1031 Arctica
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1031 Arctica, provisional designation 1924 RR, is a dark asteroid from the outer region of the asteroid belt, approximately 75 kilometers in diameter. It was discovered on 6 June 1924, by Soviet−Russian astronomer Sergey Belyavsky at Simeiz Observatory on the Crimean peninsula.[13] It was named for the Arctic Sea.[2]
Quick Facts Discovery, Discovered by ...
Discovery[1] | |
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Discovered by | S. Belyavskyj |
Discovery site | Simeiz Obs. |
Discovery date | 6 June 1924 |
Designations | |
(1031) Arctica | |
Pronunciation | /ˈɑːrtɪkə/ |
Named after | Arctic Ocean[2] |
1924 RR · A910 VB A913 JA | |
main-belt · (outer)[3] | |
Orbital characteristics[1] | |
Epoch 16 February 2017 (JD 2457800.5) | |
Uncertainty parameter 0 | |
Observation arc | 92.59 yr (33,820 days) |
Aphelion | 3.2208 AU |
Perihelion | 2.8767 AU |
3.0487 AU | |
Eccentricity | 0.0564 |
5.32 yr (1,944 days) | |
242.71° | |
0° 11m 6.72s / day | |
Inclination | 17.634° |
218.92° | |
307.14° | |
Physical characteristics | |
Dimensions | 73.83±20.13 km[4] 74.78±19.68 km[5] 75.400±0.497 km[6] 75.47±1.5 km (IRAS:21)[7] 75.784±1.399 km[8] 77.28±1.05 km[9] 87.61±0.64 km[10] |
51.0 h[11] 51.0±0.5 h[12] 51±2 h[12] | |
0.035±0.004[10] 0.04±0.01[4] 0.04±0.03[5] 0.044±0.001[9] 0.0461±0.0046[8] 0.0465±0.002 (IRAS:21)[7] | |
B–V = 0.680[1] U–B = 0.325[1] Tholen = CX:[1] · CX:[3] | |
9.51[5] · 9.56[1][3][4][7][8][9][10] | |
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