(5656) Oldfield Main-belt Asteroid
Discovered on 8 October 1920 by W. Baade at Bergedorf.
Where Oldfield is today
Seen from above the solar system on 2026-10-14: Oldfield is 3.08 au from the Sun and 3.95 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5656 |
| Provisional designation | A920 TA |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.69 km (#6,886 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0750 |
| Absolute magnitude (H) | 14.49 |
| Orbital period | 3.86 years |
| Semi-major axis | 2.46 au |
| Perihelion – aphelion | 1.81 – 3.11 au |
| Eccentricity | 0.264 |
| Inclination | 4.01° |
| Closest distance between its orbit and Earth's (MOID) | 0.804 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.