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 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 84.52 yr (30872 days) |
| Aphelion | 2.9019 AU (434.12 Gm) |
| Perihelion | 2.4368 AU (364.54 Gm) |
| 2.6694 AU (399.34 Gm) | |
| Eccentricity | 0.087115 |
| 4.36 yr (1593.0 d) | |
| 305.17° | |
| 0° 13m 33.564s / day | |
| Inclination | 11.490° |
| 342.07° | |
| 245.61° | |
| Earth MOID | 1.45497 AU (217.660 Gm) |
| Jupiter MOID | 2.1551 AU (322.40 Gm) |
| Jupiter Tisserand parameter | 3.348 |
| Physical characteristics | |
| Dimensions | 22.5 km |
Mean radius | 11.26±0.9 km |
| 3.9816 h (0.16590 d) | |
| 0.0798±0.014 | |
| 12.2 | |
|
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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
- 1 2 3 "JPL Small-Body Database Browser: 1231 Auricula (1931 TE2)" (2015-09-25 last obs.). Jet Propulsion Laboratory. Retrieved 30 April 2016.
- 1 2 Schmadel, Lutz D. (2003). Dictionary of Minor Planet Names – (1231) Auricula. Springer Berlin Heidelberg. p. 102. ISBN 978-3-540-29925-7. Retrieved October 2015.
External links
- "1231 Auricula (1931 TE2)". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 2001231.
- 1231 Auricula at the JPL Small-Body Database
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