(243440) Colonia
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Asteroid (243440) Colonia |
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| Properties of the orbit ( animation ) | |
| Orbit type | Middle main belt asteroid |
| Major semi-axis | 2.8035 AU |
| eccentricity | 0.2090 |
| Perihelion - aphelion | 2.2174 AU - 3.3895 AU |
| Inclination of the orbit plane | 3.4185 ° |
| Length of the ascending node | 141.1452 ° |
| Argument of the periapsis | 122.8187 ° |
| Sidereal period | 4.69 a |
| Physical Properties | |
| Absolute brightness | 16.8 likes |
| history | |
| Explorer | Erwin Schwab , Stefan Karge |
| Date of discovery | March 17, 2009 |
| Another name | 2009 FD 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. | |
(243440) Colonia is an asteroid of the middle main belt , which was discovered on March 17, 2009 by the German amateur astronomers Erwin Schwab and Stefan Karge at the 60 cm Cassegrain telescope of the Hans Ludwig Neumann observatory on the Kleine Feldberg ( IAU code B01) was discovered.
At the time of its discovery, on the night of March 17 to 18, 2009, it was approximately 250 million kilometers away, at the closest point in its orbit, and had an apparent magnitude of only 20 mag.
(243440) Colonia is named after Colonia Claudia Ara Agrippinensium , the Roman name for the city of Cologne from 50 AD. The asteroid was named on May 17, 2011.
Web links
- Website for (243440) Colonia on erwinschwab.de
- (243440) Colonia in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (243440) Colonia in the Small-Body Database of the Jet Propulsion Laboratory (English).
- Discovery Circumstances of (243440) Colonia according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics in Cambridge , Massachusetts (English)