Sentences with phrase «eccentric orbit beyond»
The discovery of Sedna on a highly eccentric orbit beyond Neptune suggests a perplexing new population of icy bodies residing far outside the Kuiper Belt.
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With a perihelion of 76 AU (more than twice that of Neptune), Sedna is well beyond the reach of the gas giants and unlike other Kuiper Belt Objects, could not be scattered into its highly eccentric orbit from gravitational interactions with Neptune alone.
This European Space Agency (ESA) satellite for direct - pointing and lunar - occultation observation of X-ray sources beyond the solar system was launched into a highly eccentric orbit (apogee 200,000 km, perigee 500 km) almost perpendicular to that of the moon on May 26, 1983.
It moves around HD 111232 at an average distance of 2.07 AUs (a semi-major axis beyond Mars orbital distance) in a highly eccentric orbit (e = 0.25 + / - 0.01) that takes around 1,138 + / - 18 days (3.1 years to complete.