Back 6247 Amanogawa (كويكب) ARZ (6247) Amanogawa CE 6247 Amanogawa Esperanto (6247) Amanogawa Spanish سیارک ۶۲۴۷ Persian (6247) Amanogawa French 6247 Amanogawa Hungarian (6247) Ամանոգավա Armenian 6247 Amanogawa Italian 6247 Amanogawa Latin
| Discovery [1] | |
|---|---|
| Discovered by | K. Endate K. Watanabe |
| Discovery site | Kitami Obs. |
| Discovery date | 21 November 1990 |
| Designations | |
| (6247) Amanogawa | |
Named after | Amanogawa River [1] (Japanese river) |
| 1990 WY3 · 1992 FR1 | |
| main-belt [1][2] · (inner) background [3] | |
| Orbital characteristics [2] | |
| Epoch 23 March 2018 (JD 2458200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 27.45 yr (10,025 d) |
| Aphelion | 2.5286 AU |
| Perihelion | 2.2604 AU |
| 2.3945 AU | |
| Eccentricity | 0.0560 |
| 3.71 yr (1,353 d) | |
| 168.98° | |
| 0° 15m 57.6s / day | |
| Inclination | 8.5728° |
| 105.57° | |
| 287.33° | |
| Physical characteristics | |
| 6.722±0.098 km[4][5] 11.63 km (calculated)[6] | |
| 12.369±0.0107 h[7] 12.38±0.02 h[8] | |
| 0.057 (assumed)[6] 0.165±0.018[4][5] | |
| C (assumed)[6] X (SDSS-MOC)[9] | |
| 13.2[5] 13.288±0.006 (R)[7] 13.3[2] 13.4[6] | |
6247 Amanogawa, provisional designation 1990 WY3, is a background asteroid from the inner regions of the asteroid belt, approximately 7 kilometers (4 miles) in diameter. It was discovered on 21 November 1990, by Japanese amateur astronomers Kin Endate and Kazuro Watanabe at the Kitami Observatory.[1] The X-type asteroid has a rotation period of 12.38 hours.[6] It was named after the Amanogawa River on the island of Hokkaido, Japan.[1]
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