1013 Tombecka
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1013 Tombecka (prov. designation: A924 BL or 1924 PQ) is a metallic Mitidika asteroid from the central regions of the asteroid belt, approximately 34 kilometers in diameter. It was discovered on 17 January 1924, by Russian-French astronomer Benjamin Jekhowsky at the Algiers Observatory in North Africa.[16] The asteroid was named after the secretary of the Faculty of Sciences of Paris, D. Tombecka.[2]
Quick Facts Discovery, Discovered by ...
Discovery[1] | |
---|---|
Discovered by | B. Jekhovsky |
Discovery site | Algiers Obs. |
Discovery date | 17 January 1924 |
Designations | |
(1013) Tombecka | |
Named after | D. Tombeck[2] (Faculty of Sciences of Paris)[2] |
1924 PQ · 1953 TP3 1962 VK · A905 UG A907 GW · A924 BL | |
main-belt · (middle) Mitidika[3] · Eunomia[4] | |
Orbital characteristics[1] | |
Epoch 4 September 2017 (JD 2458000.5) | |
Uncertainty parameter 0 | |
Observation arc | 111.69 yr (40,795 days) |
Aphelion | 3.2444 AU |
Perihelion | 2.1230 AU |
2.6837 AU | |
Eccentricity | 0.2089 |
4.40 yr (1,606 days) | |
95.024° | |
0° 13m 27.12s / day | |
Inclination | 11.901° |
27.248° | |
99.992° | |
Physical characteristics | |
Dimensions | 31.93±1.5 km[5] 34.057±0.434 km[6] 34.28±0.62 km[7] 34.613±0.290 km[8] 34.62±10.20 km[9] 35.18±2.24[10] 36.62±0.58 km[11] |
Mass | (0.17±1.43)×1018 kg[10] |
Mean density | 7.50 g/cm3[10] (no porosity) |
6.0 h[12] 6.050±0.001 h[lower-alpha 1] 6.05017 h[lower-alpha 2] 6.0508±0.0001 h[13] 6.053±0.002 h[14] | |
0.120±0.005[11] 0.13±0.13[9] 0.132±0.014[8] 0.135±0.016[7] 0.1386±0.0321[6] 0.1552±0.016[5] | |
Tholen = XSC[1][4] M[6] · Xk[10] B–V = 0.755[1] U–B = 0.370[1] | |
10.12[1][4][5][6][7][11] · 10.30[9] · 10.52±1.05[15] | |
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