981 Martina
| Discovery | |
|---|---|
| Discovered by | Sergei Belyavsky |
| Discovery site | Simeis |
| Discovery date | 23 September 1917 |
| Designations | |
| MPC designation | (981) Martina |
| 1917 S92 | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 109.41 yr (39962 days) |
| Aphelion | 3.7252 AU (557.28 Gm) |
| Perihelion | 2.4642 AU (368.64 Gm) |
| 3.0947 AU (462.96 Gm) | |
| Eccentricity | 0.20373 |
| 5.44 yr (1988.5 d) | |
| 55.353° | |
| 0° 10m 51.744s / day | |
| Inclination | 2.0657° |
| 46.082° | |
| 298.545° | |
| Physical characteristics | |
Mean radius | 14.435±0.85 km |
| 11.267 h (0.4695 d) | |
| 0.1254±0.016 | |
| 10.57 | |
|
| |
981 Martina is a Themistian asteroid.
References
- ↑ "981 Martina (1917 S92)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 2 May 2016.
External links
- 981 Martina at AstDyS-2, Asteroids—Dynamic Site
- 981 Martina at the JPL Small-Body Database
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