Charon (muin)
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Charon, cried (134340) Pluto I an aw,[1] is the lairgest satellite o the dwarf planet Pluto.
 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 |
| (134340) Pluto I[1] | |
| Adjectives | Charonian |
| Orbital chairactereestics [3] | |
| Epoch 2452600.5 | |
| 17536±4 km tae seestem barycenter, 19571±4 km tae the center ofPluto | |
| Eccentricity | 0.00[2] |
| 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 | 0.001° (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 o | Pluto |
| Pheesical chairacteristics | |
Mean radius | 603.5±1.5 km[4] (0.095 Earths) |
Surface area | 4.58×106 km2 |
| Vollum | 9.027×108 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? | |
| Albedo | from 0.36 to 0.39 |
| Temperatur | −220 °C (53 K) |
| 16.8[6] | |
| 1[7] | |
| 55 milli-arcsec[8] | |
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Notes
eedit- ↑ 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).
- ↑ Calculatit on the basis o ither parameters.
References
eedit- ↑ a b Jennifer Blue (9 November 2009). "Gazetteer of Planetary Nomenclature". IAU Working Group for Planetary System Nomenclature (WGPSN). Retrieved 24 Februar 2010.
- ↑ 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.
- ↑ a b c
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) - ↑ 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.
- ↑ Volume of a sphere with radius 603.5 km = 902704853.6 km3 / 1083207317374 km3 = 8.4×10−4 = 0.00084 Earth
- ↑ "Classic Satellites of the Solar System". Observatorio ARVAL. Retrieved 19 October 2007.
- ↑ David Jewitt (Juin 2008). "The 1000 km Scale KBOs". Institute for Astronomy (UH). Retrieved 13 Juin 2008.
- ↑ "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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