(6859) Datemasamune
|
Asteroid (6859) Datemasamune |
|
|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Inner main belt |
| Major semi-axis | 1.8337 AU |
| eccentricity | 0.0138 |
| Perihelion - aphelion | 1.8084 AU - 1.8590 AU |
| Inclination of the orbit plane | 23.1996 ° |
| Length of the ascending node | 154.0562 ° |
| Argument of the periapsis | 129.8739 ° |
| Sidereal period | 2.48 a |
| Mean orbital velocity | 21.99 km / s |
| Physical Properties | |
| Medium diameter | 3.805 (± 0.158) km |
| Albedo | 0.404 (± 0.042) |
| Rotation period | 5.2879 h |
| Absolute brightness | 13.9 likes |
| history | |
| Explorer | M. Koishikawa |
| Date of discovery | February 13, 1991 |
| Another name | 1991 CZ |
| 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. | |
(6859) Datemasamune is an asteroid of the main belt , the February 13, 1991 by Japanese astronomers Masahiro Koishikawa at the Ayashi Station of the Sendai Astronomical Observatory in Sendai was discovered.
It was named on February 2, 1999 after the Japanese feudal lord Date Masamune (1567-1636), a follower of Tokugawa Ieyasu , who had Sendai Castle built in 1601 .
See also
Web links
- Asteroid Datemasamune: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (6859) Datemasamune in the Small-Body Database of the Jet Propulsion Laboratory (English).
- (6859) Datemasamune in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).