"Phobos Hopper" . "Phobos 2 Orbiter and Lander" . . "19287" . . "2" . . . . "Phobos 2" . "1988-07-12" . . . . . . . . . "Phobos 2" . "1988-059A" . "2.23344E7" . . . . . . . . . . . . . .