1506 Xosa
1506 Xosa, provisional designation 1939 JC, is a stony asteroid and slow rotator from the middle region of the asteroid belt, approximately 13 kilometers in diameter. It was discovered on 15 May 1939, by English-born, South African astronomer Cyril Jackson at the Johannesburg Observatory in South Africa. It is named for the Xhosa people.
| Discovery | |
|---|---|
| Discovered by | C. Jackson |
| Discovery site | Johannesburg Obs. |
| Discovery date | 15 May 1939 |
| Designations | |
MPC designation | (1506) Xosa |
Named after | Xhosa people (Bantu ethnic group) |
Alternative designations | 1939 JC |
Minor planet category | main-belt · (middle) |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 77.97 yr (28,477 days) |
| Aphelion | 3.2408 AU |
| Perihelion | 1.9052 AU |
Semi-major axis | 2.5730 AU |
| Eccentricity | 0.2595 |
Orbital period (sidereal) | 4.13 yr (1,507 days) |
Mean anomaly | 338.30° |
Mean motion | 0° 14m 19.68s / day |
| Inclination | 12.550° |
Longitude of ascending node | 234.53° |
| 45.154° | |
| Physical characteristics | |
| Dimensions | 11.83 km (calculated) 13.963±0.702 km |
Synodic rotation period | 5.90±0.01 h (dated) 5.9±0.1 h (dated) 292±3 h 298.0659±5.5273 h |
| 0.157±0.037 0.20 (assumed) | |
| S | |
| 11.820±0.003 (R) · 11.90 · 12.0 | |
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