Antares 3

Antares 3 is a planet. Presumably it orbits the star also named Antares.

Fiction

TransTech

One time on Antares 3, Jackpot and Hubcap were involved in a battle against some Decepticons. After being winged by a Terrorcon, Hubcap created a smokescreen by revving his engine heavily, allowing the pair to escape. Years later, after they were transported to Axiom Nexus, Jackpot reminded Hubcap of the incident and they used the same tactic to bail on an interrogation at the hands of the Security Administration. Gone Too Far

The AllSpark Almanac

Antares III was part of the Nebulon Republic in the Milky Way. The Complete AllSpark Almanac

Ask Vector Prime

The Master Renegade retreated to Antares III after his defeat and grew increasingly senile, but was at least able to create the Monster Renegades. Cy-Kill sent Pincher there to win two monsters, Vamp and Scorp, over to his side. Creepy, another of the Master Renegade's creations, also came from here. Renegade Rhetoric