STEREO - Solar Terrestrial Relations Observatory
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Important notice about STEREO Behind

Orbits of the STEREO spacecraft about the Sun

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STEREO's final destination orbits, reached three months after launch. Spacecraft A orbits faster than Earth and thus moves ahead while Spacecraft B orbits more slowly so that is falls behind. The spacecraft separate from each other at about 45 degrees per year. - NASA


Last Revised: March 19, 2018 15:00:39 UTC
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