Charon (muin)

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Charon
Charon-Neutral-Bright-Release.jpg
Charon photographed bi the New Horizons probe in Julie 2015.
Discovery
Discovered biJames W. Christy
Discovery dateJuin 22, 1978
Designations
Pronunciation/ˈʃærən/ or /ˈkɛərən/[note 1]
Named after
Charon
(134340) Pluto I[1]
AdjectivesCharonian
Orbital chairactereestics [3]
Epoch 2452600.5
17536±4 km tae seestem barycenter, 19571±4 km tae the center ofPluto
Eccentricity0.00[2]
6.3872304±0.0000011 d
(6 d, 9 h, 17 m, 36.7 ± 0.1 s)
0.21 km/s[note 2]
Inclination0.001°
(tae Pluto's equator)
119.591°±0.014°
(tae Pluto's orbit)
112.783°±0.014°
(tae the ecliptic)
223.046°±0.014°
(tae vernal equinox)
Satellite oPluto
Pheesical chairacteristics
Mean radius
603.5±1.5 km[4]
(0.095 Earths)
4.58×106 km2
Vollum9.027×108 km3
(0.0008 Earths)[5]
Mass(1.52±0.06)×1021 kg[3]
(2.54×10−4 Earths)
(11.6% of Pluto)
Mean density
1.65±0.06 g/cm3[3]
0.278 m/s2
0.580 km/s
0.36 mi/s
synchronous
zero?
Albedofrom 0.36 to 0.39
Temperatur−220 °C (53 K)
16.8[6]
1[7]
55 milli-arcsec[8]

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

Notes[eedit | eedit soorce]

  1. In US dictionary transcription, US dict: shăr′·ən, kār′·ən, the latter per the anglicised pronunciation o the [Χάρων] error: {{lang-xx}}: text has italic markup (help).
  2. Calculatit on the basis o ither parameters.

References[eedit | eedit soorce]

  1. 1.0 1.1 Jennifer Blue (9 November 2009). "Gazetteer of Planetary Nomenclature". IAU Working Group for Planetary System Nomenclature (WGPSN). Retrieved 24 Februar 2010.
  2. M. Buie; et al. (2012). "The Orbit of Charon is Circular". The Astronomical Journal. 144: 15. Bibcode:2012AJ....144...15B. doi:10.1088/0004-6256/144/1/15.
  3. 3.0 3.1 3.2 doi: 10.1086/504422
    This citation will be automatically completed in the next few minutes. You can jump the queue or expand by hand. a, i, e per JPL (site updated 2008 Aug 25)
  4. B. Sicardy; et al. (2006). "Charon's size and an upper limit on its atmosphere from a stellar occultation". Nature. 439 (7072): 52–4. Bibcode:2006Natur.439...52S. doi:10.1038/nature04351. PMID 16397493.
  5. Volume of a sphere with radius 603.5 km = 902704853.6 km3 / 1083207317374 km3 = 8.4×10−4 = 0.00084 Earth
  6. "Classic Satellites of the Solar System". Observatorio ARVAL. Retrieved 19 October 2007.
  7. David Jewitt (Juin 2008). "The 1000 km Scale KBOs". Institute for Astronomy (UH). Retrieved 13 Juin 2008.
  8. "Stellar occultation allows VLT to determine Charon's size and to put upper limit on its atmosphere". ESO 02/06 – Science Release. 4 Januar 2006. Retrieved 19 October 2007.