1817 Katanga
1817 Katanga, provisional designation 1939 MB, is a stony Phocaea asteroid in from the inner regions of the asteroid belt, approximately 16 kilometers in diameter. It was discovered on 20 June 1939, by English-born South African astronomer Cyril Jackson at Johannesburg Observatory in South Africa. It is named for the Katanga Province.
| Discovery | |
|---|---|
| Discovered by | C. Jackson |
| Discovery site | Johannesburg Obs. |
| Discovery date | 20 June 1939 |
| Designations | |
MPC designation | (1817) Katanga |
Named after | Katanga Province (Congo, Dem. Rep.) |
Alternative designations | 1939 MB · 1928 KD 1950 NK · 1971 BG |
Minor planet category | main-belt · Phocaea |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 77.58 yr (28,337 days) |
| Aphelion | 2.8258 AU |
| Perihelion | 1.9172 AU |
Semi-major axis | 2.3715 AU |
| Eccentricity | 0.1916 |
Orbital period (sidereal) | 3.65 yr (1,334 days) |
Mean anomaly | 173.17° |
Mean motion | 0° 16m 11.64s / day |
| Inclination | 25.709° |
Longitude of ascending node | 88.723° |
| 140.27° | |
| Physical characteristics | |
| Dimensions | 9.76±1.21 km 15.89±1.56 km 15.90±1.0 km (IRAS:14) 16.28 km (derived) |
Synodic rotation period | 6.35±0.02 h 7.2165±0.0003 h 8.481±0.003 h |
| 0.1331±0.018 (IRAS:14) 0.2421 (derived) 0.342±0.151 0.353±0.089 | |
| S | |
| 10.78 · 11.1 · 11.80 · | |
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.