Complex sentence: The proposed spacecraft would orbit Psyche for six months, studying its topography, surface features, gravity, magnetism, and other characteristics and would be based on current technology, avoiding high cost and the necessity to develop new technologies.
Split into simpler sentences: The proposed spacecraft would orbit the asteroid for six months, studying its topography, surface features, gravity, magnetism, and other characteristics. The orbiter would be based on current technology, avoiding high cost and the necessity to develop new technologies.