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Delta 2914 617/D130

Delta 2914 article 617/D130 launched ESA's GEOS 1 on 20 April 1977. Premature second/third-stage separation prevented proper spin-up; the third stage fired while incorrectly oriented, but spacecraft propulsion reached an alternate highly elliptical orbit from which GEOS 1 returned partial science.

Identity

Aliases
Delta 130GEOS 1 launch vehicleGEOS-A launch vehicleESA GEOS launch vehicleThor 617 / Delta 130
Name
Delta 2914 617/D130
Slug
delta-2914-617-d130
Status
retired

Details

Description
Delta 2914 article 617/D130 launched ESA's GEOS 1 on 20 April 1977. Premature second/third-stage separation prevented proper spin-up; the third stage fired while incorrectly oriented, but spacecraft propulsion reached an alternate highly elliptical orbit from which GEOS 1 returned partial science.
Operator
Vehicle Family

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Creation Time
July 18, 2026 at 06:47:15 UTC
Updated Time
July 18, 2026 at 06:47:15 UTC

Other

First Flight Date
1977-04-20
Last Flight Date
1977-04-20
Serial Number
617/D130
Vehicle Code
D130