What is a sun-synchronous orbit?
Quick Answer
A sun-synchronous orbit is a near-polar orbit that crosses the same local solar time on each pass. This gives satellites consistent lighting for imaging Earth.
The Full Story
Sun-synchronous orbits are designed so the satellite’s orbital plane slowly shifts at the same rate Earth moves around the Sun. That means the spacecraft passes over a location at nearly the same time of day each time. The consistent sunlight angle is ideal for mapping, land surveys, and climate monitoring because shadows and illumination stay comparable. Many Earth-observation satellites, including weather and remote-sensing missions, use this orbit.
Key Facts
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Suggested video title for this topic:
"The orbit that keeps Earth photos lit the same way every day"
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