Complex sentence: On August 10,2014, at 18:16 UTC, the spacecraft will pass about from the surface of the Moon; it will continue in its heliocentric orbit, and will return to the vicinity of Earth in 17 years.
Split into simpler sentences: On August 10,2014, at 18:16 UTC, the spacecraft passed about from the surface of the Moon. It will continue in its heliocentric orbit, and will return to the vicinity of Earth in 17 years.