- Area
- 23018000
- absolute magnitude
- -1.2
- albedo
- 0.76
- apoapsis
- 354.765 km
- apparent magnitude
- 13.47
- density
- 2.061
- diameter
- 2700 km
- mass
- 21.39
- orbital eccentricity
- 0.000016
- orbital inclination
- 129.812, 156.885, 129.608
- orbital period
- -5.876854
- periapsis
- 354.753 km
- radius
- 1353.4 km
- semi-major axis of an orbit
- 354759 km
- site of astronomical discovery
- England
- surface gravity
- 0.779
- temperature
- 38
- time of discovery or invention
- 10 October 1846
- volume as quantity
- 10384000000