Petrus is a natural satellite of Aero (Terra II), United Empire of Earth (UEE). Irregularly shaped, pockmarked with craters, and following an inclined orbit, Petrus may possibly be a remaining piece o...

Petram is a captured carbonaceous asteroid, one of two natural satellites of Aero (Terra I), United Empire of Earth (UEE). It orbits closer to Aero than its sister moon, Petrus.