(343587) Mamuna Main-belt Asteroid
Discovered on 5 April 2010 by at Zelenchukskaya Stn110133 Kryachko, T. V..
Nikolai Vladimirovich Mamuna (1956-2016) was an astronomer, teacher and leading lecturer of the Moscow Planetarium. He was artistic director of the Maximachev Planetarium, the author of a number of books and many journal publications, a science fiction writer, a radio and a TV host.Naming citation (MPC batch dated 2018-04-30), IAU / Minor Planet Center, via NASA/JPL
Where Mamuna is today
Seen from above the solar system on 2026-10-14: Mamuna is 2.38 au from the Sun and 1.81 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 343587 |
| Provisional designation | 2010 GQ23 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.55 |
| Orbital period | 4.50 years |
| Semi-major axis | 2.73 au |
| Perihelion – aphelion | 2.37 – 3.08 au |
| Eccentricity | 0.129 |
| Inclination | 26.9° |
| Closest distance between its orbit and Earth's (MOID) | 1.41 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.