(21082) Araimasaru
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Asteroid (21082) Araimasaru |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Asteroid family | Astraea family |
| Major semi-axis | 2.5714 AU |
| eccentricity | 0.3079 |
| Perihelion - aphelion | 1.7797 AU - 3.3631 AU |
| Inclination of the orbit plane | 6.0035 ° |
| Length of the ascending node | 45.6082 ° |
| Argument of the periapsis | 2.5202 ° |
| Sidereal period | 4.12 a |
| Mean orbital velocity | 18.55 km / s |
| Physical Properties | |
| Absolute brightness | 14.8 mag |
| history | |
| Explorer |
T. Hioki S. Hayakawa |
| Date of discovery | October 13, 1991 |
| Another name | 1991 TG 2 , 1993 FK 12 |
| 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. | |
(21082) Araimasaru is an asteroid of the main belt , which on 13 October 1991 by the Japanese astronomer Tsutomu Hioki and Shuji Hayakawa at the observatory in Okutama ( IAU code 877) in Tokyo was discovered.
The asteroid was named on January 6, 2003 after the Japanese astronomer Masaru Arai (* 1952).
See also
Web links
- Asteroid Araimasaru: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (21082) Araimasaru in the Small-Body Database of the Jet Propulsion Laboratory (English).
- (21082) Araimasaru in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).