(538) Friederike
Asteroid (538) Friederike |
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Properties of the orbit ( animation ) | |
Orbit type | Outer main belt |
Asteroid family | Hygiea family |
Major semi-axis | 3,162 AU |
eccentricity | 0.165 |
Perihelion - aphelion | 2.64 AU - 3.684 AU |
Inclination of the orbit plane | 6.5 ° |
Length of the ascending node | 141.3 ° |
Argument of the periapsis | 228.5 ° |
Time of passage of the perihelion | April 18, 2012 |
Sidereal period | 5 a 227 d |
Mean orbital velocity | 16.6 km / s |
Physical Properties | |
Medium diameter | 72.48 km |
Albedo | 0.0641 |
Rotation period | 27 h 0 min |
Absolute brightness | 9.3 mag |
history | |
Explorer | Paul Goetz |
Date of discovery | July 18, 1904 |
Another name | 1904 OK |
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. |
(538) Friederike is an asteroid of the main belt that was discovered on July 18, 1904 by the German astronomer Paul Götz in Heidelberg .
The asteroid was named after a friend of the discoverer.