reflector navigation structure general satellite info ilrs support retroreflector info center of mass site performance info

LAGEOS-1, -2: Reflector Information

RetroReflector Array (RRA) Characteristics:

The LAGEOS satellites are covered with 426 cube corner reflectors with all but four of these reflectors made with fused silica glass. The other four reflectors are made of germanium to obtain measurements in the infrared for experimental studies of reflectivity and satellite orientation.

Prelaunch Testing of the Laser Geodynamic Satellite (LAGEOS), NASA Technical Paper 1062, 1977