Moons
Petrus (Terra 1b)
Петрус (Терра 1б)
Petrus is a natural satellite of [Aero (Terra II)](https://robertsspaceindustries.com/galactapedia/article/RxnzEP5m1Q-aero-terra-I), [United Empire of Earth (UEE)](https://robertsspaceindustries.com/galactapedia/article/VyvyKxy4v6-united-empire-of-earth). Irregularly shaped, pockmarked with craters, and following an inclined orbit, Petrus may possibly be a remaining piece of a once larger celestial body.