4951 Iwamoto
| Discovery [1] | |
|---|---|
| Discovered by | Y. Mizuno, T. Furuta |
| Discovery site | Kani Observatory (403) |
| Discovery date | 21 January 1990 |
| Designations | |
| MPC designation | 4951 Iwamoto |
Named after | Masayuki Iwamoto |
|
1990 BM; 1931 UQ 1985 QN6; 1985 RH5 1989 WS3 | |
| main-belt | |
| Orbital characteristics [1] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 30563 days (83.68 yr) |
| Aphelion | 2.6321 AU (393.76 Gm) |
| Perihelion | 1.8820 AU (281.54 Gm) |
| 2.2570 AU (337.64 Gm) | |
| Eccentricity | 0.16617 |
| 3.39 yr (1238.5 d) | |
| 264.75° | |
| 0° 17m 26.412s / day | |
| Inclination | 7.5272° |
| 101.09° | |
| 339.87° | |
| Earth MOID | 0.899303 AU (134.5338 Gm) |
| Jupiter MOID | 2.59975 AU (388.917 Gm) |
| Jupiter Tisserand parameter | 3.593 |
| Physical characteristics | |
| 118.0 h (4.92 d) | |
| S (SMASSII) | |
| 13.3 | |
|
| |
4951 Iwamoto (1990 BM) is a main-belt binary asteroid discovered on January 21, 1990 by Yoshikane Mizuno and Toshimasa Furuta at Kani Observatory (403). A 3.34 km moon was discovered orbiting the asteroid at a distance of 31 kilometers, and an orbital period of 4 days and 22 hours.[2]
References
- 1 2 "JPL Small-Body Database Browser: 4951 Iwamoto (1990 BM)" (2015-06-21 last obs.). Jet Propulsion Laboratory. Retrieved 13 April 2016.
- ↑ Johnston, Robert. "(4951) Iwamoto". johnstonsarchive.net. Retrieved 28 May 2015.
- Durkee, R., Colas, F., Harris, A. 2007 (4951) Iwamoto. International Astronomical Union Circular 8836, 2
External links
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