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Designation n/a
Launch date 21 Sep 2001
Country of origin United States
Mission Remote sensing
Perigee/Apogee n/a (planned: 800 km, sun-synchronous (10:30 AM))
Inclination n/a
Period n/a
Launch vehicle Taurus #6

Mission operated by NASA to study ozone. The instrument was to fly on a Meteor 3M satellite but as the mission was cancelled, NASA ordered this little satellite. Worth $23 million including the launch.

End of life

Out of service 21 Sep 2001
Cause launch failure
Decay 21 Sep 2001

External resources


Technical data


Prime contractor OSC
Platform Microstar
Mass at launch 166.1 kg
Mass in orbit  
Payload pass 35 kg
Solar array  
Stabilization 3-axis
DC power EOL: 228 W
Design lifetime 5 years (3 years for the payload)

Will carry a Total Ozone Mapping Spectrometer (TOMS-5)

Communication in S-band: 2 kbps uplink & 500 kbps uplink

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