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sun-synchronous orbit

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An orbit in which the satellite's orbital plane is at a fixed orientation to the sun, i.e., the orbit precesses about the earth at the same rate that the earth orbits the sun. It has the characteristics of maintaining similar sun angles along its ground trace for all orbits, and typically has an inclination from 96 to 98 degrees, depending on the orbit altitude and orbit shape (eccentricity). See also synchronous orbit.
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This result has important implications for the inference of long-term trends from historical, space-based PMC observations because NASA and NOAA satellites that have observed PMCs over the last 25 years have all been launched into sun-synchronous orbits with different, fixed local times.
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The flights will send the SAOCOM 1A and 1B Earth observation satellites into sun-synchronous orbits, where they will provide imagery for natural resources monitoring, as well as emergency and disaster management.
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The observatory will launch into a 438-mile near-polar, sun-synchronous orbit inclined 98.
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