1137 Raïssa
| Discovery | |
|---|---|
| Discovered by | G. Neujman |
| Discovery date | 27 October 1929 |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 111.74 yr (40812 days) |
| Aphelion | 2.6607760 AU (398.04642 Gm) |
| Perihelion | 2.1868401 AU (327.14662 Gm) |
| 2.4238081 AU (362.59653 Gm) | |
| Eccentricity | 0.0977668 |
| 3.77 yr (1378.3 d) | |
| 28.128856° | |
| 0° 15m 40.284s / day | |
| Inclination | 4.315870° |
| 78.45575° | |
| 277.13829° | |
| Earth MOID | 1.18629 AU (177.466 Gm) |
| Jupiter MOID | 2.70866 AU (405.210 Gm) |
| Jupiter Tisserand parameter | 3.501 |
| Physical characteristics | |
Mean radius | 11.845±0.55 km |
| 142.79 h (5.950 d)[1] | |
| 0.1592±0.015[1] | |
| 10.6[1] | |
|
| |
1137 Raïssa is a main belt asteroid orbiting the Sun. Approximately 24 kilometers in diameter, it makes a revolution around the Sun once every 4 years. It was discovered by Grigory Neujmin on October 27, 1929.[1] It has a long 142.79 hours rotation period.[1] It is named for Raissa Ivanovna Maseeva, who computed its orbit. Its provisional designation was 1929 WB.[2]
References
- 1 2 3 4 5 6 7 "JPL Small-Body Database Browser: 1137 Raissa (1929 WB)". Retrieved 1 May 2016.
- ↑ "Pulkovo NEO Page". Retrieved October 17, 2007.
External links
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