Discovery[1] | |
---|---|
Discovered by | E. Delporte |
Discovery site | Uccle Obs. |
Discovery date | 29 September 1930 |
Designations | |
(1170) Siva | |
Named after | Shiva (Hindu deity)[2] |
1930 SQ | |
Mars-crosser[3][4] Phocaea[5] | |
Orbital characteristics[1] | |
Epoch 16 February 2017 (JD 2457800.5) | |
Uncertainty parameter 0 | |
Observation arc | 85.19 yr (31,116 days) |
Aphelion | 3.0245 AU |
Perihelion | 1.6291 AU |
2.3268 AU | |
Eccentricity | 0.2998 |
3.55 yr (1,296 days) | |
94.741° | |
0° 16m 39.72s / day | |
Inclination | 22.184° |
0.9218° | |
59.391° | |
Earth MOID | 0.7263 AU |
Mars MOID | 0.3760 AU |
Physical characteristics | |
Dimensions | 7.68±2.18 km[6] 10.37±0.8 km (IRAS:2)[7] 12.13±0.89 km[8] |
3.5 h[9] 4.98 h[a] 5.22±0.01 h[10] | |
0.128±0.020[8] 0.1751±0.032 (IRAS:2)[7] 0.40±0.16[6] | |
B–V = 0.864[1] U–B = 0.452[1] Tholen = S[1] · S[3][11] | |
12.00[11] · 12.18[6] · 12.43[1][3][7][8] | |
1170 Siva, provisional designation 1930 SQ, is a stony Phocaea asteroid and large Mars-crosser from the innermost regions of the asteroid belt, approximately 10 kilometers in diameter. It was discovered on 29 September 1930, by Belgian astronomer Eugène Delporte at Uccle Observatory in Belgium, and later named after the Hindu deity Shiva.[2][4]
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