622 Esther

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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[edit]

  1. ^ Magri, Christopher et al. (January 2007), "A radar survey of main-belt asteroids: Arecibo observations of 55 objects during 1999 2003" (PDF), Icarus 186 (1): 126–151, Bibcode:2007Icar..186..126M, doi:10.1016/j.icarus.2006.08.018, retrieved 2015-04-14. 

External links[edit]