(3148) Grechko Main-belt Asteroid
Discovered on 24 September 1979 by N. S. Chernykh at Nauchnyj.
Where Grechko is today
Seen from above the solar system on 2026-10-14: Grechko is 3.68 au from the Sun and 4.53 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3148 |
| Provisional designation | 1979 SA12 |
| Orbit class | Main-belt Asteroid |
| Diameter | 17.0 km (#2,677 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0690 |
| Rotation period | 5.98 hours |
| Absolute magnitude (H) | 12.4 |
| Orbital period | 5.46 years |
| Semi-major axis | 3.10 au |
| Perihelion – aphelion | 2.51 – 3.70 au |
| Eccentricity | 0.192 |
| Inclination | 0.730° |
| Closest distance between its orbit and Earth's (MOID) | 1.51 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 24 September 1979
- (2777) Shukshin
- (2953) Vysheslavia
- (3006) Livadia
- (3073) Kursk
- (3170) Dzhanibekov
- (3306) Byron
- (3385) Bronnina
- (3535) Ditte
- (4237) Raushenbakh
- (4315) Pronik
- (4592) Alkissia
- (4658) Gavrilov