Despina
astronomy
Quick Summary
Despina is one of Neptune's 16 known moons. It was discovered in 1989 by the Voyager 2 spacecraft. Despina orbits Neptune at a mean distance of 52,500 km (32,600 miles) and has an orbital period of 0.335 Earth days. It is a small, irregularly shaped moon with a radius of approximately 90 km (56 miles) and is likely tidally locked, meaning one side always faces Neptune. Despina orbits within Neptune's ring system, and its gravitational influence may play a role in maintaining the structure of these rings.1
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