Mujin Wakusei Survive (2003)

A group of teenagers from a deep space colony become lost when their shuttle is sucked into a gravity storm, and end up on a habitable, but, for some reason, uninhabited planet. Now it's up to them to survive, to overcome their differences and character flaws, to make strange new friends, to face unexpected enemies, to discover the planet's ancient secrets, but, most importantly, to find a way home.