sun-synchronous orbit(redirected from Dawn-dusk orbit)
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Related to Dawn-dusk orbit: Polar sun synchronous orbit
sun-synchronous orbit[′sən ¦siŋ·krə·nəs ′ȯr·bət]
An earth orbit of a spacecraft so that the craft is always in the same direction relative to that of the sun; as a result, the spacecraft passes over the equator at the same spots at the same times.