(2654) Ristenpart

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Asteroid
(2654) Ristenpart
Properties of the orbit ( animation )
Epoch:  June 27, 2015 ( JD 2,457,200.5)
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 .

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