(1239) Queteleta
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Asteroid (1239) Queteleta |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.6602 AU |
| eccentricity | 0.2346 |
| Perihelion - aphelion | 2.0362 AU - 3.2843 AU |
| Inclination of the orbit plane | 1.6622 ° |
| Length of the ascending node | 73.1742 ° |
| Argument of the periapsis | 35.6036 ° |
| Sidereal period | 4,346 a |
| Mean orbital velocity | 18.25 km / s |
| Physical Properties | |
| Medium diameter | 15.94 km (± 1.8) |
| Albedo | 0.0695 |
| Absolute brightness | 12.4 mag |
| history | |
| Explorer | Eugène Delporte |
| Date of discovery | February 4, 1932 |
| Another name | 1932 CB , 1978 TH 3 |
| 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. | |
(1239) Queteleta is an asteroid of the main belt discovered on February 4, 1932 by the Belgian astronomer Eugène Joseph Delporte at the Observatoire royal de Belgique ( IAU code 012) in Ukkel .
The asteroid is named after the Belgian mathematician and astronomer Lambert Adolphe Jacques Quételet , the first director of the Royal Observatory in Brussels.
See also
Web links
- Asteroid Queteleta: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (1239) Queteleta in the Small-Body Database of the Jet Propulsion Laboratory .
- (1239) Queteleta in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).