La comète Lovejoy – décembre 2013 Description: Comet C / 2013 R1 (Lovejoy) was discovered in September 2013 by Terry Lovejoy. It comes from the Oort cloud which is a reservoir of comets on the outskirts of the solar system and has an orbital period of more than...
3200 Phaethon: asteroid or comet? Description: Phaeton is an Apollo-type asteroid because of its orbit. Its most notable feature is that it comes closer to the Sun than any other named asteroid: its perihelion is only 0.14 Astronomical Units (20.9 million km) –...