129 Antigone
Asteroid
Antigone is a large main-belt asteroid. Radar observations indicate that it is composed of almost pure nickel-iron. It and other similar asteroids probably originate from the core of a shattered Vesta-like planetesimal which had a differentiated... Wikipedia
Mass: (2.65 ± 0.89) × 1018 kg
Discoverer: Christian Heinrich Friedrich Peters
Spectral type: M-type asteroid
Discovered: February 5, 1873
Average orbital speed: 17.39 km/s
Earth MOID: 1.2837 AU (192.04 Gm)
Eccentricity: 0.21145