(2251) Tikhov Main-belt Asteroid
Discovered on 19 September 1977 by N. S. Chernykh at Nauchnyj.
Named in memory of Gavriil Adrianovich Tikhov (1875-1960), active on the staff of the Pulkovo Observatory during 1906-1941 and from 1947 head of the astrobotanical department of the Kazakh Academy of Sciences. His principal scientific work was concerned with stellar and planetary photometry and colorimetry and with atmospheric optics. He was also known for his research on the physical nature of Mars.Naming citation (MPC 5451), IAU / Minor Planet Center, via NASA/JPL
Where Tikhov is today
Seen from above the solar system on 2026-10-14: Tikhov is 2.31 au from the Sun and 1.32 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2251 |
| Provisional designation | 1977 SU1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 29.5 km (#1,392 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0590 |
| Rotation period | 5.67 hours |
| Spectral type | Cb |
| Absolute magnitude (H) | 11.68 |
| Orbital period | 4.46 years |
| Semi-major axis | 2.71 au |
| Perihelion – aphelion | 2.31 – 3.11 au |
| Eccentricity | 0.148 |
| Inclination | 7.44° |
| Closest distance between its orbit and Earth's (MOID) | 1.31 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Gavriil
All asteroids named after someone called Gavriil