(2879) Shimizu
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Asteroid (2879) Shimizu |
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| Properties of the orbit ( animation ) | |
| Orbit type | Middle main belt |
| Major semi-axis | 2.7693 ± 0.0001 AU |
| eccentricity | 0.1415 ± 0.0005 |
| Perihelion - aphelion | 2.3774 ± 0.0014 AU - 3.1612 ± 0.0002 AU |
| Inclination of the orbit plane | 10.7165 ± 0.051 ° |
| Length of the ascending node | 149.2428 ± 0.2238 ° |
| Argument of the periapsis | 25.1744 ± 0.2564 ° |
| Time of passage of the perihelion | 20th October 2019 |
| Sidereal period | 4.61 a ± 0.1243 d |
| Physical Properties | |
| Medium diameter | 21.762 ± 0.126 km |
| Albedo | 0.115 ± 0.080 |
| Rotation period | ≈18.72 ± 5.616 |
| Absolute brightness | 11.9 likes |
| Spectral class | SMASSII: X |
| history | |
| Explorer |
.svg){kind=small} Karl Wilhelm Reinmuth
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| Date of discovery | February 14, 1932 |
| Another name | 1932 CB 1 ; 1928 YES; 1975 RG 1 ; 1978 EV 6 ; 1980 TN 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. | |
(2879) Shimizu ( 1932 CB 1 ; 1928 JA ; 1975 RG 1 ; 1978 EV 6 ; 1980 TN 1 ) is an approximately 22-kilometer asteroid of the central main belt that was discovered on February 14, 1932 by the German (then: Weimar Republic ) astronomer Karl Wilhelm Reinmuth was discovered at the State Observatory Heidelberg-Königstuhl on the western summit of the Königstuhl near Heidelberg ( IAU code 024).
designation
(2879) Shimizu was named after the Japanese Shin-ichi Shimizu (* 1889), a pioneer of astrophotography among Japanese amateur astronomers . In 1937 he rediscovered the periodic comet 33P / Daniel , which had been lost in 1909/10. The naming was suggested by the Japanese astronomer Takeshi Urata .
See also
Web links
- (2879) Shimizu in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (2879) Shimizu in the Small-Body Database of the Jet Propulsion Laboratory (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. 186 (English, 992 pp., Link.springer.com [ONLINE; accessed on September 21, 2019] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “1932 CB1. Discovered 1932 Feb. 14 by K. Reinmuth at Heidelberg. "
| predecessor | asteroid | successor |
|---|---|---|
| (2878) Panacea | numbering | (2880) Nihondaira |