Wednesday, July 27, 1994

Hilat

 1983-063A


The Transit O-16 satellite, originally built by RCA, was modified for auroral research and studies of ionospheric irregularities, and renamed Hilat. It was launched in Jun 1983 as Space Test Program flight P83-1.

Hilat used a Scout D-1 launch vehicle with a Castor IIA second stage (S/N 795M) originally assigned as a strapon in the USAF Thor inventory.

The AIM had two visible-light photometers and a vacuum UV Ebert-Fastie spectrometer with focal length of 1m, a parabolic telescope, and a PMT detector.

The Hilat satellite was built by APL for the Defense Nuclear Agency. Principal investigators for the beacon experiment were M. Cousins and C. Rino of SRI International (Menlo Park). Control was by the Naval Astronautics Group.


Hilat 
 

DateTimeEventOrbit  

1983 Jun 27  1537:08 Launch by Scout  V SLC5 
  T+1:23 St 1 burnout 
  T+1:28 St 1 sep 
  T+1:35 St 2 burn 39s 
  T+2:14 St 2 burnout 
  T+2:35 Fairing sep
  T+2:36 St 2 sep 
  T+2:37 St 3 burn 
  T+3:10 St 3 burnout 
  T+9:49 Spinup 
 1548:19 T+10:06/11:11 St 3 sep 
 1548:58  St 4 burn 33s  -4740 x 831 x 80.9 
 1549:31  St 4 burnout 
 1553:46 St 4 sep 
   101.0 770 x 837 x 82.0 
1983 Jul 3   Gravity boom deploy 
1983 Jul 11   Doppler transmitters used for DMA gravity model 
1983 Jul 22   Auroral obs from Kiruna 
1983 Jul 23   Auroral mapper experiment failed 
1983 Aug 26   Control to NAVASTROGRU 
1989 Jun 5   end of mission 

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