Apex

Advanced Photovoltaic and Electronic eXperiments, also called P90-6

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General

Designation	23191 / 94046A
Launch date	3 Aug 1994
Country of origin	United States
Mission	Scientific: magnetosphere study
Perigee/Apogee	360/2534 km
Inclination	69.9°
Period	115 min
Launch vehicle	Pegasus #7
Mass at launch	260 kg

Carries a variety of advanced solar cell experiments for the US Air Force: Photovoltaic Array and Space Power Plus Diagnostics (PASP-Plus), Ferroelectric Experiment (FERRO), and Cosmic Ray Upset Experiment (CRUX) to check the impact of radiation in the Van Allen belt on the other two target instruments.

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End of life

Out of service	Dec 1996
Cause
Decay

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External resources

http://www.geocities.com/CapeCanaveral/Lab/2690/apexmain.htm

sat-index articles

Technical data

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Specifications

Prime contractor	OSC
Platform	Pegastar
Mass at launch	< 570 kg
Mass in orbit
Dimension
Solar array
Stabilization
DC power	60 W
Design lifetime	12 months

Transmission: 2212.57 MHz

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