1298 Nocturna

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1298 Nocturna
Discovery [1]
Discovered by K. Reinmuth
Discovery site Heidelberg Obs.
Discovery date7 January 1934
Designations
(1298) Nocturna
Pronunciation /nɒkˈtɜːrnə/ [2]
Named after
 nocturnus [3]
(Lat. nocturnal; nightly)
1934 AE ·A904 RA
main-belt  ·(outer) [4]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc 112.66 yr (41,149 days)
Aphelion 3.5931 AU
Perihelion 2.6577 AU
3.1254 AU
Eccentricity 0.1496
5.53 yr (2,018 days)
151.34°
0° 10m 42.24s / day
Inclination 5.4892°
299.99°
58.719°
Physical characteristics
Dimensions37.80±0.73 km [5]
37.802±0.727 km [5]
39.93 km (derived) [4]
40.04±2.0 km [6]
41.09±13.75 km [7]
42.79±0.88 km [8]
44.62±12.27 km [9]
34.80±0.07 h [10]
0.04±0.02 [9]
0.04±0.03 [7]
0.0441 (derived) [4]
0.051±0.002 [8]
0.054±0.010 [5]
0.0578±0.006 [6]
X [11]  · C [4]
10.70 [6] [8]  ·10.90 [5]  ·11.00 [1] [4] [7]  ·11.03 [9]  ·11.16±0.32 [11]

    1298 Nocturna, provisional designation 1934 AE, is a dark asteroid from the outer regions of the asteroid belt, approximately 40 kilometers in diameter. It was discovered on 7 January 1934, by German astronomer Karl Reinmuth at the Heidelberg Observatory in southwest Germany. [12] The asteroid's name is the Feminine adjective of nocturnus, "nightly". [3]

    Contents

    Orbit and classification

    Nocturna is a non-family asteroid of the main belt's background population. It orbits the Sun in the outer asteroid belt at a distance of 2.7–3.6  AU once every 5 years and 6 months (2,018 days). Its orbit has an eccentricity of 0.15 and an inclination of 5° with respect to the ecliptic. [1]

    The asteroid was first identified as A904 RA at Heidelberg in September 1904. The body's observation arc begins 30 years later, with its official discovery observation at Heidelberg in 1934. [12]

    Physical characteristics

    Nocturna has been characterized as an X-type asteroid by PanSTARRS photometric survey. [11] It is also an assumed carbonaceous C-type asteroid. [4]

    Rotation period

    In February 2006, a rotational lightcurve of Nocturna was obtained from photometric observations by French amateur astronomer René Roy. Lightcurve analysis gave a rotation period of 34.80 hours with a brightness amplitude of 0.11 magnitude ( U=2 ). [10] Nocturna has a longer-than-average period, as most asteroids rotate within less than 20 hours once around their axis.

    Diameter and albedo

    According to the surveys carried out by the Infrared Astronomical Satellite IRAS, the Japanese Akari satellite and the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Nocturna measures between 37.80 and 44.62 kilometers in diameter and its surface has an albedo between 0.04 and 0.0578. [5] [6] [7] [8] [9]

    The Collaborative Asteroid Lightcurve Link derives an albedo of 0.0441 and a diameter of 39.93 kilometers based on an absolute magnitude of 11.0. [4]

    Naming

    This minor planet was named "Nocturna" after the feminine adjective of nocturnus which means "nightly". The name was proposed by German astronomer Gustave Stracke after whom an entire sequence of asteroids, (1227) to (1234), had been named indirectly. The official naming citation was mentioned in The Names of the Minor Planets by Paul Herget in 1955 ( H 119 ). [3]

    Related Research Articles

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    <span class="mw-page-title-main">1165 Imprinetta</span> Carbonaceous Meliboean asteroid

    1165 Imprinetta, provisional designation 1930 HM, is a carbonaceous Meliboean asteroid from the outer regions of the asteroid belt, approximately 49 kilometers (30 mi) in diameter. It was discovered on 24 April 1930 by Dutch astronomer Hendrik van Gent at the Union Observatory in Johannesburg, South Africa. The asteroid was named after Imprinetta Gent, wife of the discoverer.

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    1308 Halleria, provisional designation 1931 EB, is a carbonaceous Charis asteroid from the outer regions of the asteroid belt, approximately 43 kilometers in diameter. It was discovered on 12 March 1931, by German astronomer Karl Reinmuth at the Heidelberg-Königstuhl State Observatory. The asteroid was named after Albrecht von Haller a Swiss physician, botanist and poet.

    1409 Isko, provisional designation 1937 AK, is a carbonaceous background asteroid from the central regions of the asteroid belt, approximately 35 kilometers in diameter. It was discovered on 8 January 1937, by astronomer Karl Reinmuth at the Heidelberg-Königstuhl State Observatory in southwest Germany. The asteroid was named after Ise Koch, wife of astronomer Fritz Kubach.

    1264 Letaba, provisional designation 1933 HG, is a carbonaceous asteroid and possible tumbler from the background population of the outer asteroid belt, approximately 70 kilometers in diameter. It was discovered on 21 April 1933, by South African astronomer Cyril Jackson at the Union Observatory in Johannesburg. The asteroid was named for the Letaba River in eastern South Africa.

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    <span class="mw-page-title-main">4547 Massachusetts</span> Dark background asteroid from the central regions of the asteroid belt

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    2043 Ortutay, provisional designation 1936 TH, is a dark asteroid from the outer regions of the asteroid belt, approximately 45 kilometers in diameter. The asteroid was discovered by Hungarian astronomer György Kulin at the Konkoly Observatory, Budapest, on 12 November 1936. It was named after Hungarian ethnographer Gyula Ortutay.

