Tags: Planet.
- apoapsis (km)
- 5.88328e+11
- average speed (km/s)
- 79.2, 57384.0
- mass (kg)
- 1600.0
- mean radius (km)
- 95000.0
- orbital period (μ)
- 172.8, 2.02855e+08
- periapsis (km)
- 4.46029e+11
- absolute magnitude
- 7.31, 13.0
- albedo
- 0.0482
- discovery date
- 1872-05-12, 2002-09-28
- discoverer
- James Craig Watson, P._M._Tamblyn, W._M._Owen, C._Dumas, C._R._Chapman, F._Menard, L._M._Close, W._J._Merline, D._C._Slater
- epoch
- December 31 2006 (JD 2454100.5)
- escape velocity (kmh)
- 21.6, 270.0
- former name
- LaFayette