(3228) Pire Main-belt Asteroid
Discovered on 8 February 1935 by S. J. Arend at Uccle.
Where Pire is today
Seen from above the solar system on 2026-10-14: Pire is 2.45 au from the Sun and 1.46 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3228 |
| Provisional designation | 1935 CL |
| Orbit class | Main-belt Asteroid |
| Diameter | 16.2 km (#2,842 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0480 |
| Rotation period | 11.5 hours |
| Absolute magnitude (H) | 12.94 |
| Orbital period | 3.87 years |
| Semi-major axis | 2.46 au |
| Perihelion – aphelion | 2.14 – 2.79 au |
| Eccentricity | 0.131 |
| Inclination | 1.92° |
| Closest distance between its orbit and Earth's (MOID) | 1.16 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.