(1012) Sarema
Asteroid (1012) Sarema |
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Properties of the orbit ( animation ) | |
Orbit type | Main belt asteroid |
Major semi-axis | 2.4805 AU |
eccentricity | 0.1337 |
Perihelion - aphelion | 2.1489 AU - 2.8121 AU |
Inclination of the orbit plane | 4.037 ° |
Sidereal period | 3 a 330 d |
Mean orbital velocity | 18.91 km / s |
Physical Properties | |
Medium diameter | 21.12 km |
Albedo | 0.430 |
Rotation period | 10.32 h |
Absolute brightness | 12,392 likes |
Spectral class | F. |
history | |
Explorer | KW Reinmuth |
Date of discovery | January 12, 1924 |
Another name | 1924 PM, 1954 XL, 1954 YF |
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. |
(1012) Sarema is an asteroid of the main belt that was discovered on January 12, 1924 by the German astronomer Karl Wilhelm Reinmuth , who worked at the observatory on the Königstuhl near Heidelberg .
The asteroid bears the name of a character from a poem by Alexander Sergejewitsch Pushkin , which also served as a template for an opera .
Its orbit has a semi-major axis of 2.4805 and an orbital eccentricity of 0.1337. Thus it moves at a distance of 2.1489 ( perihelion ) to 2.8121 ( aphelion ) astronomical units in 3.907 a around the sun . The orbit is 4.037 ° inclined to the ecliptic .
The asteroid has a diameter of 21.12 km and an albedo of 0.430. It rotates once around its own axis in about 10.32 hours.