4492 Debussy
4492 Debussy (prov. designation: 1988 SH) is a dark and elongated background asteroid and binary system from the intermediate asteroid belt, approximately 15 kilometers (9.3 miles) in diameter. It was discovered on 17 September 1988, by Belgian astronomer Eric Elst at Haute-Provence Observatory in France. It was later named after French composer Claude Debussy.
Shape model of Debussy from its lightcurve | |
| Discovery | |
|---|---|
| Discovered by | E. W. Elst |
| Discovery site | Haute-Provence Obs. |
| Discovery date | 17 September 1988 |
| Designations | |
MPC designation | (4492) Debussy |
| Pronunciation | /dɛbjʊˈsiː/ etc. |
Named after | Claude Debussy (French composer) |
Alternative designations | 1988 SH · 1979 SZ10 1979 VF1 · 1981 EC |
Minor planet category | main-belt · (middle) background |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 65.65 yr (23,977 days) |
| Aphelion | 3.2631 AU |
| Perihelion | 2.2692 AU |
Semi-major axis | 2.7662 AU |
| Eccentricity | 0.1796 |
Orbital period (sidereal) | 4.60 yr (1,680 days) |
Mean anomaly | 76.633° |
Mean motion | 0° 12m 51.12s / day |
| Inclination | 8.0241° |
Longitude of ascending node | 350.05° |
| 52.507° | |
| Known satellites | 1 |
| Physical characteristics | |
Mean diameter | 13.23±3.97 km 14.64 km (calculated) 14.75±0.91 km 16.5±1.9 km 17.14±2.94 km 17.359±0.697 km |
Synodic rotation period | 20 h 26.58±0.05 h 26.59 h 26.6 h 26.606±0.001 h |
| 0.039±0.018 0.0406±0.0162 0.041±0.016 0.046±0.017 0.057 (assumed) 0.058±0.008 0.07±0.08 | |
| C | |
| 12.80 · 12.9 · 13.05 · 13.05±0.07 · 13.37±0.25 | |
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.