(2447) Kronstadt
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Asteroid (2447) Kronstadt |
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| Properties of the orbit ( animation ) | |
| Orbit type | Middle main belt asteroid |
| Major semi-axis | 2.5371 AU |
| eccentricity | 0.2644 |
| Perihelion - aphelion | 1.8663 AU - 3.2078 AU |
| Inclination of the orbit plane | 8.7854 ° |
| Length of the ascending node | 146.9359 ° |
| Argument of the periapsis | 209.8261 ° |
| Sidereal period | 4.04 a |
| Mean orbital velocity | 18.70 km / s |
| Physical Properties | |
| Absolute brightness | 12.7 mag |
| history | |
| Explorer | Tamara Smirnova |
| Date of discovery | 13th August 1973 |
| Another name | 1973 QY 1 , 1961 TD 1 , 1965 UC, 1977 QS 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. | |
(2447) Kronstadt is an asteroid of the central main belt , which was discovered by the Soviet astronomer Tamara Smirnova on August 13, 1973 at the Crimean Observatory in Nautschnyj ( IAU code 095). The asteroid had already been sighted in 1961 under the provisional designation 1961 TD 1 at the Goethe Link Observatory in Indiana and on October 26, 1965 (1965 UC) at the Crimean Observatory in Nautschnyj.
The solar orbit of (2447) Kronstadt is strongly elliptical with an eccentricity of 0.2644 .
The asteroid was named on February 8, 1982 after Kronstadt , a city and former fortress on the Baltic island of Kotlin off Saint Petersburg in Russia . It is particularly emphasized in the naming text that Kronstadt played an important role in the defense of Saint Petersburg from German attacks during World War II .
Web links
- (2447) Kronstadt in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (2447) Kronstadt in the Small-Body Database of the Jet Propulsion Laboratory (English).
- Discovery Circumstances of (2447) Kronstadt according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics in Cambridge , Massachusetts (English)
Individual evidence
- ↑ (2447) Kronstadt at the IAU Minor Planet Center (English)