(4920) Gromov
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Asteroid (4920) Gromov |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.6878 AU |
| eccentricity | 0.0854 |
| Perihelion - aphelion | 2.4582 AU - 2.9173 AU |
| Inclination of the orbit plane | 2.4237 ° |
| Length of the ascending node | 190.0896 ° |
| Argument of the periapsis | 209.6689 ° |
| Sidereal period | 4.41 a |
| Mean orbital velocity | 18.16 km / s |
| Physical Properties | |
| Absolute brightness | 12.9 mag |
| history | |
| Explorer | NS Tschernych |
| Date of discovery | August 8, 1978 |
| Another name | 1978 PY 2 , 1977 KZ 1 , 1987 SM 1 |
| Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items. | |
(4920) Gromov is an asteroid of the main belt that was discovered on August 8, 1978 by the Russian astronomer Nikolai Stepanowitsch Tschernych at the Crimean Observatory in Nautschnyj ( IAU code 095).
The asteroid was named on April 2, 1999 after the Soviet pilot Mikhail Mikhailovich Gromov (1899–1985), who set numerous long-distance records as a test pilot and, in addition to the title Hero of the Soviet Union, received the Order of Lenin four times and was the first Soviet pilot to receive the De la Vaulx Medal the FAI .
See also
Web links
- Asteroid Gromov: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- Asteroid Gromov in the Small-Body Database of NASA's Jet Propulsion Laboratory at the California Institute of Technology, Pasadena, USA
- (4920) Gromov in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).