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 | |
| (8900) AAVSO | |
Named after | AAVSO (American Association of Variable Star Observers) |
| 1995 UD2 · 1979 UV 1987 SX16 · 1989 EU2 | |
| 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 |
| 2.5364 AU | |
| Eccentricity | 0.1461 |
| 4.04 yr (1,475 days) | |
| 184.05° | |
| 0° 14m 38.4s / day | |
| Inclination | 8.7319° |
| 232.25° | |
| 99.711° | |
| Physical characteristics | |
| Dimensions | 5.28 km (calculated) 5.792±0.320 km |
| 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 | |
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