622 Esther
| Discovery | |
|---|---|
| Discovered by | Joel Hastings Metcalf |
| Discovery site | Taunton, Massachusetts |
| Discovery date | November 13, 1906 |
| Designations | |
| 1906 WP | |
| Orbital characteristics | |
| Epoch May 26, 1995 (JDCT 2449863.5) | |
| Aphelion | 3.002 AU |
| Perihelion | 1.832 AU |
| 2.417 AU | |
| Eccentricity | 0.242 |
| 3.757 a | |
| -137.354° | |
| Inclination | 8.641° |
| 142.401° | |
| 255.708° | |
|
| |
622 Esther is a minor planet orbiting the Sun.
In 2001, the asteroid was detected by radar from the Arecibo Observatory at a distance of 1.11 AU. The resulting data yielded an effective diameter of 29 ± 8 km.[1]
References
- ↑ Magri, Christopher et al. (January 2007), "A radar survey of main-belt asteroids: Arecibo observations of 55 objects during 1999 2003", Icarus 186 (1): 126–151, Bibcode:2007Icar..186..126M, doi:10.1016/j.icarus.2006.08.018, retrieved 2015-04-14.
External links
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