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LAser RElativity Satellite


Designation 38077 / 12006A
Launch date 13 Feb 2012
Country of origin Italy
Mission Geodesy
Perigee/Apogee 1442/1459 km
Inclination 69.5°
Period 114.7 min
Launch vehicle Vega #1

For the Italian Space Agency (ASI)

Is a tungsten sphere with reflectors mounted in 92 holes punched into its surface. Claims to have the lowest ballistic coefficient of any satellite launched to date.

The main scientific goal is to test Albert Einstein's theory of general relativity using the international Laser Ranging Service (LRS) network to measure the frame-dragging or Lense-Thirring effect with very high accuracy.

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Technical data


Prime contractor CGS Compagnia Generale per lo Spazio (subsidiary of OHB Group)
Mass at launch 400 kg
Dry mass  
Dimension 36.4 cm diameter
Solar array  
DC power  
Design lifetime  

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