Hi all,
I have looked at the orbit 0659 ATS file, IBEX_2024_234_o0659a_v001.scr and I approve.
The constraint violations in IBEX_2024_234_o0659a_v001.ccvr are from the removal of the ACT_SetSpinPulseProtectEnable Enable commands. The violations are acceptable.
The PL commands in IBEX_2024_234_o0659a_v001.scr match those in the STF, IBEX_2024_234_o0659a_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_2024_234_o0659a_v001.oef
and as verified with ibex_orbit.
There is 1 star tracker outage this orbit. Outage begins at 2024-08-22 03:11:54 and lasts for 7.4 hours.
The ground station command sequences are correct and the timing and bit rates match those in the contacts file, IBEX_Orbit659_Contacts.txt for all contacts (3).
Battery Balancing is 90 minutes long, more than 2 hours away from payload descending macros, and more than 15 minutes away from a maneuver.
The Inertial maneuver at perigee of orbit 0658 left us pointing in safe directions for the orbit 0659 arc A ascending and descending sequences:
ibex_rotate -o -u -0.832924,0.511237,0.211837 -w ibex-sun -t 2024/08:22:04:50:59
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.832924,+0.511237,+0.211837
which is R.A. +148.459 Decl. +12.230
missing R.A. +151.376 Decl. +11.713 (ibex-sun)
error is R.A. +2.917 Decl. +0.517
for a total 2.900 deg
ibex_rotate -o -u -0.832924,0.511237,0.211837 -w ibex-sun -t 2024/08:25:21:19:20
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.832924,+0.511237,+0.211837
which is R.A. +148.459 Decl. +12.230
missing R.A. +154.666 Decl. +10.528 (ibex-sun)
error is R.A. +6.207 Decl. +1.703
for a total 6.318 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 -0.873628,0.450218,0.184603 -w ibex-sun -t 2024/08:25:23:02:28
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.873628,+0.450218,+0.184603
which is R.A. +152.736 Decl. +10.638
missing R.A. +154.731 Decl. +10.504 (ibex-sun)
error is R.A. +1.995 Decl. +0.134
for a total 1.966 deg
ibex_rotate -o -u -0.873628,0.450218,0.184603 -w ibex-sun -t 2024/08:26:00:37:34
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.873628,+0.450218,+0.184603
which is R.A. +152.736 Decl. +10.638
missing R.A. +154.792 Decl. +10.481 (ibex-sun)
error is R.A. +2.056 Decl. +0.157
for a total 2.027 deg
ibex_rotate -o -u -0.873628,0.450218,0.184603 -w ibex-sun -t 2024/08:30:12:33:13
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.873628,+0.450218,+0.184603
which is R.A. +152.736 Decl. +10.638
missing R.A. +159.001 Decl. +8.847 (ibex-sun)
error is R.A. +6.265 Decl. +1.791
for a total 6.429 deg
The Inertial precession maneuver at perigee leaves us pointing in safe directions at the time of the maneuver and at orbit 0660 apogee:
ibex_rotate -o -u -0.908941,0.38601,0.157555 -w ibex-sun -t 2024/08:30:14:52:39
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.908941,+0.386010,+0.157555
which is R.A. +156.990 Decl. +9.065
missing R.A. +159.093 Decl. +8.807 (ibex-sun)
error is R.A. +2.103 Decl. +0.258
for a total 2.094 deg
ibex_rotate -o -u -0.908941,0.38601,0.157555 -w ibex-sun -t 2024-09-04T14:04:02
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.908941,+0.386010,+0.157555
which is R.A. +156.990 Decl. +9.065
missing R.A. +163.485 Decl. +7.049 (ibex-sun)
error is R.A. +6.495 Decl. +2.016
for a total 6.739 deg
There is no overlap with orbit 0658 commands.
Command Approval Checklist is attached.
Carol
--
Carol Weaver
University of New Hampshire
503-902-8492