(1112) Polonia Main-belt Asteroid
Discovered on 15 August 1928 by P. F. Shajn at Simeis.
Where Polonia is today
Seen from above the solar system on 2026-10-14: Polonia is 3.34 au from the Sun and 4.27 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1112 |
| Provisional designation | 1928 PE |
| Orbit class | Main-belt Asteroid |
| Diameter | 39.7 km (#982 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0970 |
| Rotation period | 18.7 hours |
| Spectral type | S |
| Absolute magnitude (H) | 10.05 |
| Orbital period | 5.24 years |
| Semi-major axis | 3.02 au |
| Perihelion – aphelion | 2.69 – 3.35 au |
| Eccentricity | 0.109 |
| Inclination | 9.00° |
| Closest distance between its orbit and Earth's (MOID) | 1.71 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.