Perihel: 2,748,938,461 km, 18.37551863 AE
Aphel: 3,004,419,704 km, 20.08330526 AE
Große Halbachse: 2,876,679,082 km, 19.22941195 AE
Siderische Umlaufzeit: 30,799.095 Tage, 84.323326 Jahre
Synodische Umlaufzeit: 369.66 Tage
Mittlere Orbitalgeschwindigkeit: 6.81 km/s
Mittlere Anomalie: 142.955717°
Neigung der Bahnebene: 0.772 556°
Argument des Knotens: 73.989821°
Argument des Perihels: 96.541 318°
Satelliten/Monde: 27 (Cordelia, Ophelia, Bianca, Cressida, Desdemona, Juliet, Portia, Rosalind, Mab, Belinda, Perdita, Puck, Cupid, Miranda, Francisco, Ariel, Umbriel, Titania, Oberon, Caliban, Stephano, Trinculo, Sycorax, Margaret, Prospero, Setebos, Ferdinand)
Äquatorradius: 25,559 km (4.007 x Erde)
Abplattung: 0.0229 ± 0.0008
Oberfläche: 8.1156×109 km2 (15.91 x Erde)
Volumen: 6.833×1013 km3 (63.086 x Erde)
Masse: 8.6823×1025 kg (14.536 x Erde)
Mittlere Dichte: 1.27 g/cm3
Fallbeschleunigung: 8.69 m/s2
Fluchtgeschwindigkeit: 21.3 km/s
Sidereal rotation period: -0.71833 day Earth days, 17 h 14 min 24 s Earth hours
Neigung der Rotationsachse: 97.77°
Geometrische Albedo: 0.51
Mittlere Oberflächentemperaturen: 57 K, -216 °C, -357 °F
Scheinbare Helligkeit: 5.9 to 5.32
Zusammensetzung: 82.5% Hydrogen (H2)
2.3% Methane (CH4)
148ppm Hydrogen Deuteride (HD)
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NASA Breaking News
International Space Station Crew Invites Public Along for Photographic Trip Around World
NASA astronaut and Expedition 53 Commander Randy Bresnik will spend one full orbit photographing Earth from the International Space Station on Monday, Oct. 23, and he is inviting people around the globe to share images from their Earth-side vantage point on social media.
NASA Awards Launch Services Contract for Sentinel-6A Mission
NASA has selected Space Exploration Technologies (SpaceX) of Hawthorne, California, to provide launch services for the Sentinel-6A mission. Launch is currently targeted for November 2020, on a SpaceX Falcon 9 Full Thrust rocket from Space Launch Complex 4E at Vandenberg Air Force Base in California.
NASA Awards Launch Services Contract for Landsat 9 Mission
NASA has selected United Launch Services LLC (ULS) of Centennial, Colorado, to provide launch services for the Landsat 9 mission. The mission is currently targeted for a contract launch date of June 2021, while protecting for the ability to launch as early as December 2020, on an Atlas V 401 rocket from Space Launch Complex 3E at Vandenberg Air For
Georgia Students to Speak with NASA Astronauts on Space Station
Students at New Prospect Elementary School in Alpharetta, Georgia, will speak with the NASA astronauts living, working and doing research aboard the International Space Station at 10:50 a.m. EDT on Monday, Oct. 23.
NASA Missions Catch First Light from a Gravitational-Wave Event
For the first time, NASA scientists have detected light tied to a gravitational-wave event, thanks to two merging neutron stars in the galaxy NGC 4993, located about 130 million light-years from Earth in the constellation Hydra.
Facebook Live with Astronauts Kicks Off Year of Education on Space Station
The first major event for the Year of Education on Station (YES) will be hosted by NASA astronaut Joe Acaba and ESA (European Space Agency) astronaut Paolo Nespoli on a special Facebook Live broadcast from the International Space Station.
NASA Pinpoints Cause of Earth’s Recent Record Carbon Dioxide Spike
A new NASA study provides space-based evidence that Earth’s tropical regions were the cause of the largest annual increases in atmospheric carbon dioxide concentration seen in at least 2,000 years.
NASA Announces Briefing on Carbon Mission Science Results
NASA will hold a media teleconference at 2 p.m. EDT Thursday, Oct. 12, to discuss new research to be published this week on changing global levels of carbon dioxide in the atmosphere. The research is based on data from NASA’s Orbiting Carbon Observatory-2 (OCO-2) mission and other satellites.
NASA TV to Broadcast Hispanic Heritage Event
NASA will celebrate Hispanic Heritage Month at the James Webb Auditorium in the agency’s headquarters in Washington on Thursday, Oct. 12, with a discussion of the contributions of Hispanics to NASA’s mission and the importance of Hispanic representation in science, technology, engineering and mathematics (STEM) education and careers.
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 5:15 a.m. EDT Thursday, Oct. 12.