Global Information1145 Robelmonte information
| Discovery[1] | |
|---|---|
| Discovered by | E. Delporte |
| Discovery site | Uccle Obs. |
| Discovery date | 3 February 1929 |
| Designations | |
MPC designation | (1145) Robelmonte |
Named after | Robelmont[2] (birthplace of Sylvain Arend) |
Alternative designations | 1929 CC · A915 RN |
Minor planet category | main-belt · Vestian[3][4] |
| Orbital characteristics[1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 86.87 yr (31,730 days) |
| Aphelion | 2.7112 AU |
| Perihelion | 2.1363 AU |
Semi-major axis | 2.4238 AU |
| Eccentricity | 0.1186 |
Orbital period (sidereal) | 3.77 yr (1,378 days) |
Mean anomaly | 68.012° |
Mean motion | 0° 15m 40.32s / day |
| Inclination | 6.2071° |
Longitude of ascending node | 346.82° |
Argument of perihelion | 267.51° |
| Physical characteristics | |
| Dimensions | 18.85±5.08 km[5] 19.13±5.00 km[6] 22.23±0.39 km[7] 23.16 km (derived)[3] 24.029±0.129 km[7] 24.07±0.37 km[8] 24.757±0.541 km[9] |
Synodic rotation period | 7.582±0.0027 h[10] 8.002±0.002 h[11] 9.01±0.01 h[12] 21 h[13] |
Geometric albedo | 0.0994 (derived)[3] 0.1046±0.0175[9] 0.108±0.020[7] 0.113±0.004[8] 0.128±0.006[14] 0.15±0.09[6] 0.16±0.08[5] |
Spectral type | S[3] |
Absolute magnitude (H) | 11.10[8][9] · 11.157±0.001 (R)[10] · 11.30[3][5][7] · 11.37±0.27[15] · 11.4[1] · 11.44[6] |
1145 Robelmonte, provisional designation 1929 CC, is a Vestian asteroid from the inner regions of the asteroid belt, approximately 23 kilometers in diameter.
It was discovered on 3 February 1929, by Belgian astronomer Eugène Delporte at the Royal Observatory of Belgium in Uccle.[16] Through a glitch in the naming process, the asteroid received the name "Robelmonte" instead of "Mimi" as originally intended by the discoverer.[2]
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