(2646) Abetti
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Asteroid (2646) Abetti |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Asteroid family | Eos family |
| Major semi-axis | 3.0119 AU |
| eccentricity | 0.0984 |
| Perihelion - aphelion | 2.7156 AU - 3.3082 AU |
| Inclination of the orbit plane | 9.6654 ° |
| Sidereal period | 5.23 a |
| Mean orbital velocity | 17.16 km / s |
| Physical Properties | |
| Medium diameter | 22.38 km (± 2.1) |
| Albedo | 0.0808 |
| Absolute brightness | 11.3 mag |
| history | |
| Explorer | NS Tschernych |
| Date of discovery | March 13, 1977 |
| Another name | 1977 EC 1 , 1943 VE, 1948 UA, 1953 TZ 1 , 1971 BZ, 1979 QP 7 , 1979 SJ 3 , 1989 FB |
| 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. | |
(2646) Abetti is an asteroid of the main belt , which was discovered on March 13, 1977 by the Russian astronomer Nikolai Stepanowitsch Tschernych at the Crimean Observatory in Nautschnyj .
The asteroid belongs to the Eos family, a group of asteroids which typically have large semiaxes from 2.95 to 3.1 AU, bounded inward by the Kirkwood gap of the 7: 3 resonance with Jupiter , and orbital inclinations between 8 ° and 12 °. The group is named after the asteroid (221) Eos . The family is believed to have emerged from a collision more than a billion years ago.
It was named in honor of the Italian astronomer Antonio Abetti and his son Giorgio .
See also
Web links
- Asteroid Abetti: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (2646) Abetti in the Small-Body Database of the Jet Propulsion Laboratory (English).
- (2646) Abetti in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
Individual evidence
- ↑ The family status of the asteroids in the AstDyS-2 database (English, HTML; 51.4 MB)
- ↑ David Vokrouhlický , Miroslav Brož , Alessandro Morbidelli , William Bottke , David Nesvorný , Daniel Lazzaro, Andy Rivkin: Yarkovsky footprints in the Eos family ( PDF , English)