(2654) Ristenpart
| Asteroid (2654) Ristenpart | |
|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main outer belt asteroid | 
| Major semi-axis | 3.0494 AU | 
| eccentricity | 0.0918 | 
| Perihelion - aphelion | 2.694 AU - 3.3295 AU | 
| Inclination of the orbit plane | 7.4334 ° | 
| Length of the ascending node | 206.4481 ° | 
| Argument of the periapsis | 38.9884 ° | 
| Sidereal period | 5.33 a | 
| Mean orbital velocity | 17.06 km / s | 
| Physical Properties | |
| Medium diameter | 20.52 (± 1.3) km | 
| Albedo | 0.0419 (± 0.006) | 
| Absolute brightness | 12.7 mag | 
| history | |
| Explorer | S. Cofré , Carlos Torres | 
| Date of discovery | July 18, 1968 | 
| Another name | 1968 upper floor , 1978 YES 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. | |
(2654) Ristenpart is an asteroid of the main outer belt , which was discovered by the Chilean astronomers S. Cofré and Carlos Torres on July 18, 1968 at the Observatorio Cerro El Roble ( IAU code 805).
The asteroid has a dark surface with an albedo of 0.0419 (± 0.006) and a mean diameter of 20.52 (± 1.3) kilometers.
(2654) Ristenpart was named on March 26, 1986 after the German astronomer Friedrich Wilhelm Ristenpart . From 1908 Ristenpart was director of the Chilean national observatory in Santiago de Chile and responsible for the move of the observatory to Lo Espejo .
Web links
- (2654) Ristenpart in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (2654) Ristenpart in the Small-Body Database of the Jet Propulsion Laboratory .
- (2654) Ristenpart at the IAU Minor Planet Center (English)
