8900 AAVSO
8900 AAVSO, provisional designation 1995 UD2, is a stony background asteroid from the central region of the asteroid belt, approximately 5.5 kilometers in diameter. It was discovered by American amateur astronomer Dennis di Cicco at the U.S Sudbury Observatory (817), Massachusetts, on 24 October 1995. The asteroid was named after the American Association of Variable Star Observers (AAVSO).
| Discovery | |
|---|---|
| Discovered by | D. di Cicco |
| Discovery site | Sudbury Obs. (817) |
| Discovery date | 24 October 1995 |
| Designations | |
MPC designation | (8900) AAVSO |
Named after | AAVSO (American Association of Variable Star Observers) |
Alternative designations | 1995 UD2 · 1979 UV 1987 SX16 · 1989 EU2 |
Minor planet category | main-belt · (middle) background |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 37.37 yr (13,651 days) |
| Aphelion | 2.9070 AU |
| Perihelion | 2.1657 AU |
Semi-major axis | 2.5364 AU |
| Eccentricity | 0.1461 |
Orbital period (sidereal) | 4.04 yr (1,475 days) |
Mean anomaly | 184.05° |
Mean motion | 0° 14m 38.4s / day |
| Inclination | 8.7319° |
Longitude of ascending node | 232.25° |
| 99.711° | |
| Physical characteristics | |
| Dimensions | 5.28 km (calculated) 5.792±0.320 km |
Synodic rotation period | 3.8368±0.0005 h |
| 0.20 (assumed) 0.276±0.038 | |
| S | |
| 13.4 · 13.75 · 13.2 · 13.303±0.004 (R) · 13.84±0.28 | |
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.