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Yupiter

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Yupiter  ♃
Photo of Jupiter from Cassini.
Pangaranan
Paucapan ejaan Inggris: [ˈdʒuːpɨtər][1]
Ciri-ciri orbit[2]
Epos J2000
Aphelion816520800 km (5,4581 AU)
Perihelion 740573600 km (4,9504 AU)
Sumbu semi-mayor 778547200 km (5,2043 AU)
Eksentrisitas 0.048775
Periode orbit 4,331.572 days
11.85920 yr
Periode sinodis 398.88 days[3]
Kecepatan orbit rata-rata 13.07 km/s[3]
Anomali rata-rata 18.818°
Inklinasi 1.305° to Ecliptic
6.09° to Sun's equator
0.32° to Invariable plane[4]
Bujur node menaik 100.492°
Argumen perihelion 275.066°
Satelit 63[3]
Ciri-ciri fisik
Jari-jari khatulistiwa 71,492 ± 4 km[5][6]
11.209 Earths
Jari-jari kutub 66,854 ± 10 km[5][6]
10.517 Earths
Kepepatan 0.06487 ± 0.00015
Luas permukaan 6.21796×1010 km²[6][7]
121.9 Earths
Volume 1.43128×1015 km³[3][6]
1321.3 Earths
Massa 1.8986×1027 kg[3]
317.83 Earths
Massa jenis rata-rata 1.326 g/cm³[3][6]
Gravitasi permukaan di khatulistiwa24.79 m/s²[3][6]
2.528 g
Kecepatan lepas59.5 km/s[3][6]
Hari sideris 9.925 h[8]
Kecepatan rotasi 12.6 km/s
45,300 km/h
Kemiringan sumbu 3.13°[3]
Asensio rekta bagi Kutub Utara 268.057°
17 h 52 min 14 s[5]
Deklinasi bagi Kutub Utara 64.496°[5]
Albedo0.343 (bond)
0.52 (geom.)[3]
Suhu permukaan
   1 bar level
   0.1 bar
minrata-ratamaks
165 K[3]
112 K[3]
Magnitudo tampak -1.6 to -2.94[3]
Diameter sudut 29.8" — 50.1"[3]
Atmosfer[3]
Tekanan permukaan 20–200 kPa[9] (cloud layer)
Tinggi skala 27 km
Komposisi
87.8 to 91.8%Hydrogen (H2)
8.2 to 12.2%Helium
~0.3%Methane
~0.026%Ammonia
~0.003%Hydrogen deuteride (HD)
0.0006%Ethane
0.0004%water
Ices:
Ammonia
water
ammonium hydrosulfide(NH4SH)
  1. ^ Jupiter, entry in the Oxford English Dictionary, prepared by J.A. Simpson and E.S.C. Weiner, vol. 8, second edition, Oxford: Clarendon Press, 1989. ISBN 0-19-861220-6 (vol. 8), ISBN 0-19-861186-2 (set.)
  2. ^ Yeomans, Donald K. (2006-07-13). "HORIZONS System". NASA JPL. Diakses tanggal 2007-08-08.  — At the site, go to the "web interface" then select "Ephemeris Type: Elements", "Target Body: Jupiter Barycenter" and "Center: Sun".
  3. ^ a b c d e f g h i j k l m n o Williams, Dr. David R. (2004-11-04). "Jupiter Fact Sheet". NASA. Diakses tanggal 2007-08-08. 
  4. ^ "The MeanPlane (Invariable plane) of the Solar System passing through the barycenter". 3 March, 2009. Diarsipkan dari versi asli tanggal 2011-06-05. Diakses tanggal 2009-04-10.  (produced with Solex 10 Archived 2015-05-24 at the Wayback Machine written by Aldo Vitagliano; see also Invariable plane)
  5. ^ a b c d Seidelmann, P. Kenneth (2007). "Report of the IAU/IAGWorking Group on cartographic coordinates and rotational elements: 2006". Celestial Mechanics and Dynamical Astronomy. 90: 155–180. doi:10.1007/s10569-007-9072-y. Diakses tanggal 2007-08-28. 
  6. ^ a b c d e f g This refers to the level of 1 bar atmospheric pressure on the planet
  7. ^ "NASA: Solar System Exploration: Planets: Jupiter: Facts & Figures". NASA. Diakses tanggal 2011-05-07. 
  8. ^ Seidelmann, P. K.; Abalakin, V. K.; Bursa, M.; Davies, M. E.; de Burgh, C.; Lieske, J. H.; Oberst, J.; Simon, J. L.; Standish, E. M.; Stooke, P.; Thomas, P. C. (2001). "Report of the IAU/IAG Working Group on Cartographic Coordinates and Rotational Elements of the Planets and Satellites: 2000". HNSKY Planetarium Program. Diarsipkan dari versi asli tanggal 2018-10-31. Diakses tanggal 2007-02-02. 
  9. ^ "Probe Nephelometer". Galileo Messenger. NASA/JPL (6). Diakses tanggal 2007-02-12. 
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