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STEP 1 (P90-1)

STEP 1 [TRW]

STEP 1 (Space Test Experiment Platform 1) carried instrumentation to investigate ionospheric effects on radio communications and to improve atmospheric drag models, however the first flight on the Pegasus-XL which carried it on the 27th June 1994 failed. The satellite carried a range of six 5m long deployable antennas and booms. The spacecraft was 3-axis stabilized and the mission life time was to be three years.

Nation: USA
Type / Application: Experimental
Operator: USAF STP (Space Test Program)
Contractors: TRW, CTA → Orbital Sciences Corporation (OSC) (Bus)
Equipment:
Configuration: LEOStar
Propulsion: ?
Power: 4 deployable fixed solar arrays, batteries
Lifetime: 3 years
Mass: ?
Orbit:
Satellite COSPAR Date LS Launch Vehicle Remarks
STEP 1 (P90-1) 1994-F03 28.06.1994 Va, L-1011, RW30/12 F Pegasus-XL
Further STP missions: