Complex sentence: The Ranger 1 spacecraft was designed to go into an Earth parking orbit and then into a 60,000 by 1,100,000 km Earth orbit to test systems and strategies for future lunar missions.
Split into simpler sentences: The Ranger 1 spacecraft was designed to go into an Earth parking orbit and then move into a 60,000 by 1,100,000 km Earth orbit. The purpose was to test systems and strategies for future lunar missions.