Aster is one of Earth's two moons in the alternate history of Defenders of the Fang- A Dinosaur Althist.
Diameter in km: 22.2 km (27×21.6×18.8)
Mass in kg: 1.08 ×1016
Semi-major axis (km): 9 377 km
Orbital Period: 7.66 hours
Average moonrise period: 11.12 hours
In the Laghic mythologies, a full eclipse of the Sun, Aster, and Luna meant that the gods were angry with the people. Religious upheavals thus often coincide with a trifold eclipse.