| Discovery | |
|---|---|
| Discovered by | Joel Hastings Metcalf |
| Discovery site | Taunton, Massachusetts |
| Discovery date | 13 November 1906 |
| Designations | |
| (622) Esther | |
Named after | Esther (biblical figure)[1] |
| 1906 WP | |
| main-belt · (inner) | |
| Orbital characteristics[2] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 109.40 yr (39959 d) |
| Aphelion | 2.9999 AU (448.78 Gm) |
| Perihelion | 1.8313 AU (273.96 Gm) |
| 2.4156 AU (361.37 Gm) | |
| Eccentricity | 0.24189 |
| 3.75yr (1371.3d) | |
| 93.681° | |
| 0° 15m 45.072s / day | |
| Inclination | 8.6435° |
| 142.046° | |
| 256.687° | |
| Earth MOID | 0.859795 AU (128.6235 Gm) |
| Jupiter MOID | 2.48023 AU (371.037 Gm) |
| TJupiter | 3.461 |
| Physical characteristics[3] | |
| Dimensions | 40 × 24 × 24km ± 26% 29±8 km |
| 47.5 h (1.98 d) | |
| S-type asteroid | |
| 10.3 | |
622 Esther is aminor planet orbiting theSun.
The asteroid is named after the biblical figureEsther.[1]
In 2001, the asteroid was detected by radar from theArecibo Observatory at a distance of 1.11 AU. The resulting data yielded an effective diameter of29 ± 8 km.[3]
_mathilde.jpg) | This article about an S-type asteroid native to theasteroid belt is astub. You can help Wikipedia byadding missing information. |