(2470) Agematsu
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Asteroid (2470) Agematsu |
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| Properties of the orbit ( animation ) | |
| Orbit type | Outer main belt |
| Asteroid family | Koronis family |
| Major semi-axis | 2.89 ± 0.0002 AU |
| eccentricity | 0.011 ± 0.0005 |
| Perihelion - aphelion | 2.8583 ± 0.0002 AU - 2.9218 ± 0.0002 AU |
| Inclination of the orbit plane | 3.1094 ± 0.0382 ° |
| Length of the ascending node | 79.4243 ± 0.0001 ° |
| Argument of the periapsis | 95.3413 ± 0.0002 ° |
| Time of passage of the perihelion | January 28, 2018 |
| Sidereal period | 4.91 a ± 0.1466 d |
| Physical Properties | |
| Medium diameter | 11.469 ± 0.187 km |
| Albedo | 0.213 ± 0.027 |
| Absolute brightness | 11.8 mag |
| history | |
| Explorer |
 Hiroki Kōsai , Kiichirō Furukawa
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| Date of discovery | October 22, 1976 |
| Another name | 1976 UW 15 ; 1940 LA; 1971 SV 1 ; 1973 AU; 1976 SW 5 ; 1981 WH 4 |
| 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. | |
(2470) Agematsu ( 1976 UW 15 ; 1940 LA ; 1971 SV 1 ; 1973 AU ; 1976 SW 5 ; 1981 WH 4 ) is an approximately eleven kilometer asteroid of the outer main belt that was discovered by the Japanese astronomer Hiroki Kōsai on October 22, 1976 and Kiichirō Furukawa at the Kiso Observatory on Mount Ontake-san in Kiso-machi in Kiso-gun County , Nagano Prefecture in Japan ( IAU code 381). It belongs to the Koronis family, a group of asteroids named after (158) Koronis .
designation
(2470) Agematsu was named after the Japanese city of Agematsu as it is one of the three cities that make up the Kiso Obersvatorium. The asteroids (2924) Mitake-mura and (2960) Ohtaki were named after the other two cities .
See also
Web links
- (2470) Agematsu in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (2470) Agematsu 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 pp., Link.springer.com [ONLINE; accessed on August 14, 2019] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “1976 UW 15 . Discovered 1976 Oct. 22 by H. Kosai and K. Hurukawa at Kiso. "