| Discovery | |
|---|---|
| Discovered by | Joel Hastings Metcalf |
| Discovery site | Taunton, Massachusetts |
| Discovery date | 5 May 1907 |
| Designations | |
| (638) Moira | |
| Pronunciation | /ˈmɔɪrə/ |
Named after | Moirae |
| 1907 ZQ | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 110.22 yr (40257 d) |
| Aphelion | 3.1701 AU (474.24 Gm) |
| Perihelion | 2.3005 AU (344.15 Gm) |
| 2.7353 AU (409.20 Gm) | |
| Eccentricity | 0.15896 |
| 4.52yr (1652.4d) | |
| 54.7967° | |
| 0° 13m 4.332s / day | |
| Inclination | 7.7123° |
| 103.208° | |
| 128.586° | |
| Physical characteristics | |
| 32.72±0.7km | |
| 9.875 h (0.4115 d) | |
| 0.060 | |
| 10.0 | |
638 Moira, also known asA907 JG, is aminor planet orbiting theSun. First observed in 1906, 638 Moira was discovered to be an orbital body in 1907 byJoel Hastings Metcalf inTaunton, England. 638 Moira is a little over 59.5 km across and rotates once every 10 hours. Its farthest point from the sun is a little over 3au during its 4.5 year orbit, and it is classed as anL-type asteroid (SMASSII).
_mathilde.jpg) | This article about an asteroid native to theasteroid belt is astub. You can help Wikipedia byadding missing information. |
