(11003) Andronov Main-belt Asteroid
Discovered on 14 October 1979 by N. S. Chernykh at Nauchnyj.
Ivan Leonidovich Andronov (b. 1960), professor at Odessa National University, is a prominent Ukrainian stellar astrophysicist known for his research on double and symbiotic stars. He also lectures on various aspects of astrophysics and mathematics.Naming citation (20040306/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Andronov is today
Seen from above the solar system on 2026-10-14: Andronov is 3.23 au from the Sun and 4.07 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 11003 |
| Provisional designation | 1979 TT2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.20 km (#12,268 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.399 |
| Rotation period | 4.52 hours |
| Absolute magnitude (H) | 14.07 |
| Orbital period | 4.13 years |
| Semi-major axis | 2.57 au |
| Perihelion – aphelion | 1.89 – 3.26 au |
| Eccentricity | 0.265 |
| Inclination | 3.71° |
| Closest distance between its orbit and Earth's (MOID) | 0.888 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Ivan
- (5361) Goncharov
- (8244) Mikolaichuk
- (8609) Shuvalov
- (9732) Juchnovski
- (9932) Kopylov
- (11191) Paskvic
- (12513) Niven
- (17002) Kouzel
- (20045) Semeniuk
- (20654) Ivaneder
- (20658) Bushmarinov
- (22901) Ivanbella
All asteroids named after someone called Ivan