NEXT SPACEFLIGHT

Status

Success

Stacksat 1 to 3 & P87-2 (USA-56 to USA-58)

Launch Time
Wed Apr 11, 1990 15:00 UTC

Rocket

Atlas-E/F Altair
Image Credit: USAF or NASA
Lockheed
Status: Retired
Payload to LEO: 210 kg
Stages: 2
Strap-ons: 0

Mission Details

Stacksat 1 to 3 (USA-56 to USA-58)

The U.S. military's STACKSAT mission involved the launch of three similar technology spacecraft, POGS & SSR, TEX and SCE.

Payloads: 3
Total Mass: 204.0 kg
Low Earth Orbit

P87-2

PDD (Prototype Deployment Device) was an experimental mechanical latch designed for use in zero-gravity, which was tested as a secondary payload on the Stacksat launch. It was attached to the payload adaptor situated between the Altair-3A upper stage and the bottom spacecraft.

Payloads: 1

Location

SLC-3W, Vandenberg SFB, California, USA

Stats

1990

33rd orbital launch attempt

Atlas-Altair

1st mission
1st mission of 1990
1st successful mission