(12222) Perotto
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Asteroid (12222) Perotto |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Middle main belt |
| Major semi-axis | 2.62 AU |
| eccentricity | 0.182 |
| Perihelion - aphelion | 2.143 AU - 3.097 AU |
| Inclination of the orbit plane | 10.8 ° |
| Length of the ascending node | 254.1 ° |
| Argument of the periapsis | 209.5 ° |
| Sidereal period | 1549 d |
| Mean orbital velocity | 18.25 km / s |
| Physical Properties | |
| Absolute brightness | 13.7 mag |
| history | |
| Explorer | San Vittore Observatory |
| Date of discovery | 19th November 1982 |
| Another name | 1982 WA |
| 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. | |
(12222) Perotto is an asteroid of the central main belt discovered on November 19, 1982 in the Italian observatory San Vittore ( IAU code 552) in Bologna .
It was named in honor of the Italian electrical engineer Pier Giorgio Perotto (1930-2002).
See also
Web links
- Asteroid Perotto: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (12222) Perotto in the Small-Body Database of the Jet Propulsion Laboratory (English).
- (12222) Perotto in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).