Abstract
In this work, we consider a space network time synchronization protocol which is based on time information exchanges similar to Network Time Protocol. Further, we analyze the performance of this time protocol due to relative motion with two spacecraft through using STK and Mat lab software jointly simulation. Regard the influencing factors such as relative distance between the two spacecraft, the relative distance changes rate and time synchronization error curve relative motion of spacecraft that impact on the time synchronization accuracy. Finally, under conditions known to spacecraft orbit, this paper utilizes a error curve fitting compensating method to reduce space network time synchronization protocol synchronization in the application of the relative movement state. It is significant improvement in time synchronization errors.
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