(14309) Defoy
| Asteroid (14309) Defoy | |
|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid | 
| Major semi-axis | 2.6015 AU | 
| eccentricity | 0.4508 | 
| Perihelion - aphelion | 1.4288 AU - 3.7743 AU | 
| Inclination of the orbit plane | 6.4802 ° | 
| Sidereal period | 4.20 a | 
| Mean orbital velocity | 18.47 km / s | 
| Physical Properties | |
| Medium diameter | ? km | 
| Dimensions | ? kg | 
| Albedo | ? | 
| Medium density | ? g / cm³ | 
| Rotation period | ? H | 
| Absolute brightness | 14.3 mag | 
| Spectral class | ? | 
| history | |
| Explorer | J. Palisa | 
| Date of discovery | September 22, 1908 | 
| Another name | A908 SA, 1992 SU 1 , 1992 UW 6 | 
| 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. | |
(14309) Defoy is an asteroid of the main belt that was discovered on September 22, 1908 by the Austrian astronomer Johann Palisa in Vienna .
(14309) Defoy moves on an unusually eccentric orbit and thus comes close to the orbit of Mars .
The asteroid was named after Ilse Defoy (1892-1947), the mother of the Heidelberg astronomer Joachim Schubart , whose observations of (14309) Defoy helped to calculate its orbit.
See also
Web links
- (14309) Defoy in the Small-Body Database of the Jet Propulsion Laboratory (English).
