Complex sentence: Caprica is in the Helios Alpha star system, has a twin planet called Gemenon that is only 493,000 km away, and shares its star system with Picon and Tauron.
Split into simpler sentences: Caprica is in the Helios Alpha star system, and has a twin planet called Gemenon that is only 493,000 km away. Caprica also shares its star system with Picon and Tauron.