(54439) Topeka
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Asteroid (54439) Topeka |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Middle main belt asteroid |
| Major semi-axis | 2.5393 AU |
| eccentricity | 0.1894 |
| Perihelion - aphelion | 2.0584 AU - 3.0202 AU |
| Inclination of the orbit plane | 16.5338 ° |
| Length of the ascending node | 155.5388 ° |
| Argument of the periapsis | 89.5150 ° |
| Time of passage of the perihelion | December 16, 2015 |
| Sidereal period | 4.05 a |
| Mean orbital velocity | 18.70 km / s |
| Physical Properties | |
| Absolute brightness | 14.5 mag |
| history | |
| Explorer | Gary Hug |
| Date of discovery | June 29, 2000 |
| Another name | 2000 MG 3 , 1999 GG 47 |
| 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. | |
(54439) Topeka is a main middle belt asteroid discovered on June 29, 2000 by US astronomer Gary Hug at the Farpoint Observatory ( IAU code 734) in Eskridge near Topeka , Kansas . The asteroid had been sighted before, for example on April 6, 1999 under the provisional designation 1999 GG 47 as part of the LONEOS project of the Lowell Observatory in Arizona .
(54439) Topeka was named after the city of Topeka on May 1, 2003. At the time of naming, the asteroid was the one with the highest identification number of all named asteroids.
Web links
- (54439) Topeka in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (54439) Topeka 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 of (54439) Topeka according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics in Cambridge , Massachusetts (English)
Individual evidence
- ↑ Sightings of (54439) Topeka on minorplanetcenter.net (English)