(4165) Didkovskij Main-belt Asteroid
Discovered on 1 April 1976 by N. S. Chernykh at Nauchnyj.
Named in honor of Leonid Vladimirovich Didkovskij (b. 1948), astrophysicist and deputy director of the Crimean Astrophysical Observatory. He is known for his research on the brightness oscillations of the sun, for his development of scientific instrumentation for the Soviet space telescope “Astron” and for his work with the active main mirror on the 1.7-m Space Telescope “Spectrum UV”, an international project.Naming citation (19990402/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Didkovskij is today
Seen from above the solar system on 2026-10-14: Didkovskij is 2.02 au from the Sun and 2.51 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4165 |
| Provisional designation | 1976 GS3 |
| Orbit class | Main-belt Asteroid |
| Diameter | 8.04 km (#6,544 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.119 |
| Absolute magnitude (H) | 13.77 |
| Orbital period | 3.84 years |
| Semi-major axis | 2.45 au |
| Perihelion – aphelion | 2.01 – 2.89 au |
| Eccentricity | 0.180 |
| Inclination | 11.9° |
| Closest distance between its orbit and Earth's (MOID) | 1.03 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Leonid
- (7394) Xanthomalitia
- (8451) Gaidai
- (8561) Sikoruk
- (10713) Limorenko
- (18120) Lytvynenko
- (18750) Leonidakimov
- (25099) Mashinskiy
- (399673) Kadenyuk
- (599083) Snezhko
All asteroids named after someone called Leonid
Also discovered on 1 April 1976
- (2206) Gabrova
- (2312) Duboshin
- (2361) Gogol
- (2606) Odessa
- (2722) Abalakin
- (2734) Hasek
- (2769) Mendeleev
- (2849) Shklovskij
- (2922) Dikan'ka
- (3246) Bidstrup
- (3723) Voznesenskij
- (4389) Durbin