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1203 Nanna

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1203 Nanna
Discovery [1]
Discovered byM. Wolf
Discovery siteHeidelberg Obs.
Discovery date5 October 1931
Designations
1203 Nanna
Named after
Anna Risi
(model of painter)
Anselm Feuerbach[2]
1931 TA · 1926 RH
1978 AD
main-belt · (outer)[3]
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc89.54 yr (32703 days)
Aphelion3.6022 AU (538.88 Gm)
Perihelion2.1782 AU (325.85 Gm)
2.8902 AU (432.37 Gm)
Eccentricity0.24635
4.91 yr (1794.7 d)
97.470°
0° 12m 2.124s / day
Inclination5.9598°
224.68°
176.03°
Earth MOID1.18505 AU (177.281 Gm)
Jupiter MOID1.81843 AU (272.033 Gm)
TJupiter3.237
Physical characteristics
Dimensions35.18 km[4]
32.59±0.87 km[5]
35.92±15.13 km[6]
35.08 km (derived)[3]
17.59±1.95 km
18.54 h (0.773 d)[1][7]
15.6±0.1 h[8]
25.80±0.05 h[9]
0.0473[4]
0.056±0.004[5]
0.028±0.017[6]
0.0329 (derived)[3]
0.0473±0.012[1]
C[3]
11.7

1203 Nanna, provisional designation 1931 TA, is a dark and eccentric asteroid from the outer region of the asteroid belt, about 35 kilometers in diameter. It was discovered by German astronomer Max Wolf at Heidelberg Observatory on 5 October 1931.[10]

The carbonaceous C-type asteroid orbits the Sun at a distance of 2.2–3.6 AU once every 4 years and 11 months (1,792 days). Its orbit shows an eccentricity of 0.25 and is tilted by 6 degrees to the plane of the ecliptic. It has a rotation period of about 18 hours[7] and an albedo in the range of 0.03–0.06, according to the surveys carried out by IRAS, Akari, and WISE/NEOWISE.[4][5][6]

The minor planet was named after Anna Risi, a model in several paintings by German classicist painter Anselm Feuerbach. [2]

References

  1. ^ a b c d "JPL Small-Body Database Browser: 1203 Nanna (1931 TA)" (2015-10-11 last obs.). Jet Propulsion Laboratory. Retrieved 30 April 2016.
  2. ^ a b Schmadel, Lutz D. (2003). Dictionary of Minor Planet Names – (1203) Nanna. Springer Berlin Heidelberg. pp. 100–101. ISBN 978-3-540-29925-7. Retrieved 18 November 2015.
  3. ^ a b c d "LCDB Data for (1203) Nanna". Asteroid Lightcurve Database (LCDB). Retrieved 18 November 2015.
  4. ^ a b c Tedesco, E. F.; Noah, P. V.; Noah, M.; Price, S. D. (October 2004). "IRAS Minor Planet Survey V6.0". NASA Planetary Data System. Bibcode:2004PDSS...12.....T. Retrieved 18 November 2015.
  5. ^ a b c 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. Retrieved 18 November 2015.
  6. ^ a b c 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. Retrieved 18 November 2015.
  7. ^ a b Warner, Brian D. (April 2011). "Upon Further Review: VI. An Examination of Previous Lightcurve Analysis from the Palmer Divide Observatory". The Minor Planet Bulletin. 38 (2): 96–101. Bibcode:2011MPBu...38...96W. ISSN 1052-8091. Retrieved 18 November 2015.
  8. ^ Behrend, Raoul. "Asteroids and comets rotation curves – (1203) Nanna". Geneva Observatory. Retrieved 18 November 2015.
  9. ^ Warner, Brian D. (January 2010). "Asteroid Lightcurve Analysis at the Palmer Divide Observatory: 2009 June-September". The Minor Planet Bulletin. 37 (1): 24–27. Bibcode:2010MPBu...37...24W. ISSN 1052-8091. Retrieved 18 November 2015.
  10. ^ "1203 Nanna (1931 TA)". Minor Planet Center. Retrieved 18 November 2015.