(10509) Heinrichkayser

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Asteroid
(10509) Heinrichkayser
Properties of the orbit ( animation )
Epoch:  December 9, 2014 ( JD 2,457,000.5)
Orbit type Main belt asteroid
Major semi-axis 3.0584  AU
eccentricity 0.1905
Perihelion - aphelion 2.4759 AU - 3.6410 AU
Inclination of the orbit plane 4.8934 °
Length of the ascending node 194.8896 °
Argument of the periapsis 242.8534 °
Sidereal period 5.35 a
Mean orbital velocity 17.01 km / s
Physical Properties
Rotation period 6.5639 h
Absolute brightness 12.8 mag
history
Explorer Eric Walter Elst
Date of discovery April 3, 1989
Another name 1989 GD 4 , 1971 XD, 1976 UW 4 , 1983 BK, 1986 RS 4 , 1999 BC 25
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.

(10509) Heinrich Kayser is an asteroid of the main belt , which on April 3, 1989 by the Belgian astronomer Eric Walter Elst at the La Silla Observatory ( IAU code 809) of the European Southern Observatory in Chile was discovered.

The asteroid was named on March 20, 2000 after the German physicist Heinrich Gustav Johannes Kayser (1853–1940), who discovered the occurrence of helium in the earth's atmosphere .

See also

Web links