(2181) Fogelin Main-belt Asteroid
Discovered on 28 December 1942 by K. Reinmuth at Heidelberg.
Named in honor of Eric S. Fogelin, an assistant at the Minor Planet Center during 1979-1980 who has helped extensively in the production of the Minor Planet Circulars and in the preparation of computerized data relevant to the Minor Planet Center. Name proposed by C. M. Bardwell and B. G. Marsden.Naming citation (MPC 5451), IAU / Minor Planet Center, via NASA/JPL
Where Fogelin is today
Seen from above the solar system on 2026-10-14: Fogelin is 2.29 au from the Sun and 3.03 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2181 |
| Provisional designation | 1942 YA |
| Orbit class | Main-belt Asteroid |
| Diameter | 10.1 km (#5,062 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.252 |
| Rotation period | 14.1 hours |
| Absolute magnitude (H) | 12.18 |
| Orbital period | 4.17 years |
| Semi-major axis | 2.59 au |
| Perihelion – aphelion | 2.28 – 2.91 au |
| Eccentricity | 0.122 |
| Inclination | 13.0° |
| Closest distance between its orbit and Earth's (MOID) | 1.32 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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