917 Lyka

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917 Lyka
Discovery
Discovered by G. N. Neujmin
Discovery site Simeis
Discovery date 5 September 1915
Designations
MPC designation (917) Lyka
1915 S4
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 89.63 yr (32738 days)
Aphelion 2.8603 AU (427.89 Gm)
Perihelion 1.9034 AU (284.74 Gm)
2.3819 AU (356.33 Gm)
Eccentricity 0.20087
3.68 yr (1342.7 d)
166.936°
0° 16m 5.232s / day
Inclination 5.1331°
343.460°
359.516°
Earth MOID 0.894667 AU (133.8403 Gm)
Jupiter MOID 2.53302 AU (378.934 Gm)
Jupiter Tisserand parameter 3.505
Physical characteristics
Mean radius
14.05±1.95 km
7.92 h (0.330 d)
0.0891±0.031
11.6

917 Lyka is a minor planet orbiting the Sun.

References[edit]

External links[edit]