1231 Auricula

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1231 Auricula
Discovery [1]
Discovered by K. Reinmuth
Discovery site Heidelberg Obs.
Discovery date 10 October 1931
Designations
MPC designation (1231) Auricula
Named after
Primula auricula[2]
1931 TE2
main-belt
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc 85.65 yr (31,283 days)
Aphelion 2.8988 AU
Perihelion 2.4374 AU
2.6681 AU
Eccentricity 0.0865
4.36 yr (1,592 days)
35.778°
0° 13m 34.32s / day
Inclination 11.485°
342.05°
245.40°
Physical characteristics
Dimensions 18.713±0.650[3]
22.5 km
3.9816 h (0.16590 d)
0.066±0.011[3]
0.0798±0.014
12.2[1]

1231 Auricula, provisional designation 1931 TE2, is a main-belt asteroid discovered on October 10, 1931, by Karl Wilhelm Reinmuth at Heidelberg Observatory in Germany. It measures about 23 kilometers in diameter.[1]

The asteroid was later named after auricula, a yellow flowered Alpine primrose.[2]

References[edit]

  1. ^ a b c d "JPL Small-Body Database Browser: 1231 Auricula (1931 TE2)" (2017-06-03 last obs.). Jet Propulsion Laboratory. Retrieved 15 June 2017. 
  2. ^ a b Schmadel, Lutz D. (2003). Dictionary of Minor Planet Names – (1231) Auricula. Springer Berlin Heidelberg. p. 102. ISBN 978-3-540-29925-7. Retrieved 22 August 2016. 
  3. ^ a b 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:1209.5794Freely accessible. Bibcode:2012ApJ...759L...8M. doi:10.1088/2041-8205/759/1/L8. Retrieved 14 June 2017. 

External links[edit]