"8.64E-4" . . . . . "1981-05-24" . . . . "0.09" . "Larissa (moon)" . . . "4200.0" . . . "Larissa (moon)" . "3.5E9" . "1200.0" . . . "Larissa (moon)#Exploration" . . "18 August 1989" . "Larissa (moon)#Discovery" . "Larissa" . "S/1989 N 2 S/1981 N 1" . . . "21.5" . "moon of Neptune" . . "1.1823698E11" .