622 Esther

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622 Esther
Discovery
Discovered by Joel Hastings Metcalf
Discovery site Taunton, Massachusetts
Discovery date 13 November 1906
Designations
1906 WP
Orbital characteristics[1]
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
3.75 yr (1371.3 d)
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)
Jupiter Tisserand parameter 3.461
Physical characteristics
47.5 h (1.98 d)
10.3

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.[2]

References[edit]

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