| Minorplanet: | yes |
| Background: |
|
| 642 Clara | |
| Mpc Name: | (642) Clara |
| Alt Names: | 1907 ZY |
| Discovered: | 8 September 1907 |
| Epoch: | 31 July 2016 (JD 2457600.5) |
| Eccentricity: | 0.12176 |
| Semimajor: | 3.1914AU |
| Perihelion: | 2.8028AU |
| Aphelion: | 3.5799abbr=onNaNabbr=on |
| Period: | 5.70 yr (2082.4 d) |
| Inclination: | 8.1702° |
| Asc Node: | 5.9035° |
| Arg Peri: | 118.101° |
| Mean Motion: | / day |
| Orbit Ref: | [1] |
| Observation Arc: | 108.42 yr (39599 d) |
| Uncertainty: | 0 |
| Abs Magnitude: | 9.98 |
| Rotation: | 8.2308abbr=onNaNabbr=on |
| Mean Radius: | km |
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]