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Delta 3913 642/D155

Delta 3913 article 642/D155 made the sole flight of the 3913 configuration and launched Dynamics Explorer 1 and 2 on 3 August 1981. Incorrect second-stage propellant loading reduced performance, but both spacecraft entered usable coplanar polar orbits and supported the mission's magnetosphere-ionosphere studies.

Identity

Aliases
Delta 155Dynamics Explorer 1/2 launch vehicleDE-A/B launch vehicleThor 642 / Delta 155
Name
Delta 3913 642/D155
Slug
delta-3913-642-d155
Status
retired

Details

Description
Delta 3913 article 642/D155 made the sole flight of the 3913 configuration and launched Dynamics Explorer 1 and 2 on 3 August 1981. Incorrect second-stage propellant loading reduced performance, but both spacecraft entered usable coplanar polar orbits and supported the mission's magnetosphere-ionosphere studies.
Operator
Vehicle Family

Links

Assets & Meta

Creation Time
July 18, 2026 at 06:56:09 UTC
Updated Time
July 18, 2026 at 06:56:09 UTC

Other

First Flight Date
1981-08-03
Last Flight Date
1981-08-03
Serial Number
642/D155
Vehicle Code
D155