(2957) Tatsuo
|
Asteroid (2957) Tatsuo |
|
|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Outer main belt |
| Asteroid family | Eos family |
| Major semi-axis | 3.0187 ± 0.0002 AU |
| eccentricity | 0.0931 ± 0.0003 |
| Perihelion - aphelion | 2.7376 ± 0.0011 AU - 3.2999 ± 0.0002 AU |
| Inclination of the orbit plane | 8.7148 ± 0.0427 ° |
| Length of the ascending node | 249.4218 ± 0.2748 ° |
| Argument of the periapsis | 62.1611 ± 0.0377 ° |
| Time of passage of the perihelion | December 23, 2020 |
| Sidereal period | 5.25 a ± 0.1607 d |
| Physical Properties | |
| Medium diameter | 22.473 ± 0.107 km |
| Albedo | 0.211 ± 0.019 |
| Rotation period | 6.8191 h |
| Absolute brightness | 10.8 mag |
| Spectral class | SMASSII: K |
| history | |
| Explorer |
 Karl Wilhelm Reinmuth
|
| Date of discovery | February 5, 1934 |
| Another name | 1934 CB 1 ; 1935 FM; 1937 ™; 1952 OD; 1957 MB; 1958 TM 1 ; 1962 KC; 1978 LO; 1983 LA; A899 YES |
| 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. | |
(2957) Tatsuo ( 1934 CB 1 , 1935 FM ; 1937 TM ; 1952 OD ; 1957 MB ; 1958 TM 1 , 1962 KC ; 1978 LO ; 1983 LA ; A899 YES ) is about 22 kilometers in Asteroid of the outer main belt , the most February 5, 1934 by the German (then: Nazi state ) astronomer Karl Wilhelm Reinmuth at the State Observatory Heidelberg-Königstuhl on the west summit of the Königstuhl near Heidelberg ( IAU code 024). It belongs to the Eos family , a group of asteroids named after (221) Eos .
designation
(2957) Tatsuo was named after the Japanese astronomer Tatsuo Yamada (1923–2009), who studied variable stars . He was director of the variable stars division of the Oriental Astronomical Association . The name was proposed by the American astronomer Toshimasa Furuta .
See also
Web links
- (2957) Tatsuo in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (2957) Tatsuo in the Small-Body Database of the Jet Propulsion Laboratory .
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 pages, link.springer.com [ONLINE; accessed on September 25, 2019] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “1934 CB1. Discovered 1934 Feb. 5 by K. Reinmuth at Heidelberg. "
| predecessor | asteroid | successor |
|---|---|---|
| (2956) Yeomans | numbering | (2958) Arpetito |