(21999) Disora
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Asteroid (21999) Disora |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.6596 AU |
| eccentricity | 0.1605 |
| Perihelion - aphelion | 2.2327 AU - 3.0864 AU |
| Inclination of the orbit plane | 14.3259 ° |
| Length of the ascending node | 78.8625 ° |
| Argument of the periapsis | 190.7186 ° |
| Sidereal period | 4.34 a |
| Mean orbital velocity | 18.26 km / s |
| Physical Properties | |
| Absolute brightness | 13.1 mag |
| history | |
| Explorer | Franco Mallia |
| Date of discovery | December 7, 1999 |
| Another name | 1999 XS 38 , 1990 VN 11 |
| 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. | |
(21999) Disora is an asteroid of the main belt that was discovered on December 7, 1999 by the Italian amateur astronomer Franco Mallia at the Campo Catino Observatory ( observatory code 468) in the municipality of Guarcino .
The asteroid is named after the Italian amateur astronomer Mario Di Sora , president of the Unione Astrofili Italiani and founder of the Campo Catino observatory.
See also
Web links
- Asteroid Disora: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (21999) Disora in the Small-Body Database of the Jet Propulsion Laboratory (English).
- (21999) Disora in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).