642 Clara

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642 Clara
Discovery
Discovered by Max Wolf
Discovery site Heidelberg
Discovery date8 September 1907
Designations
(642) Clara
1907 ZY
Orbital characteristics [1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 108.42 yr (39599 d)
Aphelion 3.5799  AU (535.55  Gm)
Perihelion 2.8028 AU (419.29 Gm)
3.1914 AU (477.43 Gm)
Eccentricity 0.12176
5.70 yr (2082.4 d)
307.116°
0° 10m 22.368s / day
Inclination 8.1702°
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]

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    References

    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.