(2144) Marietta Main-belt Asteroid
Discovered on 18 January 1975 by L. I. Chernykh at Nauchnyj.
Named in honor of Marietta Sergeevna Shaginyan, Soviet writer, doctor of philology, a member of the Armenian Academy of Sciences.Naming citation (MPC 5284), IAU / Minor Planet Center, via NASA/JPL
Where Marietta is today
Seen from above the solar system on 2026-10-14: Marietta is 2.81 au from the Sun and 2.06 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2144 |
| Provisional designation | 1975 BC1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 15.7 km (#2,966 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.286 |
| Rotation period | 5.49 hours |
| Absolute magnitude (H) | 11.32 |
| Orbital period | 4.88 years |
| Semi-major axis | 2.88 au |
| Perihelion – aphelion | 2.71 – 3.04 au |
| Eccentricity | 0.0575 |
| Inclination | 2.83° |
| Closest distance between its orbit and Earth's (MOID) | 1.72 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.