(1273) Helma
Asteroid (1273) Helma |
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Properties of the orbit ( animation ) | |
Orbit type | Main belt asteroid |
Asteroid family | Vesta family |
Major semi-axis | 2.3939 AU |
eccentricity | 0.1614 |
Perihelion - aphelion | 2.0075 AU - 2.7802 AU |
Inclination of the orbit plane | 5.413 ° |
Sidereal period | 3,704 a |
Mean orbital velocity | 19.25 km / s |
Physical Properties | |
Medium diameter | 30 km |
Dimensions | ? | kg
Albedo | ? |
Medium density | ? g / cm³ |
Rotation period | ? H |
Absolute brightness | 12.9 mag |
Spectral class | ? |
history | |
Explorer | K. Reinmuth |
Date of discovery | August 8, 1932 |
Another name | 1932 PF |
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. |
(1273) Helma is an asteroid of the main belt that was discovered on August 8, 1932 by the German astronomer Karl Wilhelm Reinmuth at the Heidelberg-Königstuhl State Observatory at the University of Heidelberg .
The asteroid is named after a friend of the German astronomer Werner Schaub.
See also
Individual evidence
- ^ Lutz D. Schmadel: Dictionary of Minor Planet Names . 4th edition. Springer, Berlin 1999, ISBN 3-540-66292-8 .