survey and later announced as 2014 OK394 in July 2016. It was not until November 2020 when amateur astronomers S. Deen and K. Ly identified 2014 OK394 and 1995 SN55 as the same object. This identification was confirmed and announced by the Minor Planet Center in January 2021.
(82075) 2000 YW134 (provisional designation 2000 YW134) is a resonant trans-Neptunian object and binary system, located in the outermost region of the Solar System. It was discovered on 26 December 2000, by astronomers with the Spacewatch survey at Kitt Peak Observatory near Tucson, Arizona. The reddish object stays in a rare 3:8 resonance with Neptune. A smaller companion was discovered by the Hubble Space Telescope in October 2002. As of 2021, neither the primary body nor its satellite have been named.
(528381) 2008 ST291, provisional designation 2008 ST291, is a 1:6 resonant trans-Neptunian object located in the outermost region of the Solar System that takes almost a thousand years to complete an orbit around the Sun. It was discovered on 24 September 2008 by American astronomers Megan Schwamb, Michael Brown and David Rabinowitz at the Palomar Observatory in California, with no known earlier precovery images.
(445473) 2010 VZ98 (provisional designation 2010 VZ98) is a trans-Neptunian object of the scattered disc, orbiting the Sun in the outermost region of the Solar System. It has a diameter of approximately 400 kilometers.
(471288) 2011 GM27 (provisional designation 2011 GM27) is a trans-Neptunian object (TNO) in the Kuiper belt, classified as a hot classical Kuiper belt object. It was discovered on 2 April 2011, at ESO's La Silla Observatory in Chile. With an absolute magnitude of 5.32, a geometric albedo of between 0.06 to 0.09 (a typical value) would mean it has a diameter of about 450 kilometers (280 mi).
2012 VP113, also known by its nickname "Biden", is a trans-Neptunian object of the sednoid population, located in the outermost reaches of the Solar System. It was first observed on 5 November 2012 by American astronomers Scott Sheppard and Chad Trujillo at the Cerro Tololo Inter-American Observatory in Chile. The discovery was announced on 26 March 2014. The object probably measures somewhere between 300 and 1000 km in diameter, possibly large enough to be a dwarf planet.
(78799) 2002 XW93, provisional designation 2002 XW93, is a trans-Neptunian object and centaur from the outer Solar System, approximately 500–600 kilometers (300–400 mi) in diameter. It was discovered on 10 December 2002, by astronomers at the Palomar Observatory in California.
2015 RX245 is an extreme trans-Neptunian object, detached, on a highly eccentric orbit in the outermost region of the Solar System. It measures approximately 250 kilometers (160 miles) in diameter and is "possibly" a dwarf planet. It was first observed on 8 September 2015, by astronomers with Outer Solar System Origins Survey using the 3.6-meter Canada–France–Hawaii Telescope at Mauna Kea Observatories, Hawaii, in the United States.
2002 GB32, is a trans-Neptunian object from the scattered disc in the outermost region of the Solar System, approximately 122 kilometers in diameter. It was first observed on 7 April 2002, by American astronomer Marc Buie at Cerro Tololo Observatory in Chile.
2005 RH52 is an extreme trans-Neptunian object from the extended scattered disc in the outermost region of the Solar System, approximately 130 kilometers (81 miles) in diameter. It was first observed on 3 September 2005, by astronomers with the Canada–France Ecliptic Plane Survey using the Canada–France–Hawaii Telescope at the Mauna Kea Observatories in Hawaii, United States.
2013 FS28 is an extreme trans-Neptunian object from the extended scattered disc on a highly eccentric orbit in the outermost region of the Solar System. It measures approximately 466 kilometers (290 miles) in diameter. The detached, extended scattered disc object belongs to the group of extreme trans-Neptunian objects. It was first observed on 16 March 2013, by American astronomers Scott Sheppard and Chad Trujillo at the Cerro Tololo Observatory in Chile.
2013 UH15 is an extreme trans-Neptunian object from the extended scattered disc in the outermost region of the Solar System, approximately 130 kilometers (81 miles) in diameter. It was first observed on 29 October 2013, by astronomers at the Las Campanas Observatory in the southern Atacama Desert of Chile. The detached extended scattered disc object (ESDO) is on a highly eccentric orbit and belongs to the extreme trans-Neptunian objects.
(523759) 2014 WK509 (provisional designation 2014 WK509) is a trans-Neptunian object in the scattered disc, located in the outermost regions of the Solar System. It was discovered on 14 September 2010, by Pan-STARRS at Haleakala Observatory on the island of Maui, Hawaii, in the United States. The object's diameter has been estimated to measure approximately 600 kilometers.
(543354) 2014 AN55 (provisional designation 2014 AN55) is a trans-Neptunian object in the scattered disc, located in the outermost region of the Solar System, that measures approximately 600 kilometres (370 mi) in diameter. It was discovered on 25 January 2014, by astronomers with the Pan-STARRS survey at Haleakala Observatory on the island of Maui, Hawaii, in the United States.
2015 BP519, nicknamed Caju, is an extreme trans-Neptunian object from the scattered disc on a highly eccentric and inclined orbit in the outermost region of the Solar System. It was first observed on 17 January 2015, by astronomers with the Dark Energy Survey at Cerro Tololo Observatory (W84) in Chile. It has been described as an extended scattered disc object (ESDO), and fits into the group of extreme objects that led to the prediction of Planet Nine, and has the highest orbital inclination of any of these objects.
2017 OF69 is a resonant trans-Neptunian object from the Kuiper belt, located in the outermost region of the Solar System in the Kuiper belt's plutino population and measures approximately 533 kilometers (330 miles) in diameter. It was first observed on 26 July 2017, by American astronomers David Tholen, Scott Sheppard, and Chad Trujillo at Mauna Kea Observatories in Hawaii, but not announced until 31 May 2018 due to observations made in April and May 2018 refining its orbit significantly.
(495603) 2015 AM281 (provisional designation 2015 AM281) is a resonant trans-Neptunian object in the outermost region of the Solar System, guesstimated at approximately 470 kilometers (290 miles) in diameter. It was discovered on 13 March 2010, by astronomers with the Pan-STARRS survey at Haleakala Observatory, Hawaii, United States.
References
- ↑ "JPL Small-Body Database Browser: 33340 (1998 VG44)". NASA/Jet Propulsion Laboratory . Retrieved 5 April 2016.
