(4830) Thomascooley
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Asteroid (4830) Thomascooley |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Inner main belt asteroid |
| Asteroid family | Vesta family |
| Major semi-axis | 2.3928 AU |
| eccentricity | 0.0682 |
| Perihelion - aphelion | 2.2296 AU - 2.5559 AU |
| Inclination of the orbit plane | 6.4165 ° |
| Length of the ascending node | 119.5891 ° |
| Argument of the periapsis | 84.4642 ° |
| Sidereal period | 3.70 a |
| Physical Properties | |
| Absolute brightness | 13.1 mag |
| history | |
| Explorer | Henri Debehogne |
| Date of discovery | September 1, 1988 |
| Another name | 1988 RG 4 , 1976 HE, 1983 CU, 1985 VW 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. | |
(4830) Thomascooley is a main inner belt asteroid discovered on September 1, 1988 by the Belgian astronomer Henri Debehogne at the La Silla Observatory of the European Southern Observatory in Chile ( IAU code 809). The asteroid had been sighted before: on April 23, 1976 under the provisional designation 1976 HE at the Crimean Observatory in Nautschnyj , on February 15 and 19, 1983 (1983 CU) at the Anderson Mesa Station of the Lowell Observatory in Coconino County , Arizona and again on November 11, 1985 (1985 VW 4 ) at the Crimean Observatory in Nautschnyj.
The asteroid belongs to the Vesta family , a large group of asteroids named after (4) Vesta , the second largest asteroid and third largest celestial body in the main belt. The timeless (non- osculating ) orbital elements of (4830) Thomascooley are almost identical to those of the two smaller ones, assuming the absolute magnitude of 15.4 and 16.9 compared to 13.1, asteroids (48577) 1994 PD 8 and ( 219286) 2000 CG 110 .
(4830) Thomascooley was named on October 8, 2014 after the American pediatrician Thomas Benton Cooley (1871–1945), the first to describe beta thalassemia , also known as Cooley's anemia .
See also
Web links
- (4830) Thomascooley in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (4830) Thomascooley in the Small-Body Database of the Jet Propulsion Laboratory of NASA at the California Institute of Technology (Caltech) in Pasadena , California (English)
- Discovery Circumstances by (4830) Thomascooley according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics in Cambridge , Massachusetts (English)
Individual evidence
- ↑ Observations from (4830) Thomascooley on minorplanetcenter.net (English)
- ↑ The family status of the asteroids in the AstDyS-2 database (English, HTML; 51.4 MB)