Aethusa is a background asteroid with no associated asteroid family. It orbits the Sun in the central main belt at a distance of 2.1–3.0 AU once every 4 years and 1 month (1,481 days).
Aethusa is an asteroid without an associated group that orbits in the central main belt between 2.1 and 3.0 AU from the Sun, with a period of approximately 4 years and 1 month.