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Designation n/a
Launch date 4 Mar 2011
Country of origin United States
Mission Remote sensing
Perigee/Apogee 811 km
Inclination 98.2°
Launch vehicle Taurus XL #9

End of life

Out of service 4 Mar 2011
Cause Launch failure

Would have allowed scientists to better understand how the Sun and tiny atmospheric particles called aerosols affect Earth's climate. Both aerosols and solar energy influence the planet's energy budget, which is the amount of energy entering and exiting Earth's atmosphere.

Would have joined the "A-train".

Technical data


Prime contractor  
Platform Leostar
Mass at launch 524 kg
Dry mass  
Solar array  
DC power  
Design lifetime  

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