(7217) Dachshund
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Asteroid (7217) Dachshund |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main outer belt asteroid |
| Major semi-axis | 3.2139 AU |
| eccentricity | 0.1662 |
| Perihelion - aphelion | 2.6799 AU - 3.7480 AU |
| Inclination of the orbit plane | 10.1461 ° |
| Length of the ascending node | 325.4977 ° |
| Argument of the periapsis | 354.5496 ° |
| Time of passage of the perihelion | August 31, 2019 |
| Sidereal period | 5.76 a |
| Mean orbital velocity | 16.63 km / s |
| Physical Properties | |
| Medium diameter | 24.418 (± 0.198) km |
| Albedo | 0.089 (± 0.015) |
| Absolute brightness | 11.4 mag |
| history | |
| Explorer | Claes-Ingvar Lagerkvist |
| Date of discovery | 22nd August 1979 |
| Another name | 1979 QX 3 , 1991 TG 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. | |
(7217) Dacke is an asteroid of the main outer belt , which was discovered on August 22, 1979 by the Swedish astronomer Claes-Ingvar Lagerkvist at the La Silla Observatory of the European Southern Observatory in Chile ( IAU code 809).
The mean diameter of the asteroid was calculated to be 24.418 (± 0.198) km . The albedo of 0.089 (± 0.015) indicates a rather dark surface.
(7217) Dacke was named on February 11, 1998 after the Swedish peasant and resistance leader Nils Dacke († 1543), the leader of the so-called Dacke uprising against Gustav I. Wasa .
Web links
- (7217) Dacke in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (7217) Dacke in the Small-Body Database of the Jet Propulsion Laboratory of NASA at the California Institute of Technology (Caltech) in Pasadena , California (English)
- Discovery Circumstances of (7217) Dacke according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics in Cambridge , Massachusetts (English)