STEP 4 [TRW]
STEP 4 (Space Test Experimental Program 4) was a technology demonstration satellite flown under the Space Test Program (STP).
It hosted three DoD payloads:
After reaching orbit, the solar panels failed to deploy properly, and there has been little or no uplink or downlink contact with the spacecraft. The mission was declared a failure soon after launch.
|Type / Application:||Experimental|
|Operator:||US Air Force (USAF) STP (Space Test Program)|
|Contractors:||TRW, CTA → Orbital Sciences Corporation (OSC) (Bus)|
|Equipment:||DIDM, EMPE, OOAM|
|Power:||4 deployable fixed solar arrays, batteries|
|Orbit:||430 km × 500 km, 45°|
|STEP 4 (P95-1)||1997-063A||22.10.1997||WI, L-1011, RW04/22||Pegasus-XL|
Further STP missions: