1660 Wood
1660 Wood, provisional designation 1953 GA, is a stony Phocaea asteroid from the inner regions of the asteroid belt, approximately 12 kilometers in diameter. It was named after British–South African astronomer Harry Edwin Wood.
| Discovery | |
|---|---|
| Discovered by | J. A. Bruwer |
| Discovery site | Johannesburg Obs. |
| Discovery date | 7 April 1953 |
| Designations | |
MPC designation | (1660) Wood |
Named after | Harry Edwin Wood (astronomer) |
Alternative designations | 1953 GA · 1931 KL 1933 YC · 1951 RD1 1955 VQ |
Minor planet category | main-belt · Phocaea |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 86.05 yr (31,429 days) |
| Aphelion | 3.1172 AU |
| Perihelion | 1.6726 AU |
Semi-major axis | 2.3949 AU |
| Eccentricity | 0.3016 |
Orbital period (sidereal) | 3.71 yr (1,354 days) |
Mean anomaly | 182.68° |
Mean motion | 0° 15m 57.24s / day |
| Inclination | 20.575° |
Longitude of ascending node | 212.94° |
| 276.66° | |
| Physical characteristics | |
| Dimensions | 11.342±0.113 km 12.67 km (calculated) |
Synodic rotation period | 6.8088±0.0002 h 6.8088±0.0004 h 6.8090±0.0002 h |
| 0.23 (assumed) 0.239±0.035 | |
| SMASS = S · S | |
| 11.32±0.67 · 11.7 · 11.9 | |
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