(2180) Marjaleena Main-belt Asteroid
Discovered on 8 September 1940 by H. Alikoski at Turku.
Where Marjaleena is today
Seen from above the solar system on 2026-10-14: Marjaleena is 3.25 au from the Sun and 4.01 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2180 |
| Provisional designation | 1940 RJ |
| Orbit class | Main-belt Asteroid |
| Diameter | 21.4 km (#2,040 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.154 |
| Rotation period | 7.70 hours |
| Absolute magnitude (H) | 11.25 |
| Orbital period | 5.24 years |
| Semi-major axis | 3.02 au |
| Perihelion – aphelion | 2.77 – 3.26 au |
| Eccentricity | 0.0804 |
| Inclination | 9.23° |
| Closest distance between its orbit and Earth's (MOID) | 1.78 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.