(4369) Seifert Main-belt Asteroid
Discovered on 30 July 1982 by L. Brozek at Klet.
Where Seifert is today
Seen from above the solar system on 2026-10-14: Seifert is 3.14 au from the Sun and 4.01 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4369 |
| Provisional designation | 1982 OR |
| Orbit class | Main-belt Asteroid |
| Diameter | 16.0 km (#2,888 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.120 |
| Rotation period | 30.6 hours |
| Spectral type | Xk |
| Absolute magnitude (H) | 12.22 |
| Orbital period | 4.22 years |
| Semi-major axis | 2.61 au |
| Perihelion – aphelion | 1.95 – 3.27 au |
| Eccentricity | 0.252 |
| Inclination | 11.8° |
| Closest distance between its orbit and Earth's (MOID) | 0.991 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.