(18750) Leonidakimov Main-belt Asteroid
Discovered on 10 April 1999 by LONEOS at Anderson Mesa.
Leonid Afanas'evich Akimov (b. 1937) is a Ukrainian planetary scientist. An expert in lunar photometry, he was one of the earliest to study the opposition effect, and additionally made laboratory measurements of lunar regolith particles. The name was suggested by D. F. Lupishko and Yu. G. Shkuratov.Naming citation (20080321/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Leonidakimov is today
Seen from above the solar system on 2026-10-14: Leonidakimov is 3.11 au from the Sun and 2.90 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 18750 |
| Provisional designation | 1999 GA9 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.09 |
| Orbital period | 4.21 years |
| Semi-major axis | 2.61 au |
| Perihelion – aphelion | 1.99 – 3.22 au |
| Eccentricity | 0.236 |
| Inclination | 5.63° |
| Closest distance between its orbit and Earth's (MOID) | 0.975 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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