Moons of asteroid 45 Eugenia -- (45) Eugenia II S/2004 (45) 1

Eugenia is orbited by two small moons. They have been named Petit-Prince and provisional designated S/2004(45)1 [(45) Eugenia I Petit-Prince and (45) Eugenia II S/2004(45)1].

(45) Eugenia II S/2004(45)1 is the smaller, inner moon of asteroid 45 Eugenia. Nothing much is known about this moon.

Discovery

S/2004(45)1 was discovered by F. Marchis, M. Baek, P. Descamps, J. Berthier, D. Hestroffer and F. Vachier on analyses of three images acquired in 14 February 2004 using the adaptive optics from the 8.2 m VLT "Yepun" at the European Southern Observatory (ESO) Cerro Paranal, in Chile.

Naming

The moon received the provisional designation S/2004(45)1.

Stats

Diameter (estimated): 6 km

Semi-major axis: 700 km ?

Orbital Period: 2 days ?

Rotation period: ?