Perihelion Date: 14 February 1996, 18:06 UT
Perihelion Distance: 8.4639422 AU
Date of Perihelion Opposition: 01 April 1996 (closest approach to Earth)
Orbital Period: 50.7 years
Eccentricity: 0.3831118
Inclination: 6.93540 degrees
Semi-Major Axis: ~13.70354 AU
Aphelion: ~18.94314 AU
Mass: 2 x 1018 to 1019 kg
Diameter: 148 to 208 km
Rotation Period: ~5.9 hours
Asteroid Classification: B-type
Discoverer: Charles Kowal
Date of Discovery: 01 November 1977 (on a photographic plate taken 18 October)
Semi-Major Axis: 13.7053530 AU
Eccentricity: 0.3831649
Inclination: 6.93524 deg.
Longitude of Ascending Node: 208.65735 deg.
Longitude of Perihelion: 339.58061 deg.
Mean Anomaly: 359.46170 deg.