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Delta 2914 623/D135

Delta 2914 article 623/D135 successfully launched the paired ISEE 1 and ISEE 2 magnetospheric spacecraft, later designated Explorers 56 and 57, into highly elliptical Earth orbits on 22 October 1977.

Identity

Aliases
Delta 135ISEE 1/2 launch vehicleISEE-A/B launch vehicleExplorer 56/57 launch vehicleThor 623 / Delta 135
Name
Delta 2914 623/D135
Slug
delta-2914-623-d135
Status
retired

Details

Description
Delta 2914 article 623/D135 successfully launched the paired ISEE 1 and ISEE 2 magnetospheric spacecraft, later designated Explorers 56 and 57, into highly elliptical Earth orbits on 22 October 1977.
Operator
Vehicle Family

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Creation Time
July 18, 2026 at 06:47:24 UTC
Updated Time
July 18, 2026 at 06:47:24 UTC

Other

First Flight Date
1977-10-22
Last Flight Date
1977-10-22
Serial Number
623/D135
Vehicle Code
D135