Jupiter  

Jupiter

Jupiter
Orbital Characteristics of Jupiter

Orbital Characteristics

Perihelion: 740,573,600 km, 4.950429 AE
Aphelion: 816,520,800 km, 5.458104 AE
Semi-major axis: 778,547,200 km, 5.204267 AE
Eccentricity: 0.048775
Orbital period: 4331.572 days, 11.85920 years
Synodic period: 398.88 days, 1.092 years
Average orbital speed: 13.07 km/s
Mean anomaly: 18.818°
Inclination: 1.305°
Longitude of ascending node: 100.492°
Argument of perihelion: 275.066°

Satellites/moons: 63

Physical Characteristics of Jupiter

Physical Characteristics

Equatorial radius: 71,492 ± 4 km (11.209 x Earth)
Flattening: 0.06487 ± 0.00015
Surface area: 6.21796×1010 km2 (121.9 x Earth)
Volume: 1.43128×1015 km3 (1321.3 x Earth)
Mass: 1.8986×1027 kg (317.8 x Earth)
Mean density: 1.326 g/cm3
Equatorial surface gravity: 24.79 m/s2
Escape velocity: 59.5 km/s
Sidereal rotation period: 9.925 h Earth days, Earth hours
Axial tilt : 3.13°
Albedo: 0.52
Average surface temperatures: 125 K, -148 °C, -234 °F
Apparent magnitude: -1.6 to -2.94
Angular diameter: 29.8" — 50.1"
The Atmosphere of Jupiter

The Atmosphere

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)

    Jupiter images:


    www.flickr.com

    back to main page

  • NASA Breaking News


    NASA Wind Tunnel Tests Lockheed Martin’s X-Plane Design for a Quieter Supersonic Jet
    Supersonic passenger airplanes are another step closer to reality as NASA and Lockheed Martin begin the first high-speed wind tunnel tests for the Quiet Supersonic Technology (QueSST) X-plane preliminary design at NASA’s Glenn Research Center in Cleveland.
    read more...

    NASA to Hold Media Teleconference Today on Study to Add Crew to First Orion, Space Launch System Mission
    NASA will discuss plans for an ongoing study to assess the feasibility of adding a crew to Exploration Mission-1, the first integrated flight of NASA’s Space Launch System (SLS) rocket and Orion spacecraft, during a media teleconference at 1 p.m. EST today, Friday, Feb. 24. The call will stream live on NASA’s website.
    read more...

    NASA Invites Media to Next Test of Orion Spacecraft Parachutes
    NASA is inviting media to attend a test of the Orion spacecraft’s parachutes on Wednesday, March 8, at the U.S. Army’s Yuma Proving Ground in Arizona. Orion is scheduled for its second airdrop test, in a series of eight, to qualify the parachute system for crewed flights.
    read more...

    NASA Women ‘Introduce a Girl to Engineering' Event set for Thursday
    NASA celebrates National Engineer Week and Girl's Day with a series of events.
    read more...

    NASA Establishes New Public-Private Partnerships to Advance U.S. Commercial Space Capabilities
    NASA is partnering with eight U.S. companies to advance small spacecraft and launch vehicle technologies that are on the verge of maturation and are likely to benefit both NASA and the commercial space market.
    read more...

    NASA Telescope Reveals Largest Batch of Earth-Size, Habitable-Zone Planets Around Single Star
    NASA's Spitzer Space Telescope has revealed the first known system of seven Earth-size planets around a single star. Three of these planets are firmly located in the habitable zone, the area around the parent star where a rocky planet is most likely to have liquid water.
    read more...

    NASA to Host News Conference on Discovery Beyond Our Solar System
    NASA will hold a news conference at 1 p.m. EST Wednesday, Feb. 22, to present new findings on planets that orbit stars other than our sun, known as exoplanets. The event will air live on NASA Television and the agency's website.
    read more...

    NASA Cargo Headed to Space Station Includes Important Experiments, Equipment
    Major experiments that will look into a range of scientific disciplines from human health to atmospheric conditions on Earth are on their way to the International Space Station following liftoff at 9:39 a.m. EST aboard a SpaceX Falcon 9 rocket.
    read more...

    NASA’s Juno Mission to Remain in Current Orbit at Jupiter
    NASA’s Juno mission to Jupiter, which has been in orbit around the gas giant since July 4, 2016, will remain in its current 53-day orbit for the remainder of the mission.
    read more...

    NASA to Televise International Space Station Cargo Ship Launch, Docking
    NASA Television will provide live coverage of the launch and docking of a Russian cargo spacecraft delivering almost three tons of food, fuel and supplies to the International Space Station beginning at 12:30 a.m. EST Wednesday, Feb. 22.
    read more...