- albedo
- 0.09
- apparent magnitude
- 21.5
- mass
- 4.9
- orbital eccentricity
- 0.001393
- orbital inclination
- 0.251
- orbital period
- 0.55465332
- provisional designation
- S/1989 N 2
- radius
- 97 km
- semi-major axis of an orbit
- 73548 km
- temperature
- 51
- time of discovery or invention
- 24 May 1981
- volume as quantity
- 3500000