5481 Kiuchi
| Discovery | |
|---|---|
| Discovered by | K. Endate K. Watanabe |
| Discovery site | Kitami Obs. |
| Discovery date | 15 February 1990 |
| Designations | |
| (5481) Kiuchi | |
Named after | Tsuruhiko Kiuchi (Japanese amateur astronomer) |
| 1990 CH · 1970 SR | |
| main-belt · Vesta | |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 46.14 yr (16,851 days) |
| Aphelion | 2.4858 AU |
| Perihelion | 2.1936 AU |
| 2.3397 AU | |
| Eccentricity | 0.0624 |
| 3.58 yr (1,307 days) | |
| 194.33° | |
| 0° 16m 31.44s / day | |
| Inclination | 5.9569° |
| 326.10° | |
| 250.69° | |
| Known satellites | 1 (Ds/Dp 0.33, P: 20.90 h) |
| Physical characteristics | |
| 3.86 km (calculated) | |
| 3.6196±0.0002 h | |
| 0.40 (assumed) | |
| V | |
| 12.98±0.1 (R) · 13.4 · 13.676±0.062 · 13.73±0.29 | |
5481 Kiuchi, provisional designation 1990 CH, is a bright binary Vestian asteroid from the inner regions of the asteroid belt, approximately 4 kilometers (2.5 miles) in diameter. It was discovered on 15 February 1990, by Japanese astronomers Kin Endate and Kazuro Watanabe at Kitami Observatory in Hokkaidō, Japan, and named after their colleague Tsuruhiko Kiuchi. The V-type asteroid has a rotation period of 3.6 hours.