1747 Wright
1747 Wright, provisional designation 1947 NH, is a stony asteroid and a sizable Mars-crosser, approximately 6 kilometers in diameter.
Lightcurve-based 3D-model of Wright | |
| Discovery | |
|---|---|
| Discovered by | C. A. Wirtanen |
| Discovery site | Lick Obs. |
| Discovery date | 14 July 1947 |
| Designations | |
MPC designation | (1747) Wright |
Named after | William Wright (observatory's director) |
Alternative designations | 1947 NH |
Minor planet category | Mars-crosser |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 69.24 yr (25,290 days) |
| Aphelion | 1.8977 AU |
| Perihelion | 1.5207 AU |
Semi-major axis | 1.7092 AU |
| Eccentricity | 0.1103 |
Orbital period (sidereal) | 2.23 yr (816 days) |
Mean anomaly | 174.63° |
Mean motion | 0° 26m 27.96s / day |
| Inclination | 21.416° |
Longitude of ascending node | 268.39° |
| 340.43° | |
| Physical characteristics | |
| Dimensions | 5.17±0.24 km 6.35±0.6 km (IRAS:2) |
Synodic rotation period | 5.28796±0.00005 h 5.2896±0.0002 h 5.290±0.001 h |
| 0.2005±0.043 (IRAS:2) 0.321±0.034 | |
| Tholen = unusual, noisy spectrum with resemblances to A-type spectrum SMASS = Sl Bus–DeMeo = Sw | |
| 13.35 | |
It was discovered on 14 July 1947, by American astronomer Carl Wirtanen at Lick Observatory on Mount Hamilton near San Jose, California. It was named in memory of astronomer William Hammond Wright.
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