981 Martina

From Wikipedia, the free encyclopedia
Jump to: navigation, search
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
14.435±0.85 km
11.267 h (0.4695 d)
0.1254±0.016
10.57

981 Martina is a Themistian asteroid.

References[edit]

External links[edit]