(4666) Dietz Main-belt Asteroid
Discovered on 4 May 1986 by C. S. Shoemaker at Palomar.
Where Dietz is today
Seen from above the solar system on 2026-10-14: Dietz is 2.49 au from the Sun and 1.55 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4666 |
| Provisional designation | 1986 JA1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.83 km (#7,842 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.239 |
| Rotation period | 2.95 hours |
| Absolute magnitude (H) | 13.1 |
| Orbital period | 3.58 years |
| Semi-major axis | 2.34 au |
| Perihelion – aphelion | 1.79 – 2.89 au |
| Eccentricity | 0.235 |
| Inclination | 24.5° |
| Closest distance between its orbit and Earth's (MOID) | 0.824 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.