[Isocops] ATS approval
Mark Tapley
mtapley at swri.edu
Wed Jun 23 19:34:12 EDT 2010
All,
checked over the .ATS file. Ken reports the PL commands match
what was in the .STF. Transmit times match ground antenna times.
Reading from the pointing vector in the previous .ATS,
IBEX_2010_177_00_00_v001.scr, Sun-angles are good at the end of the
maneuver time,
[tapley at ena o0081]$ ibex_rotate -o -u
-0.22514253212319688,0.8937882083833745,0.387883331407774 -w ibex-sun
-t 2010/07:04:06:07:54
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.225143,+0.893788,+0.387883
which is R.A. +104.138 Decl. +22.823
missing R.A. +103.105 Decl. +22.879 (ibex-sun)
error is R.A. +1.034 Decl. +0.056
for a total 0.954 deg
at Ascending time (start),
[tapley at ena o0081]$ ibex_rotate -o -u
-0.22514253212319688,0.8937882083833745,0.387883331407774 -w ibex-sun
-t 2010/07:04:20:51:51
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.225143,+0.893788,+0.387883
which is R.A. +104.138 Decl. +22.823
missing R.A. +103.718 Decl. +22.857 (ibex-sun)
error is R.A. +0.420 Decl. +0.034
for a total 0.389 deg
and at descending time (end)
[tapley at ena o0081]$ ibex_rotate -o -u
-0.22514253212319688,0.8937882083833745,0.387883331407774 -w ibex-sun
-t 2010/07:11:15:46:49Quaternion
+0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.225143,+0.893788,+0.387883
which is R.A. +104.138 Decl. +22.823
missing R.A. +110.707 Decl. +22.059 (ibex-sun)
error is R.A. +6.568 Decl. +0.764
for a total 6.118 deg
I approve.
--
- Mark 210-379-4635
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