(578) Happelia
Asteroid (578) Happelia |
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Properties of the orbit ( animation ) | |
Orbit type | Middle main belt |
Major semi-axis | 2.75 AU |
eccentricity | 0.194 |
Perihelion - aphelion | 2.216 AU - 3.284 AU |
Inclination of the orbit plane | 6.2 ° |
Length of the ascending node | 29.4 ° |
Argument of the periapsis | 261.9 ° |
Time of passage of the perihelion | June 28, 2009 |
Sidereal period | 4 a 204 d |
Mean orbital velocity | 17.8 km / s |
Physical Properties | |
Medium diameter | 69.30 km |
Albedo | 0.0769 |
Rotation period | 10 h 4 min |
Absolute brightness | 9.2 likes |
history | |
Explorer | Max Wolf |
Date of discovery | November 1, 1905 |
Another name | 1905 RZ, 1958 HN, A899 KA |
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. |
(578) Happelia is an asteroid of the main belt that was discovered on November 1, 1905 by the German astronomer Max Wolf in Heidelberg .
The asteroid was named after the German painter Carl Happel , who financially supported the observatory.