(522) Helga
Asteroid (522) Helga |
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Properties of the orbit ( animation ) | |
Orbit type | Main belt asteroid |
Major semi-axis | 3,626 AU |
eccentricity | 0.076 |
Perihelion - aphelion | 3.351 AU - 3.901 AU |
Inclination of the orbit plane | 4.4 ° |
Length of the ascending node | 117 ° |
Argument of the periapsis | 238.3 ° |
Time of passage of the perihelion | July 25, 2012 |
Sidereal period | 6 a 331 d |
Mean orbital velocity | 15.6 km / s |
Physical Properties | |
Medium diameter | approx. 101 km |
Albedo | 0.04 |
Rotation period | 8.1 h |
Absolute brightness | 9.1 mag |
Spectral class | X |
history | |
Explorer | Max Wolf |
Date of discovery | January 10, 1904 |
Another name | 1904 NC, 1936 QP |
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. |
(522) Helga is an asteroid of the main belt that was discovered on January 10, 1904 by the German astronomer Max Wolf in Heidelberg .
The origin of the name is unknown.