(12219) Grigor'ev Main-belt Asteroid
Discovered on 19 September 1982 by L. I. Chernykh at Nauchnyj.
From 1957 to 1962 Mikhail Grigorʹevich Grigorʹev (1917–1981) was chief of the space-vehicle launch site now known as the Plesetsk cosmodrome. Under his leadership and thanks to his strong will this cosmodrome in the Arkhangelsk region of Russia became the most active in the world.Naming citation (WGSBN Bull. 6, #10, 6), IAU / Minor Planet Center, via NASA/JPL
Where Grigor'ev is today
Seen from above the solar system on 2026-10-14: Grigor'ev is 2.45 au from the Sun and 2.12 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12219 |
| Provisional designation | 1982 SC8 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.07 km (#15,045 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.392 |
| Absolute magnitude (H) | 14.4 |
| Orbital period | 3.33 years |
| Semi-major axis | 2.23 au |
| Perihelion – aphelion | 1.84 – 2.62 au |
| Eccentricity | 0.175 |
| Inclination | 3.30° |
| Closest distance between its orbit and Earth's (MOID) | 0.826 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Mikhail
- (2205) Glinka
- (2222) Lermontov
- (4729) Mikhailmil'
- (4920) Gromov
- (5043) Zadornov
- (5931) Zhvanetskij
- (6214) Mikhailgrinev
- (6538) Muraviov
- (7161) Golitsyn
- (7268) Chigorin
- (7322) Lavrentina
- (7370) Krasnogolovets
All asteroids named after someone called Mikhail