622 Esther

From Wikipedia, the free encyclopedia
Jump to navigation Jump to search
622 Esther
Discovery
Discovered byJoel Hastings Metcalf
Discovery siteTaunton, Massachusetts
Discovery date13 November 1906
Designations
MPC designation(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 arc109.40 yr (39959 d)
Aphelion2.9999 AU (448.78 Gm)
Perihelion1.8313 AU (273.96 Gm)
2.4156 AU (361.37 Gm)
Eccentricity0.24189
3.75 yr (1371.3 d)
93.681°
0° 15m 45.072s / day
Inclination8.6435°
142.046°
256.687°
Earth MOID0.859795 AU (128.6235 Gm)
Jupiter MOID2.48023 AU (371.037 Gm)
TJupiter3.461
Physical characteristics[3]
Dimensions40 × 24 × 24 km ± 26%
29±km
47.5 h (1.98 d)
S-type asteroid
10.3

622 Esther is a minor planet orbiting the Sun.

The asteroid is named after the biblical figure Esther.[1]

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.[3]

References[edit]

  1. ^ a b Lutz D. Schmadel (2003). Dictionary of Minor Planet Names (Fifth ed.). Heidelberg, N. Y: Springer Science & Business Media. p. 63. ISBN 978-3-540-00238-3.
  2. ^ "622 Esther (1906 WP)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 May 2016.
  3. ^ a b 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 14 April 2015.

External links[edit]