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    1646 Rosseland, provisional designation 1939 BG, is a stony asteroid from the inner regions of the asteroid belt, approximately 12 kilometers in diameter. It was discovered on 19 January 1939, by Finnish astronomer Yrjö Väisälä at Turku Observatory in Southwest Finland. It was later named after Norwegian astrophysicist Svein Rosseland.

    1258 Sicilia, provisional designation 1932 PG, is a dark background asteroid from the outer regions of the asteroid belt, approximately 44 kilometers in diameter. It was discovered on 8 August 1932, by astronomer Karl Reinmuth at the Heidelberg-Königstuhl State Observatory in southwest Germany. The asteroid was named after the Italian island of Sicily.

    1323 Tugela, provisional designation 1934 LD, is a dark background asteroid from the outer regions of the asteroid belt, approximately 60 kilometers in diameter. It was discovered on 19 May 1934, by South African astronomer Cyril Jackson at the Union Observatory in Johannesburg. The asteroid was named for the Tugela River in western South Africa.

    1585 Union, provisional designation 1947 RG, is a dark background asteroid from the outer regions of the asteroid belt, approximately 52 kilometers in diameter. It was discovered on 7 September 1947, by South African astronomer Ernest Johnson at the Union Observatory in Johannesburg, South Africa. The asteroid was named after the discovering observatory.

    1257 Móra, provisional designation 1932 PE, is an asteroid from the inner regions of the asteroid belt, approximately 15 kilometers in diameter. It was discovered on 8 August 1932, by German astronomer Karl Reinmuth at Heidelberg Observatory in southwest Germany. The asteroid was named after Hungarian astronomer Károly Móra.

    References

    1. 1 2 3 4 "JPL Small-Body Database Browser: 1298 Nocturna (1934 AE)" (2017-05-06 last obs.). Jet Propulsion Laboratory . Retrieved 14 September 2017.
    2. ↑ "nocturnal" . Oxford English Dictionary (Online ed.). Oxford University Press.(Subscription or participating institution membership required.)
    3. 1 2 3 Schmadel, Lutz D. (2007). "(1298) Nocturna". Dictionary of Minor Planet Names – (1298) Nocturna. Springer Berlin Heidelberg. p. 107. doi:10.1007/978-3-540-29925-7_1299. ISBN   978-3-540-00238-3.
    4. 1 2 3 4 5 6 7 "LCDB Data for (1298) Nocturna". Asteroid Lightcurve Database (LCDB). Retrieved 14 September 2017.
    5. 1 2 3 4 5 Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; Nugent, C.; et al. (November 2012). "Preliminary Analysis of WISE/NEOWISE 3-Band Cryogenic and Post-cryogenic Observations of Main Belt Asteroids". The Astrophysical Journal Letters. 759 (1): 5. arXiv: 1209.5794 . Bibcode:2012ApJ...759L...8M. doi:10.1088/2041-8205/759/1/L8. S2CID   46350317 . Retrieved 14 September 2017.
    6. 1 2 3 4 Tedesco, E. F.; Noah, P. V.; Noah, M.; Price, S. D. (October 2004). "IRAS Minor Planet Survey V6.0". NASA Planetary Data System. 12: IRAS-A-FPA-3-RDR-IMPS-V6.0. Bibcode:2004PDSS...12.....T . Retrieved 22 October 2019.
    7. 1 2 3 4 Nugent, C. R.; Mainzer, A.; Masiero, J.; Bauer, J.; Cutri, R. M.; Grav, T.; et al. (December 2015). "NEOWISE Reactivation Mission Year One: Preliminary Asteroid Diameters and Albedos". The Astrophysical Journal. 814 (2): 13. arXiv: 1509.02522 . Bibcode:2015ApJ...814..117N. doi:10.1088/0004-637X/814/2/117. S2CID   9341381 . Retrieved 14 September 2017.
    8. 1 2 3 4 Usui, Fumihiko; Kuroda, Daisuke; Müller, Thomas G.; Hasegawa, Sunao; Ishiguro, Masateru; Ootsubo, Takafumi; et al. (October 2011). "Asteroid Catalog Using Akari: AKARI/IRC Mid-Infrared Asteroid Survey". Publications of the Astronomical Society of Japan. 63 (5): 1117–1138. Bibcode:2011PASJ...63.1117U. doi: 10.1093/pasj/63.5.1117 . (online, AcuA catalog p. 153)
    9. 1 2 3 4 Nugent, C. R.; Mainzer, A.; Bauer, J.; Cutri, R. M.; Kramer, E. A.; Grav, T.; et al. (September 2016). "NEOWISE Reactivation Mission Year Two: Asteroid Diameters and Albedos". The Astronomical Journal. 152 (3): 12. arXiv: 1606.08923 . Bibcode:2016AJ....152...63N. doi: 10.3847/0004-6256/152/3/63 .
    10. 1 2 Behrend, Raoul. "Asteroids and comets rotation curves – (1298) Nocturna". Geneva Observatory . Retrieved 14 September 2017.
    11. 1 2 3 Veres, Peter; Jedicke, Robert; Fitzsimmons, Alan; Denneau, Larry; Granvik, Mikael; Bolin, Bryce; et al. (November 2015). "Absolute magnitudes and slope parameters for 250,000 asteroids observed by Pan-STARRS PS1 - Preliminary results". Icarus. 261: 34–47. arXiv: 1506.00762 . Bibcode:2015Icar..261...34V. doi:10.1016/j.icarus.2015.08.007. S2CID   53493339 . Retrieved 14 September 2017.
    12. 1 2 "1298 Nocturna (1934 AE)". Minor Planet Center. Retrieved 14 September 2017.
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