(842) Kerstin
Asteroid (842) Kerstin |
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Properties of the orbit ( animation ) | |
Orbit type | Main outer belt asteroid |
Major semi-axis | 3.2402 AU |
eccentricity | 0.1191 |
Perihelion - aphelion | 2.8541 AU - 3.6262 AU |
Inclination of the orbit plane | 14.5306 ° |
Length of the ascending node | 5.6711 ° |
Argument of the periapsis | 351.6036 ° |
Time of passage of the perihelion | July 21, 2020 |
Sidereal period | 5.83 a |
Mean orbital velocity | 16.56 km / s |
Physical Properties | |
Medium diameter | 43.576 (± 0.190) km |
Albedo | 0.051 (± 0.005) |
Absolute brightness | 10.6 mag |
history | |
Explorer | Max Wolf |
Date of discovery | October 1, 1916 |
Another name | 1916 AM |
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. |
(842) Kerstin is an asteroid of the outer main belt which was discovered by the German astronomer Max Wolf on October 1, 1916 at the Bergsternwarte Heidelberg ( IAU code 024).
The mean diameter of the asteroid is 43.576 (± 0.190) km, the albedo of 0.051 (± 0.005) suggests a very dark surface.
The reason for the naming "Kerstin" is not known.
Web links
- (842) Kerstin in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (842) Kerstin in the Small-Body Database of the Jet Propulsion Laboratory (English).
Individual evidence
- ^ Lutz D. Schmadel : Dictionary of Minor Planet Names . Springer, Heidelberg 1997, 3rd edition, ISBN 978-3-662-06617-1 , page 122 (English)