Abstract: A MEO satellite constellation for Asian and pacific regional mobile communication is suggested.The minimum elevation of 30 degree is guaranteed for the ground users.The constellation consists of six satellites placed in six orbital planes which are even distributed along the equator.The circular orbits have same inclinations of 28 5 degrees and same periods of 12 hours with the altitude of 20183km.All six satellites will move on the same ground track,but even separated.