(2158) Tietjen
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Asteroid (2158) Tietjen |
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| Properties of the orbit ( animation ) | |
| Orbit type | Outer main belt |
| Major semi-axis | 3.067 AU |
| eccentricity | 0.183 |
| Perihelion - aphelion | 2.507 AU - 3.626 AU |
| Inclination of the orbit plane | 1.586 ° |
| Length of the ascending node | 187.325 ° |
| Argument of the periapsis | 102.023 ° |
| Time of passage of the perihelion | January 27, 2014 |
| Sidereal period | 5.37 a |
| Physical Properties | |
| Medium diameter | 22.658 (± 0.259) km |
| Albedo | 0.066 (± 0.014) |
| Absolute brightness | 11.6 mag |
| history | |
| Explorer | Karl Wilhelm Reinmuth |
| Date of discovery | July 24, 1933 |
| Another name | 1933 OS; 1928 SS; 1949 QR 1 ; 1955 RL 1 ; 1959 GX; 1961 VV; 1976 OG 1 |
| 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. | |
(2158) Tietjen ( 1933 OS ; 1928 SS ; 1949 QR 1 ; 1955 RL 1 ; 1959 GX ; 1961 VV ; 1976 OG 1 ) is an asteroid of the outer main belt of the on August 24, 1936 by Karl Wilhelm Reinmuth at the State Observatory Heidelberg- Königstuhl was discovered.
designation
The asteroid was named after Friedrich Tietjen (1832–1895), a professor of astronomy at the Humboldt University in Berlin . From 1874 he was director of the Astronomical Computing Institute . For many years he was the author of the series of publications Berliner Astronomisches Jahrbuch and Nautisches Jahrbuch .
Web links
- Asteroid Tietjen: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (2158) Tietjen in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
Individual evidence
- ^ Lutz D. Schmadel : Dictionary of Minor Planet Names . Fifth Revised and Enlarged Edition. Ed .: Lutz D. Schmadel. 5th edition. Springer Verlag , Berlin , Heidelberg 2003, ISBN 978-3-540-29925-7 , pp. 175 (English, 992 pp., Link.springer.com [ONLINE; accessed on September 8, 2016] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “Named in memory of Friedrich Tietjen”