July 22, 2014
Churyumov-Gerasimenko Comet
Churyumov-Gerasimenko Comet (note jets presence - image source ESA)
- Discovered in 1969
- Orbital period 6.59 years
- Aphelion (distance farthest to the Sun): 5.73 Astronomical Units*
- Perihelion (distance closest to the Sun): 1.3 Astronomical Unit*
- Mean Radius about 2000 m (if albedo 4%)
- Rotation period about 12.3 h
- Rotation axis direction: unknown
* 1 Astronomical Unit = 150 millions km
