981 Martina
Discovery | |
---|---|
Discovered by | Sergei Belyavsky |
Discovery site | Simeis |
Discovery date | 23 September 1917 |
Designations | |
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° | |
Earth MOID | 1.4568 AU (217.93 Gm) |
Jupiter MOID | 1.68275 AU (251.736 Gm) |
Jupiter Tisserand parameter | 3.190 |
Physical characteristics | |
Mean radius | ±0.85 14.435km |
11.267 h (0.4695 d) | |
±0.016 0.1254 | |
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
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