(272) Antonia Main-belt Asteroid
Discovered on 4 February 1888 by A. Charlois at Nice.
Where Antonia is today
Seen from above the solar system on 2026-10-14: Antonia is 2.70 au from the Sun and 3.08 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 272 |
| Provisional designation | A888 CA |
| Orbit class | Main-belt Asteroid |
| Diameter | 26.9 km (#1,551 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.128 |
| Rotation period | 3.85 hours |
| Spectral type | X |
| Absolute magnitude (H) | 10.85 |
| Orbital period | 4.63 years |
| Semi-major axis | 2.78 au |
| Perihelion – aphelion | 2.69 – 2.86 au |
| Eccentricity | 0.0302 |
| Inclination | 4.43° |
| Closest distance between its orbit and Earth's (MOID) | 1.71 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.