RE: 4 years since AEHF 1 made it to geo orbit

From: Ted Molczan via Seesat-l <>
Date: Tue, 27 Oct 2015 22:37:15 -0400
Scott Tilley asked Kevin Fetter:

> Did you mean 'ion thruster'?  AEHF-1 used this to perform its long and
> steady climb to GEO.

After the liquid apogee engine failed to fire, the perigee was raised several thousand kilometres by a number of lengthy
firings of attitude control thrusters. Once that was accomplished, the yearlong ion thruster firings began.

This was my last summary of the group's tracking, days before arrival at the planned orbit:

Ted Molczan

Seesat-l mailing list
Received on Tue Oct 27 2015 - 21:38:08 UTC

This archive was generated by hypermail 2.3.0 : Wed Oct 28 2015 - 02:38:08 UTC