(3217) Seidelmann Main-belt Asteroid
Discovered on 2 September 1980 by E. Bowell at Anderson Mesa.
Where Seidelmann is today
Seen from above the solar system on 2026-10-14: Seidelmann is 3.01 au from the Sun and 3.82 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3217 |
| Provisional designation | 1980 RK |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 14.7 |
| Orbital period | 3.69 years |
| Semi-major axis | 2.39 au |
| Perihelion – aphelion | 1.76 – 3.01 au |
| Eccentricity | 0.262 |
| Inclination | 6.14° |
| Closest distance between its orbit and Earth's (MOID) | 0.755 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 2 September 1980
- (2316) Jo-Ann
- (2451) Dollfus
- (2917) Sawyer Hogg
- (3255) Tholen
- (5364) Christophschafer
- (6280) Sicardy
- (8250) Cornell