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Retro-reflector Ensemble For Laser Experiments, Calibration, Testing & Optical Research


Designation 27005 / 01056E
Launch date 10 Dec 2001
Country of origin United States
Mission Geodesy
Perigee/Apogee 985/1014 km
Inclination 99.7°
Period 99.7°
Launch vehicle Zenit #35

For space calibration (laser imaging and various optical sensors).
Built for NII KP, joint USAF Research Lab mission.

External resources

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Technical data


Prime contractor NII KP
Mass at launch 6 kg
Mass in orbit  
Dimension 1.4 m long x 0.5 m wide
Solar array  
DC power  
Design lifetime  

Made of four triangular fins on a square base plus a deployable boom, with an array of laser retroreflectors.

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