(7291) Hyakutake
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Asteroid (7291) Hyakutake |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt |
| Major semi-axis | 3.126 AU |
| eccentricity | 0.232 |
| Perihelion - aphelion | 2.402 AU - 3.85 AU |
| Inclination of the orbit plane | 8.4 ° |
| Length of the ascending node | 84 ° |
| Argument of the periapsis | 303 ° |
| Time of passage of the perihelion | March 9, 2019 |
| Sidereal period | 5.53 a |
| Mean orbital velocity | 16.6 km / s |
| Physical Properties | |
| Medium diameter | (15.9 ± 0.4) km |
| Albedo | 0.12 |
| Absolute brightness | 12.1 mag |
| history | |
| Explorer | Satoru Ōtomo |
| Date of discovery | December 13, 1991 |
| Another name | 1991 XC 1 , 1974 VE 3 , 1974 WO 1 , 1987 AP |
| 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. | |
(7291) Hyakutake is a main belt asteroid that was discovered on December 13, 1991 by the Japanese amateur astronomer S. Ōtomo in Kiyosato , Yamanashi at a magnitude of 16.5 mag. The asteroid was subsequently detected on recordings made in November 1974 at the El Leoncito observatory in Argentina and in 1987 at the Observatoire de Calern in France .
The asteroid was named on May 23, 2000 at the suggestion of Hiroaki Hayashi after the Japanese amateur astronomer Yūji Hyakutake . Hyakutake discovered two comets in 1995 and 1996 , including the Great Comet of 1996, C / 1996 B2 (Hyakutake) .
See also
Web links
- (7291) Hyakutake in the Small-Body Database of the Jet Propulsion Laboratory (English).
Individual evidence
- ↑ (7291) Hyakutake at the IAU Minor Planet Center (English)