Sun-sync orbit?

The DARPA solicitation for the new FALCON small launch vehicle program
specifies the requirement to put a satellite in "sun synchronous orbit" at 450
km at "79 degree inclination." I'd always assumed sun-synchronous orbits had
to be above 90 degrees - 97 or 98 is a common example. Is is possible to have
a sun-synch orbit at 79?

Thanks,


Matt Bille
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