(639) Latona Main-belt Asteroid
Discovered on 19 July 1907 by K. Lohnert at Heidelberg.
Where Latona is today
Seen from above the solar system on 2026-10-14: Latona is 3.22 au from the Sun and 4.19 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 639 |
| Provisional designation | A907 OA |
| Orbit class | Main-belt Asteroid |
| Diameter | 78.5 km (#390 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.123 |
| Rotation period | 6.19 hours |
| Spectral type | S |
| Absolute magnitude (H) | 8.32 |
| Orbital period | 5.23 years |
| Semi-major axis | 3.01 au |
| Perihelion – aphelion | 2.68 – 3.35 au |
| Eccentricity | 0.111 |
| Inclination | 8.57° |
| Closest distance between its orbit and Earth's (MOID) | 1.69 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by K. Lohnert
← (638) Moira · (640) Brambilla →