(1199) Geldonia Main-belt Asteroid
Discovered on 14 September 1931 by E. Delporte at Uccle.
Where Geldonia is today
Seen from above the solar system on 2026-10-14: Geldonia is 3.08 au from the Sun and 2.13 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1199 |
| Provisional designation | 1931 RF |
| Orbit class | Main-belt Asteroid |
| Diameter | 30.4 km (#1,343 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0980 |
| Rotation period | 57.9 hours |
| Spectral type | CGTP: |
| Absolute magnitude (H) | 10.32 |
| Orbital period | 5.24 years |
| Semi-major axis | 3.02 au |
| Perihelion – aphelion | 2.92 – 3.12 au |
| Eccentricity | 0.0332 |
| Inclination | 8.78° |
| Closest distance between its orbit and Earth's (MOID) | 1.94 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.