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Instrument 9 germanium detectors (7.1-cm dia. x 8.5
cm)
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Cooled to 75 K with Sunpower cooler
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Grid pitches from 34 microns to 2.75
mm
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1.55-m grid separation
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Solar Aspect System to <1
arcsecond
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Roll Angle System to ~1 arcminute
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Weight 130 kg
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Power 125
watts
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Telemetry 12 Gbits in 2 days
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Spacecraft Spinning at 12 - 20 rpm
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Pointing to within 0.1° of Sun center
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Launch
Vehicle Pegasus XL from KSC
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Orbit 38° inclination
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600 km altitude, >3-year life
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Launch
Date March 2001
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Operations 2 years, 3 years highly desirable
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