(2405) Welch
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Asteroid (2405) Welch |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Outer main belt |
| Asteroid family | Themis family |
| Major semi-axis | 3.2044 ± 0.0002 AU |
| eccentricity | 0.1369 ± 0.0004 |
| Perihelion - aphelion | 2.7659 ± 0.0013 AU - 3.643 ± 0.0001 AU |
| Inclination of the orbit plane | 2.2507 ± 0.0451 ° |
| Length of the ascending node | 128.075 ± 0.0001 ° |
| Argument of the periapsis | 3.2110 ± 0.0001 ° |
| Time of passage of the perihelion | March 6, 2017 |
| Sidereal period | 5.74 a ± 0.1823 d |
| Physical Properties | |
| Medium diameter | 22.360 ± 0.412 km |
| Albedo | 0.052 ± 0.007 |
| Absolute brightness | 12.09 mag |
| Spectral class | BCU |
| history | |
| Explorer |
 Indiana Asteroid Program
|
| Date of discovery | October 18, 1963 |
| Another name | 1963 UF ; 1965 AG 1 ; 1969 VV; 1972 JQ 1 ; 1974 RR; 1975 flat share 1 ; 1977 DN 9 ; 1977 FV 1 ; 1979 OJ 6 ; 1980 RC 2 ; 1980 TF; 1981 YB 2 |
| 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. | |
(2405) Welch ( 1963 UF ; 1965 AG 1 ; 1969 VV ; 1972 JQ 1 ; 1974 RR ; 1975 WG 1 ; 1977 DN 9 ; 1977 FV 1 ; 1979 OJ 6 ; 1980 RC 2 ; 1980 TF ; 1981 YB 2 ) an approximately 14 miles large asteroid of the main outer belt discovered on October 18, 1963 as part of the Indiana Asteroid Program at the Goethe Link Observatory in Brooklyn , Indiana ( IAU code 760). A total of 119 asteroids were discovered by the Indiana Asteroid Program. It belongs to the Themis family, a group of asteroids named after (24) Themis .
designation
(2405) Welch was named after David F. "Kelly" Welch , a member of the Association of Universities for Research in Astronomy (AURA). He improved AURA's administrative and operational processes and brought modern technology to the company's headquarters. He played an important role in preparing the successful proposal to NASA to establish and operate the Space Telescope Science Institute . The name was suggested by the American astronomer Frank K. Edmondson .
See also
Web links
- (2405) Welch in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (2405) Welch 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 6, 2019] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “1963 UF. Discovered 1963 Oct. 18 at the Goethe Link Observatory at Brooklyn, Indiana. "