Hi all,
I have looked at the orbit 0614 ATS file, IBEX_2023_191_o0614a_v002.scr and I approve.
The constraint violations in IBEX_2023_191_o0614a_v001.ccvr are from the removal of the ACT_SetSpinPulseProtectEnable Enable commands. The violations are acceptable.
The PL commands in IBEX_2023_191_o0614a_v002.scr match those in the STF, IBEX_2023_191_o0614a_v002.stf.
Ascending and descending command sequences are consistent with each other, 15 Re ascending, the apogee maneuver time and 15 Re descending as determined from the OEF, IBEX_2023_191_o0614a_v001.oef and as verified
with ibex_orbit.
There is 1 star tracker outage this orbit. It lasts for ~3 hours and starts ~13 hours after the perigee maneuver.
The ground station command sequences are correct and the timing and bit rates match those in the contacts file, IBEX_Orbit614_Contacts.txt for all contacts (3).
No Battery Balancing this orbit.
The Inertial maneuver at perigee of orbit 0613 left us pointing in safe directions for the orbit 0614 arc A ascending and descending sequences:
ibex_rotate -o -u -0.270005,0.886965,0.374688 -w ibex-sun -t 2023/07:11:06:19:57
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.270005,+0.886965,+0.374688
which is R.A. +106.931 Decl. +22.005
missing R.A. +109.916 Decl. +22.154 (ibex-sun)
error is R.A. +2.985 Decl. +0.149
for a total 2.770 deg
ibex_rotate -o -u -0.270005,0.886965,0.374688 -w ibex-sun -t 2023/07:14:22:22:11
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.270005,+0.886965,+0.374688
which is R.A. +106.931 Decl. +22.005
missing R.A. +113.578 Decl. +21.679 (ibex-sun)
error is R.A. +6.647 Decl. +0.326
for a total 6.178 deg
The Inertial precession maneuver at apogee leaves us pointing in safe directions at the time of the maneuver and for arc B ascending and descending sequences:
ibex_rotate -o -u -0.341957,0.866068,0.364682 -w ibex-sun -t 2023/07:15:00:05:19
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.341957,+0.866067,+0.364682
which is R.A. +111.546 Decl. +21.388
missing R.A. +113.652 Decl. +21.669 (ibex-sun)
error is R.A. +2.106 Decl. +0.281
for a total 1.979 deg
ibex_rotate -o -u -0.341957,0.866068,0.364682 -w ibex-sun -t 2023/07:15:01:40:25
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.341957,+0.866067,+0.364682
which is R.A. +111.546 Decl. +21.388
missing R.A. +113.720 Decl. +21.660 (ibex-sun)
error is R.A. +2.174 Decl. +0.272
for a total 2.040 deg
ibex_rotate -o -u -0.341957,0.866068,0.364682 -w ibex-sun -t 2023/07:19:14:20:18
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.341957,+0.866067,+0.364682
which is R.A. +111.546 Decl. +21.388
missing R.A. +118.408 Decl. +20.886 (ibex-sun)
error is R.A. +6.862 Decl. +0.502
for a total 6.420 deg
The Inertial precession maneuver at perigee leaves us pointing in safe directions at the time of the maneuver and at orbit 0615 apogee:
ibex_rotate -o -u -0.414354,0.838566,0.35372 -w ibex-sun -t 2023/07:19:17:04:51
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.414354,+0.838566,+0.353720
which is R.A. +116.295 Decl. +20.715
missing R.A. +118.522 Decl. +20.861 (ibex-sun)
error is R.A. +2.227 Decl. +0.146
for a total 2.087 deg
ibex_rotate -o -u -0.414354,0.838566,0.35372 -w ibex-sun -t 2023-07-24T14:14:51
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.414354,+0.838566,+0.353720
which is R.A. +116.295 Decl. +20.715
missing R.A. +123.265 Decl. +19.941 (ibex-sun)
error is R.A. +6.970 Decl. +0.774
for a total 6.581 deg
There is no overlap with orbit 0613 commands.
Command Approval Checklist is attached.
Carol
--
Carol Weaver
University of New Hampshire
503-902-8492