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Atlas-Agena D no. 21

Atlas-Agena D no. 21, using Agena D stage AD137/6152, launched ATS 2 on 5 April 1967. Agena failed to restart as planned, leaving the spacecraft in an unintended elliptical orbit, but the launch vehicle remained identifiable and several experiments returned data.

Identity

Aliases
Atlas-Agena-21ATS 2 launch vehicleAgena D AD137/6152
Name
Atlas-Agena D no. 21
Slug
atlas-agena-d-no-21
Status
retired

Details

Description
Atlas-Agena D no. 21, using Agena D stage AD137/6152, launched ATS 2 on 5 April 1967. Agena failed to restart as planned, leaving the spacecraft in an unintended elliptical orbit, but the launch vehicle remained identifiable and several experiments returned data.
Operator Id
vh76vnx3yy1vy23j7zc3wk80wx7nhx5f
Vehicle Family Id
nd7ytrd5zd98beqeq4dxs3z6as8afp8k

Links

Assets & Meta

Creation Time
7/13/2026, 1:35:01 PM
Updated Time
7/13/2026, 1:35:01 PM

Other

First Flight Date
1967-04-05
Last Flight Date
1967-04-05
Serial Number
Agena D AD137/6152
Vehicle Code
ATS-A / ATS 2