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Charon (muin)

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Charon ⯕
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 [2]
Epoch 2452600.5
17536±4 km tae seestem barycenter, 19571±4 km tae the center ofPluto
Eccentricity0.00[3]
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)
Surface area
4.58×106 km2
Vollum9.027×108 km3
(0.0008 Earths)[5]
Mass(1.52±0.06)×1021 kg[2]
(2.54×10−4 Earths)
(11.6% of Pluto)
Mean density
1.65±0.06 g/cm3[2]
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, cried (134340) Pluto I an aw,[1] is the lairgest satellite o the dwarf planet Pluto.

Notes

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  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

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  1. 1 2 Jennifer Blue (9 November 2009). "Gazetteer of Planetary Nomenclature". IAU Working Group for Planetary System Nomenclature (WGPSN). Retrieved 24 Februar 2010.
  2. 1 2 3 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)
  3. ↑ 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.
  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. Archived frae the original on 22 October 2013. 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. Archived frae the original on 18 Januar 2006. Retrieved 19 October 2007.
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