(305) Gordonia Main-belt Asteroid
Discovered on 16 February 1891 by A. Charlois at Nice.
Where Gordonia is today
Seen from above the solar system on 2026-10-14: Gordonia is 2.48 au from the Sun and 2.64 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 305 |
| Provisional designation | A891 DA |
| Orbit class | Main-belt Asteroid |
| Diameter | 47.7 km (#799 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.238 |
| Rotation period | 12.9 hours |
| Spectral type | S |
| Absolute magnitude (H) | 8.86 |
| Orbital period | 5.42 years |
| Semi-major axis | 3.09 au |
| Perihelion – aphelion | 2.48 – 3.70 au |
| Eccentricity | 0.197 |
| Inclination | 4.45° |
| Closest distance between its orbit and Earth's (MOID) | 1.50 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by A. Charlois
- (267) Tirza
- (272) Antonia
- (277) Elvira
- (282) Clorinde
- (283) Emma
- (284) Amalia
- (285) Regina
- (289) Nenetta
- (293) Brasilia
- (294) Felicia
- (296) Phaetusa
- (297) Caecilia
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