(129) Antigone Main-belt Asteroid
Discovered on 5 February 1873 by C. H. F. Peters at Clinton.
👶 Antigone as a baby name🐶 Antigone as a dog name
Where Antigone is today
Seen from above the solar system on 2026-10-14: Antigone is 3.35 au from the Sun and 2.42 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 129 |
| Provisional designation | A873 CA |
| Orbit class | Main-belt Asteroid |
| Diameter | 113 km (#183 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.151 |
| Rotation period | 4.96 hours |
| Spectral type | M |
| Absolute magnitude (H) | 7.02 |
| Orbital period | 4.86 years |
| Semi-major axis | 2.87 au |
| Perihelion – aphelion | 2.26 – 3.48 au |
| Eccentricity | 0.213 |
| Inclination | 12.3° |
| Closest distance between its orbit and Earth's (MOID) | 1.28 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by C. H. F. Peters
- (72) Feronia
- (75) Eurydike
- (77) Frigga
- (85) Io
- (88) Thisbe
- (92) Undina
- (98) Ianthe
- (102) Miriam
- (109) Felicitas
- (111) Ate
- (112) Iphigenia
- (114) Kassandra
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