Charon (muin)

Charon, cried (134340) Pluto I an aw,^[1] is the lairgest satellite o the dwarf planet Pluto.

Charon

Charon photographed bi the New Horizons probe in Julie 2015.
Discovery
Discovered bi	James W. Christy
Discovery date	Juin 22, 1978
Designations
Pronunciation	/ˈʃærən/ or /ˈkɛərən/[note 1]
Named after	Charon
Alternative names	(7005134340000000000♠134340) Pluto I[1]
Adjectives	Charonian
Orbital chairactereestics [3]
Epoch 7006245260050000000♠2452600.5
Semi-major axis	7007175360000000000♠17536±4 km tae seestem barycenter, 7007195710000000000♠19571±4 km tae the center ofPluto
Eccentricity	0.00[2]
Orbital period	7005551856706559999♠6.3872304±0.0000011 d (6 d, 9 h, 17 m, 36.7 ± 0.1 s)
Average orbital speed	0.21 km/s[note 2]
Inclination	6995174532925199433♠0.001° (tae Pluto's equator) 7000208725670575254♠119.591°±0.014° (tae Pluto's orbit) 7000196843469027676♠112.783°±0.014° (tae the ecliptic)
Longitude o ascendin node	7000389288708340328♠223.046°±0.014° (tae vernal equinox)
Satellite o	Pluto
Pheesical chairacteristics
Mean radius	7005603500000000000♠603.5±1.5 km[4] (0.095 Earths)
Surface area	7012458000000000000♠4.58×106 km2
Vollum	7017902699999999999♠9.027×108 km3 (6996800000000000000♠0.0008 Earths)[5]
Mass	7021152000000000000♠(1.52±0.06)×1021 kg[3] (6996254000000000000♠2.54×10−4 Earths) (11.6% of Pluto)
Mean density	7003165000000000000♠1.65±0.06 g/cm3[3]
Surface gravity	6999278000000000000♠0.278 m/s2
Escape velocity	7002580000000000000♠0.580 km/s 0.36 mi/s
Rotation period	synchronous
Axial tilt	zero?
Albedo	from 0.36 to 0.39
Temperatur	7001531499999999999♠−220 °C (7001530000000000000♠53 K)
Apparent magnitude	16.8[6]
Absolute magnitude (H)	1[7]
Angular diameter	55 milli-arcsec[8]