[Isocops] IBEX Orbit# 131 ATS - approve.
Mark Tapley
mtapley at swri.edu
Sun Jun 19 21:23:51 EDT 2011
All,
I have looked at the Orbit 131 ATS v001
IBEX_2011_173_o0131a_v001.txt
and I approve.
No constraint violations.
The PL commands in the ATS v001 match the STF v001 files
IBEX_2011_181_o0131a_v001.stf
per Ken's script (Thanks, Ken!).
PL ascending and descending operations make sense with
respect to 15 Re ascending, Apogee, and 15 Re descending times from
IBEX_2011_173_o0131a_v001.oef
respectively.
Moon in -Lo FOV PMT setback commands in the STF match the ATS
part a; the .oef Moon-in-Lo FOV times are slightly longer and
concentric with the STF times, as usual.
No ground station contact times. I assume those must be
loaded independently.
No battery cell balancing commands for this odd-numbered orbit.
Inertial maneuver at the end of orbit 130 (large slew from
Burn pointing) left us pointing in a safe direction up to the Apogee
Descending Macros.
Inertial maneuver at apogee leaves us pointing in a safe
direction at maneuver and at following Ascending and Descending
Macros.
[tapley at ena ~]$ ibex_rotate -o -u -0.178039,0.907641,0.380118 -w
ibex-sun -t 2011/07:04:13:48:10
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.178039,+0.907641,+0.380118
which is R.A. +101.098 Decl. +22.341
missing R.A. +103.241 Decl. +22.856 (ibex-sun)
error is R.A. +2.143 Decl. +0.515
for a total 2.044 deg
[tapley at ena ~]$ ibex_rotate -o -u -0.178039,0.907641,0.380118 -w
ibex-sun -t 2011/07:04:15:35:14
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.178039,+0.907641,+0.380118
which is R.A. +101.098 Decl. +22.341
missing R.A. +103.318 Decl. +22.848 (ibex-sun)
error is R.A. +2.220 Decl. +0.507
for a total 2.112 deg
[tapley at ena ~]$ ibex_rotate -o -u -0.178039,0.907641,0.380118 -w
ibex-sun -t 2011/07:09:00:07:19
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.178039,+0.907641,+0.380118
which is R.A. +101.098 Decl. +22.341
missing R.A. +107.736 Decl. +22.419 (ibex-sun)
error is R.A. +6.638 Decl. +0.078
for a total 6.138 deg
Inertial maneuver at perigee leaves us pointing in a safe
direction at maneuver and at following Apogee.
[tapley at ena ~]$ ibex_rotate -o -u -0.252058,0.892895,0.373101 -w
ibex-sun -t 2011/07:09:10:58:24
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.252058,+0.892895,+0.373101
which is R.A. +105.764 Decl. +21.907
missing R.A. +108.162 Decl. +22.389 (ibex-sun)
error is R.A. +2.398 Decl. +0.482
for a total 2.272 deg
[tapley at ena ~]$ ibex_rotate -o -u -0.252058,0.892895,0.373101 -w
ibex-sun -t 2011-07-13T22:24:26.167Z
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.252058,+0.892895,+0.373101
which is R.A. +105.764 Decl. +21.907
missing R.A. +112.803 Decl. +21.756 (ibex-sun)
error is R.A. +7.039 Decl. +0.151
for a total 6.536 deg
No O-mode this orbit.
No obvious overlaps to orbit 130. I have not checked
http://ibex.unh.edu/cgi-bin/ats.cgi, however. Transmitter on/off
commands will still need to be added and may cause overlaps, which
should not be a problem.
Command Approval Checklist attached.
--
- Mark 210-379-4635
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