(21795) Masi
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Asteroid (21795) Masi |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Asteroid family | Hertha family |
| Major semi-axis | 2.3820 AU |
| eccentricity | 0.1918 |
| Perihelion - aphelion | 1.9251 AU - 2.8390 AU |
| Inclination of the orbit plane | 1.8389 ° |
| Length of the ascending node | 337.1179 ° |
| Sidereal period | 3.68 a |
| Mean orbital velocity | 19.30 km / s |
| Physical Properties | |
| Absolute brightness | 15.4 mag |
| history | |
| Explorer | Franco Mallia |
| Date of discovery | September 29, 1999 |
| Another name | 1999 SN 9 , 1988 UE, 1993 BZ 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. | |
(21795) Masi is an asteroid of the main belt , which on 29 September 1999 by the Italian astronomer Franco Mallia at Campo Catino Observatory ( observatory code 468) in the town of Guarcino was discovered.
The asteroid is named after the Italian amateur astronomer Gianluca Masi (* 1972), who has worked at the Campo Catino Observatory since 1988 and is dedicated to the study of asteroids and variable stars , mainly cataclysmic variables .
See also
Web links
- Asteroid Masi: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (21795) Masi in the Small-Body Database of the Jet Propulsion Laboratory (English).
- (21795) Masi in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).