(2911) Miahelena Main-belt Asteroid
Discovered on 8 April 1938 by H. Alikoski at Turku.
Where Miahelena is today
Seen from above the solar system on 2026-10-14: Miahelena is 2.57 au from the Sun and 3.51 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2911 |
| Provisional designation | 1938 GJ |
| Orbit class | Main-belt Asteroid |
| Diameter | 12.2 km (#3,996 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.358 |
| Rotation period | 4.20 hours |
| Spectral type | S |
| Absolute magnitude (H) | 11.87 |
| Orbital period | 4.67 years |
| Semi-major axis | 2.80 au |
| Perihelion – aphelion | 2.53 – 3.06 au |
| Eccentricity | 0.0940 |
| Inclination | 9.63° |
| Closest distance between its orbit and Earth's (MOID) | 1.55 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.