NEXT SPACEFLIGHT

Status

Failure

DMSP-5D1 F5

Launch Time
Tue Jul 15, 1980 02:22 UTC

Final flight of Long Tank Thor. The failure was attributed to faulty connections between the second and third stages, resulting in the third stage not receiving electrical power.

Rocket

Thor LV2F Star-ISS
US Air Force
Status: Retired
Stages: 2
Strap-ons: 3

Mission Details

DMSP-5D1 F5

DMSP-5D1 (Defense Meteorological Satellite Program Block 5D1) was the ninth version of the military meteorological satellites of the Defense Meteorological Satellite Program. These version was also known as AMS (Advanced Meteorological Satellite).

This series introduced a new 3-axis stabilized bus with integrated propulsion system, so that the satellite itself acted as an upper stage for the launch vehicle. It consisted of a Star-37XE and a Star-37S motor and the ISS (Integrated Stage System) control system featuring four axial hydrazine thrusters. Power was supplied by a single, articulated 8-segmented solar array.

Payloads: 1
Total Mass: 513.0 kg
Sun-Synchronous Orbit

Location

SLC-10W (75-2-6), Vandenberg SFB, California, USA

Stats

1980

62nd orbital launch attempt

Thor-Burner

31st mission
1st mission of 1980
3rd failed mission