[Isocops] IBEX Orbit# 104 ATS - approve

Mark Tapley mtapley at swri.edu
Wed Nov 24 16:37:49 EST 2010


All,
	I have looked at the Orbit 104 ATS v002 
(IBEX_2010_337_00_00_v002.txt) and I approve.

	The standard "PL mode unknown at the beginning" constraint 
violation is the only one.

	The PL commands match the STF v001 file 
(IBEX_2010_338_04_10_v001.stf) per Ken's script. PL operations all 
make sense WRT 15 Re times, ascending and descending. The current 
.oef is only off from the Orbit 102 Forecast .oef by ~2 minutes.

	Ground station times line up nicely with the transmitter on times.

	Battery cell balancing is > 1 hour from anything.

	The sun-pointing maneuver leaves us in a safe direction at 
the time of the maneuver and at succeeding ascent and descent:


[tapley at ena ~]$ ibex_rotate -o -u 
-0.17452952990941153,-0.9035386927891261,-0.3913531318675203 -w 
ibex-sun -t 2010/12:11:06:31:50
Quaternion    +0.000000,+0.000000,+0.000000,+0.000000
  points axis  +1.000000,+0.000000,+0.000000
  towards ECI  -0.174530,-0.903539,-0.391353
  which is     R.A. +259.067 Decl. -23.039
  missing      R.A. +257.990 Decl. -22.983 (ibex-sun)
  error is     R.A.   +1.077 Decl.  +0.056
  for a total  0.993 deg
[tapley at ena ~]$ ibex_rotate -o -u 
-0.17452952990941153,-0.9035386927891261,-0.3913531318675203 -w 
ibex-sun -t 2010-12-11T22:15:15.072Z
Quaternion    +0.000000,+0.000000,+0.000000,+0.000000
  points axis  +1.000000,+0.000000,+0.000000
  towards ECI  -0.174530,-0.903539,-0.391353
  which is     R.A. +259.067 Decl. -23.039
  missing      R.A. +258.677 Decl. -23.011 (ibex-sun)
  error is     R.A.   +0.390 Decl.  +0.028
  for a total  0.360 deg
[tapley at ena ~]$ ibex_rotate -o -u 
-0.17452952990941153,-0.9035386927891261,-0.3913531318675203 -w 
ibex-sun -t 2010-12-18T16:04:27.615Z
Quaternion    +0.000000,+0.000000,+0.000000,+0.000000
  points axis  +1.000000,+0.000000,+0.000000
  towards ECI  -0.174530,-0.903539,-0.391353
  which is     R.A. +259.067 Decl. -23.039
  missing      R.A. +266.139 Decl. -23.407 (ibex-sun)
  error is     R.A.   +7.072 Decl.  +0.368
  for a total  6.509 deg

At 8:11 -0500 11/24/10, Ibex Mission Operations wrote:
>Guys,
>    Here is the ATS for Orbit# 104.  I need approvals/comments by COB today. 
>The ATS will be uploaded during one of the contacts listed below in UTC
>IBEX,USAK01,ADD,11/25/10,329,22:00:00,11/25/10,329,23:00:00,,LAHO 
>160K IBEX Orbit# 102 SSR_Dump/Tracking Contact
>IBEX,AUWA01,ADD,11/26/10,330,13:00:00,11/26/10,330,13:35:00,,LAHO 2K 
>IBEX Orbit# 102 Tracking Contact
>
>
>I have also included the command loads for the USN/HAW02 Calibration 
>contacts.  They will be loaded upon command space available.

At 16:32 -0500 11/24/10, Ibex Mission Operations wrote:
>Guys,
>     I have made V002 of the ATS.  The battery cell balancing time was changed.
>
>Please review the ATS before 1600 EDT 25 Nov 10

-- 
						- Mark     210-379-4635
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