In a sun-synchronous orbit, the direction of rotation of the orbital plane and the period (the rotation angle per day) are the same as the Earth's orbital period (the rotation angle per day).
(the direction of rotation of the orbital plane and the period; are; the same as the Earth's orbital period; L:In a sun-synchronous orbit)
the direction of rotation of the orbital plane and the period
are
the same as the Earth's orbital period L:In a sun-synchronous orbit