Jupiter  

Jupiter

Jupiter
Orbital Characteristics of Jupiter

Caractéristiques orbitales

Périhélie: 740,573,600 km, 4.950429 AE
Aphélie: 816,520,800 km, 5.458104 AE
Demi-grand axe: 778,547,200 km, 5.204267 AE
Excentricité: 0.048775
Période de révolution: 4331.572 jours, 11.85920 années
Période synodique: 398.88 jours, 1.092 années
Vitesse orbitale moyenne: 13.07 km/s
Anomalie moyenne: 18.818°
Inclinaison: 1.305°
Longitude du nœud ascendant: 100.492°
Argument du périhélie: 275.066°

Satellites/Lunes: 63



Physical Characteristics of Jupiter

Caractéristiques physiques

Rayon équatorial: 71,492 ± 4 km (11.209 x Terre)
Aplatissement: 0.06487 ± 0.00015
Superficie: 6.21796×1010 km2 (121.9 x Terre)
Volume: 1.43128×1015 km3 (1321.3 x Terre)
Masse: 1.8986×1027 kg (317.8 x Terre)
Masse volumique moyenne: 1.326 g/cm3
Gravité à la surface: 24.79 m/s2
Vitesse de libération: 59.5 km/s
Sidereal rotation period: 9.925 h Earth days, Earth hours
Inclinaison de l’axe: 3.13°
Albédo moyen: 0.52
Température de surface: 125 K, -148 °C, -234 °F
Magnitude apparente: -1.6 to -2.94
Diamètre angulaire: 29.8" — 50.1"


The Atmosphere of Jupiter

Atmosphère

Composition:
  • 89.8 ± 2.0% Hydrogen (H2)
  • 10.2 ± 2.0% Helium
  • ca. 0.3% Methane (CH4)
  • ca. 0.026% Ammonia (NH3)
  • ca. 0.003% Hydrogen deuteride (HD)
  • 0.0006% Ethane (C2H6)
  • 0.0004% Water (H2O)



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