Himalia is the largest irregular satellite of Jupiter, the sixth largest overall in size, and only the four Galilean moons of Jupiter have greater mass. It was discovered by Charles Dillon Perrine at the Lick Observatory on 3 December 1904

Adjective(s) Himalian
Orbital properties
Aphelion/apoapsis 13,082,000 km
Perihelion/periapsis 9,782,900 km
Semi-major axis Unknown
Orbital eccentricity 0.16
Orbital period 250.56 d
Average orbital speed 3.312 km/s
Physical properties
Radius 85 ± ?? km
Mass 6.7×1018
Mean density 2.6 g/cm3 (assumed)

1.63 g/cm3 (assuming radius 85 km)

Escape velocity Unknown
Rotation period 7.782 h
Average surface temperature ~124 K
Apparent magnitude 14.6
Moons 0

and is named after the nymph Himalia, who bore three sons of Zeus (the Greek equivalent of Jupiter).