1. In an apparatus for analyzing orbit and attitude data of a low-earth orbit satellite to establish a task schedule, and generating a satellite command, a low earth orbit satellite command planning apparatus comprising: a satellite event predictor for predicting various events related to the satellite; a satellite task schedule planner for referring to the predicted various events and to inputted satellite tasks to schedule a satellite task schedule; a satellite telecommand planner for generating a set of telecommand data to be executed by the satellite according to the satellite task schedule established by the satellite task schedule planner; a mapping rule applier including a plurality of mapping rules applied to the respective inputted satellite tasks of the satellite; a first user interface for applying a mapping rule in accordance to a satellite task name and a parameter condition; and a second user interface for selecting desired commands from a list of available commands to define a relative time command sequence in the satellite task schedule.