(21685) Francomallia
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Asteroid (21685) Francomallia |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Asteroid family | Koronis family |
| Major semi-axis | 2.8950 AU |
| eccentricity | 0.0706 |
| Perihelion - aphelion | 2.6906 AU - 3.0995 AU |
| Inclination of the orbit plane | 0.9951 ° |
| Length of the ascending node | 250.4489 ° |
| Sidereal period | 4.93 a |
| Mean orbital velocity | 17.51 km / s |
| Physical Properties | |
| Absolute brightness | 14.4 mag |
| history | |
| Explorer | Gianluca Masi |
| Date of discovery | September 11, 1999 |
| Another name | 1999 RL 35 , 1979 QG 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. | |
(21685) Francomallia is an asteroid of the main belt , which was discovered on September 11, 1999 by the Italian amateur astronomer Gianluca Masi at the Osservatorio Astronomico Bellatrix ( observatory code 470) in Ceccano .
The asteroid is named after the Italian amateur astronomer Franco Mallia (* 1961), who has worked at the Campo Catino Observatory since 1974 , where he is dedicated to popularizing astronomy .
See also
Web links
- Asteroid Francomallia: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (21685) Francomallia in the Small-Body Database of the Jet Propulsion Laboratory (English).
- (21685) Francomallia in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).