Linus
Moon
Linus, formal designation Kalliope I Linus, is an asteroid moon that orbits the large M-type asteroid 22 Kalliope. It was discovered on August 29, 2001, by astronomers Jean-Luc Margot and Michael E. Brown with the Keck telescope, in Hawaii. Wikipedia
Discoverers: Michael E. Brown and Jean-Luc Margot
Orbits: 22 Kalliope
Discovered: August 29, 2001
Mean density: 3.4 g/cm3 (assumed)
Inclination: ~0°; (undetectable with respect to Kalliope equator)
Mass: ~6×1016 kg (estimate) ~4×1016 kg (estimate)
Minor planet category: Main belt