The moon of 121 Hermione is the 6th largest moon of the asteroids currently known.
Discovery
The moon of 121 Hermione was discovered 28 September 2002 by W. J. Merline, P. M. Tamblyn, C. Dumas, L. M. Close, C. R. Chapman, F. Menard, W. M. Owen, D. C. Slater and J. Pepin using the Keck II telescope at Mauna Kea.
Naming
The moon was given the temporary designation S/2002 (121) 1, but has not yet received an official name.
"LaFayette" has been proposed by a group of astronomers in reference to the frigate used in secret by the Marquis de Lafayette to reach America to help the insurgents.
Stats
Diameter (estimated): 12 km (12 ± 4 km)
Semi-major axis: 768 ± 11 km
Orbital Period: 2.58 days
Rotation period: ?
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