642 Clara

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642 Clara
Discovery
Discovered byMax Wolf
Discovery siteHeidelberg
Discovery date8 September 1907
Designations
MPC designation(642) Clara
1907 ZY
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc108.42 yr (39599 d)
Aphelion3.5799 AU (535.55 Gm)
Perihelion2.8028 AU (419.29 Gm)
3.1914 AU (477.43 Gm)
Eccentricity0.12176
5.70 yr (2082.4 d)
307.116°
0° 10m 22.368s / day
Inclination8.1702°
5.9035°
118.101°
Physical characteristics
Mean radius
16.68±0.75 km
8.2308 h (0.34295 d)
0.1617±0.015
9.98

642 Clara is a minor planet orbiting the Sun. Discovered by Max Wolf in 1907, it is named after one of the housekeepers in Wolf's household.[2]

References[edit]

  1. ^ "642 Clara (1907 ZY)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 May 2016.
  2. ^ Schmadel, Lutz D. (2007). "(642) Clara". Dictionary of Minor Planet Names – (642) Clara. Springer Berlin Heidelberg. p. 64. doi:10.1007/978-3-540-29925-7_643. ISBN 978-3-540-00238-3.

External links[edit]