Questions tagged [agena]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
9
votes
1answer
935 views

Why did Agena lose out to Centaur?

Agena and Centaur are both rocket upper stage families that were designed in the late 1950s. Agena was used as a rendezvous target during Gemini, and was last used in 1987. In contrast, Centaurs ...
3
votes
1answer
229 views

Why did the Agena-D leak oxidiser when starting its engine?

The Agena-D upper stage, although extremely reliable, had a tendency to leak some of its RFNA oxidiser when starting its Bell 8096 engine; although not a problem for a stock Agena-D, it did cause ...
6
votes
1answer
325 views

How did Gemini/Agena rendezvous?

From this Wikipedia article, the time to launch between the two missions was 1 hour 41 minutes (15:00 and 16:41 UTC, respectively), which is pretty much 1 orbit in LEO. That would give a nodal ...