The real name of the comet is Churyumov-Gerasimenko. It has been discovered the 20 September of 1969 by Klim Ivanovych Churyumov and Svetlana Ivanovna Gerasimenko who are 2 soviets scientists at Kiev.
Nowadays the comet is situated near Mars, between Mars and Jupiter, at approximately 519,000,000 km from the Earth (that makes approximately 3.48 AU). At this time, the comet is in direction from the Earth. In the future, this trajectory will change and the distance will become bigger again.
67P is more dark than the coal and its length is approximately 3 km for 4 km. Its speed is almost 65,000 km/h. Churyumov-Gerasimenko takes 12h43 to turn on itself.
It has a density of 0.5 and the gravity force is 100,000 times fewer as on the Earth.