sun-synchronous orbit

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Related to Sun synchronous: Polar sun synchronous orbit

sun-synchronous orbit

[′sən ¦siŋ·krə·nəs ′ȯr·bət]
(aerospace engineering)
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.
References in periodicals archive ?
Sun synchronous means that a satellite passes over any point on Earth at the same local time.
Three GEM-40 solid propellant strap-on motors built by ATK Thiokol Propulsion Company, Promontory, Utah, provided additional boost to the first stage of the Delta II launch vehicle, which placed the DigitalGlobe QuickBird satellite into a sun synchronous orbit.
TOMS-EP will fly in a sun synchronous, polar orbit of about 312 miles (500 kilometers).
In addition, Athena RideShare missions planned for 2015 and 2016 from Kodiak Launch Complex can accommodate 24 P-PODs or a mix of 3U, 6U and 12U CubeSat containerized payloads, vastly expanding launch opportunities for these very small satellites to sun synchronous orbits.
March 7 /PRNewswire/ -- NASA has exercised an option under the Medium Expendable Launch Vehicle Services (MELVS) contract for a McDonnell Douglas Delta II rocket to carry the Landsat-7 spacecraft into a 434 mile sun synchronous polar orbit in May 1998.