(1273) Helma
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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 .