1013 Tombecka

1013 Tombecka
Lightcurve-modeled shape of Tombecka
Discovery[1]
Discovered byB. Jekhovsky
Discovery siteAlgiers Obs.
Discovery date17 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 arc111.69 yr (40,795 days)
Aphelion3.2444 AU
Perihelion2.1230 AU
2.6837 AU
Eccentricity0.2089
4.40 yr (1,606 days)
95.024°
0° 13m 27.12s / day
Inclination11.901°
27.248°
99.992°
Physical characteristics
Dimensions31.93±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[a]
6.05017 h[b]
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]

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]

  1. ^ a b c d e f Cite error: The named reference jpldata was invoked but never defined (see the help page).
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  16. ^ Cite error: The named reference MPC-object was invoked but never defined (see the help page).


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