5357 Sekiguchi
Shape model of Sekiguchi from its lightcurve | |
| Discovery | |
|---|---|
| Discovered by | T. Fujii K. Watanabe |
| Discovery site | Kitami Obs. |
| Discovery date | 2 March 1992 |
| Designations | |
| (5357) Sekiguchi | |
Named after | Tomohiko Sekiguch (Japanese astronomer) |
| 1992 EL · 1969 TB4 1971 BE3 · 1981 BH 1990 VJ4 · 1990 WU13 | |
| main-belt · (outer) Eos | |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 67.13 yr (24,518 days) |
| Aphelion | 3.2966 AU |
| Perihelion | 2.6794 AU |
| 2.9880 AU | |
| Eccentricity | 0.1033 |
| 5.17 yr (1,887 days) | |
| 75.618° | |
| 0° 11m 26.88s / day | |
| Inclination | 9.0838° |
| 301.97° | |
| 116.81° | |
| Physical characteristics | |
| 13.948±0.118 km 14.281±0.193 km 14.52±0.65 km 15.19±1.13 km | |
| 5.4048±0.0011 h 5.4100±0.0011 h 5.41±0.01 h | |
| 0.192±0.032 0.334±0.052 0.3829±0.0259 | |
| C | |
| 10.9 · 11.60 · 11.624±0.002 (R) · 11.7 · 11.719±0.003 (R) | |
5357 Sekiguchi (prov. designation: 1992 EL) is an Eos asteroid from the outer region of the asteroid belt, approximately 15 kilometers (9 miles) in diameter. It was discovered on 2 March 1992, by Japanese amateur astronomers Tetsuya Fujii and Kazuro Watanabe at the Kitami Observatory in eastern Hokkaidō, Japan. The asteroid was later named after Japanese astronomer Tomohiko Sekiguch.