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| Orbital characteristics [ftp://ftp.lowell.edu/pub/elgb/astorb.html 1] | |
|---|---|
| Orbit type | Main belt |
| Semimajor axis | 2.365 AU |
| Perihelion distance | 2.207 AU |
| Aphelion distance | 2.523 AU |
| Orbital period | 3.64 years |
| Inclination | 9.97° |
| Eccentricity | 0.067 |
| Physical characteristics [ftp://ftp.lowell.edu/pub/elgb/astorb.html 1] | |
| Diameter | 147.9 km |
| Rotation period | 7.783 hours |
| Spectral class | G |
| Abs. magnitude | 7.35 |
| Albedo | 0.093 |
| History | |
| Discoverer | A. Laurent, 1858 |
51 Nemausa is a large Main belt asteroid similar to 1 Ceres in composition.
It was discovered in the city of Nîmes, France, after which it was named (in its Latin name). The discoverer was a certain "A. Laurent" who never made any more asteroid discoveries and about whom not much seems to be known.
The asteroid was discovered using the private observatory at the house formerly occupied by Benjamin Valz, who left to become the new director of the satellite has been suggested based on lightcurve data.
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