← All launches
Launch FailureUnited States Air Force
Thorad SLV-2G Agena D: Nimbus B
The Nimbus-B meteorological R&D satellite was designed to serve as a stabilized, earth-oriented platform for the testing of advanced systems for sensing and collecting meteorological data. It was lost due to a malfunction in the booster guidance system.
Saturday, 18 May 1968
Mission Data
🇺🇸United States Air ForceEst. 1947
Launch VehicleThorad SLV-2G Agena D
Vehicle FamilyThor
Vehicle Record29 of 30 launches (96.7%)
Provider TypeGovernment
Agency Record972 successes / 106 failures (90%)
Success Streak68 consecutive
Mission TypeEarth Science
Target OrbitSun-Synchronous Orbit
Launch PadSpace Launch Complex 2E
Location🇺🇸 Vandenberg SFB, CA, USA USA
Orbital Launches This Year#45
Agency Launches This Year#13
Launches From This Pad47
Launches From This Site923
Status Note
Either the launch vehicle did not reach orbit, or the payload(s) failed to separate.
About Thorad SLV-2G Agena D
Thor-Agena was a series of orbital launch vehicles. The rockets used Thor first stages and Agena second stages. They are thus cousins of the more-famous Thor-Deltas, which founded the Delta rocket family.
Launch Site
Space Launch Complex 2E · 34.7516°N 120.6192°W
Launch data from Launch Library 2 by The Space Devs.