(2958) Arpetito
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Asteroid (2958) Arpetito |
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| Properties of the orbit ( animation ) | |
| Orbit type | Outer main belt |
| Asteroid family | Koronis family |
| Major semi-axis | 2.874 ± 0.0001 AU |
| eccentricity | 0.0128 ± 0.0003 |
| Perihelion - aphelion | 2.8372 ± 0.001 AU - 2.9108 ± 0.0001 AU |
| Inclination of the orbit plane | 1.0214 ± 0.0395 ° |
| Length of the ascending node | 297.4712 ± 0.0002 ° |
| Argument of the periapsis | 313.6838 ± 0.0003 ° |
| Time of passage of the perihelion | May 25, 2021 |
| Sidereal period | 4.87 a ± 0.1245 d |
| Physical Properties | |
| Medium diameter | 8.916 ± 0.244 km |
| Albedo | 0.293 ± 0.045 |
| Absolute brightness | 12.4 mag |
| history | |
| Explorer |
 Henri Debehogne , Giovanni de Sanctis
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| Date of discovery | February 28, 1981 |
| Another name | 1981 DG ; 1969 VJ; 1972 HM; 1974 WQ; 1976 YES; 1979 YA 2 ; 1983 RQ |
| 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. | |
(2958) Arpetito ( 1981 DG ; 1969 VJ ; 1972 HM ; 1974 WQ ; 1976 JA ; 1979 YA 2 ; 1983 RQ ) is an approximately nine kilometers large asteroid of the outer main belt that was discovered on February 28, 1981 by the Belgian astronomer Henri Debehogne and was discovered by the Italian astronomer Giovanni de Sanctis at the La Silla Observatory on La Silla in La Higuera in Chile ( IAU code 809). It belongs to the Koronis family , a group of asteroids named after (158) Koronis .
designation
(2958) Arpetito was named after the astronomers Ernesto Ar aya , J. Pe rez , Roberto Ti ghe and A. To rrecon , who prepared the Grand Prism Objectif at the La Silla Observatory.
See also
Web links
- (2958) Arpetito in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (2958) Arpetito 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): “1981 DG. Discovered 1981 Feb. 28 by H. Debehogne and G. DeSanctis at La Silla. "
| predecessor | asteroid | successor |
|---|---|---|
| (2957) Tatsuo | numbering | (2959) Scholl |