| b>51 Nemausa |
| bgcolor="#ffc0c0" colspan="2" | Orbital characteristics 1 |
| rbit type | Main belt |
| a href="/encyclopedia/Semimajor-axis" title="Semimajor axis">Semimajor axis | 2.365 AU |
| a href="/encyclopedia/Perihelion" title="Perihelion">Perihelion distance | 2.207 AU |
| a href="/encyclopedia/Aphelion" title="Aphelion">Aphelion distance | 2.523 AU |
| a href="/encyclopedia/Orbital-period" title="Orbital period">Orbital period | 3.64 years |
| a href="/encyclopedia/Inclination" title="Inclination">Inclination | 9.97° |
| a href="/encyclopedia/Eccentricity-(orbit)" title="Eccentricity (orbit)">Eccentricity | 0.067 |
| bgcolor="#ffc0c0" colspan="2" | Physical characteristics 1 |
| a href="/encyclopedia/Diameter" title="Diameter">Diameter | 147.9 km |
| a href="/encyclopedia/Rotation-period" title="Rotation period">Rotation period 3 | 7.783 hours |
| a href="/encyclopedia/Asteroid#Spectral_classification" title="Asteroid#Spectral_classification">Spectral class | G |
| a href="/encyclopedia/Absolute-magnitude" title="Absolute magnitude">Abs. magnitude | 7.35 |
| a href="/encyclopedia/Albedo" title="Albedo">Albedo 4 | 0.093 |
| bgcolor="#ffc0c0" colspan="2" | History 2 |
| iscoverer | A. Laurent, 1858 |