(4228) Nemiro Main-belt Asteroid
Discovered on 25 July 1968 by Plyugin, G. A., Belyaev, Yu. A. at Cerro El Roble.
Andrej Antonovich Nemiro (1909-1995) worked at the Pulkovo Observatory for more than 50 years and was one of the distinguished successors to the scientific traditions of the Pulkovo Astrometry School. The name was suggested by the Pulkovo Observatory.Naming citation (20000124/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Nemiro is today
Seen from above the solar system on 2026-10-14: Nemiro is 2.59 au from the Sun and 3.54 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4228 |
| Provisional designation | 1968 OC1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.47 km (#14,049 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.420 |
| Rotation period | 2.77 hours |
| Absolute magnitude (H) | 14.32 |
| Orbital period | 3.50 years |
| Semi-major axis | 2.30 au |
| Perihelion – aphelion | 1.99 – 2.62 au |
| Eccentricity | 0.137 |
| Inclination | 5.27° |
| Closest distance between its orbit and Earth's (MOID) | 0.986 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Andrej
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- (8612) Burov
- (9565) Tikhonov
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- (48410) Kolmogorov
All asteroids named after someone called Andrej