Callisto (buwan)

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Callisto
Callisto.jpg
Image of Callisto obtained in 2001 by NASA's Galileo spacecraft
Pagkatuklas
Natuklasan niGalileo Galilei
Simon Marius[1]
Natuklasan noongJanuary 7, 1610[1]
Designasyon
Ibang designasyonJupiter IV
Pang-uriCallistoan, Callistan
Orbital characteristics
Periapsis1 869 000 km[b]
Apoapsis1 897 000 km[a]
Mean orbit radius1 882 700 km[2]
Eccentricity0.007 4[2]
Orbital period16.689 018 4 d[2]
Average orbital speed8.204 km/s
Inclination0.192° (to local Laplace planes)[2]
Satellite ofJupiter
Pisikal na katangian
Mean radius2410.3 ± 1.5 km (0.378 Earths)[3]
Surface area7.30Padron:Esp km2 (0.143 Earths)[c]
Volume5.9Padron:Esp km3 (0.0541 Earths)[d]
Mass1.075 938 ± 0.000 137Padron:Esp kg (0.018 Earths)[3]
Mean density1.834 4 ± 0.003 4 g/cm3[3]
Surface gravity1.235 m/s2 (0.126 g)[e]
Escape velocity2.440 km/s[f]
Rotation periodsynchronous[3]
Axial tiltzero[3]
Albedo0.22 (geometric)[4]
Surface temp. min mean max
K[4] 80 ± 5 134 ± 11 165 ± 5
Apparent magnitude5.65 (opposition)[5]
Atmosphere
Surface pressure7.5 pbar[6]
Composition by volume~4Padron:Esp cm−3 carbon dioxide[6]
up to 2Padron:Esp cm−3 molecular oxygen(O2)[7]

Ang Callisto ay isang buwan sa Hupiter.

Mga sanggunian[baguhin | baguhin ang batayan]

  1. 1.0 1.1 Galilei, G. (13 Marso 1610). Sidereus Nuncius.
  2. 2.0 2.1 2.2 2.3 "Planetary Satellite Mean Orbital Parameters". Jet Propulsion Laboratory, California Institute of Technology.
  3. 3.0 3.1 3.2 3.3 3.4 Anderson, J. D.; Jacobson, R. A.; McElrath, T. P.; et al. (2001). "Shape, mean radius, gravity field and interior structure of Callisto". Icarus. 153: 157–161. doi:10.1006/icar.2001.6664.
  4. 4.0 4.1 Moore, Jeffrey M.; Chapman, Clark R.; Bierhaus, Edward B.; et al. (2004). "Callisto" (PDF). Sa Bagenal, F.; Dowling, T.E.; McKinnon, W.B. (eds.). Jupiter: The planet, Satellites and Magnetosphere. Cambridge University Press.
  5. "Classic Satellites of the Solar System". Observatorio ARVAL. Hinango noong 2007-07-13.
  6. 6.0 6.1 Carlson, R. W.; et al. (1999). "A Tenuous Carbon Dioxide Atmosphere on Jupiter's Moon Callisto" (PDF). Science. 283 (5403): 820–821. Bibcode:1999Sci...283..820C. CiteSeerX 10.1.1.620.9273. doi:10.1126/science.283.5403.820. PMID 9933159.
  7. Liang, M. C.; Lane, B. F.; Pappalardo, R. T.; et al. (2005). "Atmosphere of Callisto" (PDF). Journal of Geophysical Research. 110 (E2): E02003. Bibcode:2005JGRE..11002003L. doi:10.1029/2004JE002322. Sininop mula sa orihinal (PDF) noong 12 Disyembre 2011.



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