(25) Phocaea Main-belt Asteroid
Discovered on 6 April 1853 by J. Chacornac at Marseilles.
Where Phocaea is today
Seen from above the solar system on 2026-10-14: Phocaea is 3.01 au from the Sun and 3.34 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 25 |
| Provisional designation | A853 GB |
| Orbit class | Main-belt Asteroid |
| Diameter | 61.1 km (#572 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.350 |
| Rotation period | 9.93 hours |
| Spectral type | S |
| Absolute magnitude (H) | 7.88 |
| Orbital period | 3.72 years |
| Semi-major axis | 2.40 au |
| Perihelion – aphelion | 1.79 – 3.01 au |
| Eccentricity | 0.254 |
| Inclination | 21.6° |
| Closest distance between its orbit and Earth's (MOID) | 0.926 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by J. Chacornac
← (24) Themis · (26) Proserpina →