(2474) Ruby
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Asteroid (2474) Ruby |
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| Properties of the orbit ( animation ) | |
| Orbit type | Middle main belt |
| Major semi-axis | 2.6823 ± 0.0001 AU |
| eccentricity | 0.2213 ± 0.0004 |
| Perihelion - aphelion | 2.0887 ± 0.0012 AU - 3.2759 ± 0.0001 AU |
| Inclination of the orbit plane | 7.528 ± 0.0491 ° |
| Length of the ascending node | 237.8084 ± 0.2727 ° |
| Argument of the periapsis | 14.2511 ± 0.2864 ° |
| Time of passage of the perihelion | 19th August 2018 |
| Sidereal period | 4.39 a ± 0.1065 d |
| Physical Properties | |
| Medium diameter | 23.897 ± 0.132 km |
| Albedo | 0.059 ± 0.008 |
| Absolute brightness | 11.8 mag |
| history | |
| Explorer |
 Zdeňka Vávrová
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| Date of discovery | October 22, 1976 |
| Another name | 1979 PB ; 1926 NA; 1948 NC; 1948 hp; 1952 HL; 1962 SK; 1978 EE 7 |
| 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. | |
(2474) Ruby ( 1979 PB ; 1926 NA ; 1948 NC ; 1948 PS ; 1952 HL ; 1962 SK ; 1978 EE 7 ) is an approximately 24 kilometers large asteroid of the central main belt , which was released on October 22, 1976 by the Czech (then: Czechoslovakia ) astronomer Zdeňka Vávrová was discovered at the Kleť observatory on the Kleť near Český Krumlov in the Czech Republic ( IAU code 046).
designation
(2474) Ruby was named after the dog of the explorer Zdeňka Vávrová, who lived at the Kleť observatory at the time.
See also
Web links
- (2474) Ruby in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (2474) Ruby 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): “1979 PB. Discovered 1979 Aug. 14 by Z. Vávrová at Kleť. ”