[Isocops] IBEX Orbit# 98 ATS (19 Oct - 26 Oct 10) - approve
Mark Tapley
mtapley at swri.edu
Fri Oct 8 18:31:17 EDT 2010
All,
I have looked at the Orbit 98 ATS
(IBEX_2010_292_00_00_v001.txt), and I approve.
The only constraint violation is the PL mode unknown
violation that we get every time.
Ken's script reports the PL commands are as in the STF v002.
PL operations all make sense WRT 15 Re times (given the existing
offset in ephemerides, yes I need to check that Real Soon Now).
Transmitter on times line up with the ground station contact times.
Battery cell balancing takes place more than an hour after
last contact and more than an hour before the next event.
The sun-pointing maneuver leaves us in a safe direction at
the time of the maneuver and at the succeeding ascent and descent:
[tapley at ena ~]$ ibex_rotate -o -u
-0.8320921102962439,-0.5090106761546167,-0.22029718914085872 -w
ibex-sun -t 2010/10:26:10:54:26
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.832092,-0.509011,-0.220297
which is R.A. +211.455 Decl. -12.726
missing R.A. +210.559 Decl. -12.446 (ibex-sun)
error is R.A. +0.896 Decl. +0.280
for a total 0.919 deg
[tapley at ena ~]$ ibex_rotate -o -u
-0.8320921102962439,-0.5090106761546167,-0.22029718914085872 -w
ibex-sun -t 2010-10-27T02:23:52.633Z
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.832092,-0.509011,-0.220297
which is R.A. +211.455 Decl. -12.726
missing R.A. +211.158 Decl. -12.623 (ibex-sun)
error is R.A. +0.297 Decl. +0.104
for a total 0.308 deg
[tapley at ena ~]$ ibex_rotate -o -u
-0.8320921102962439,-0.5090106761546167,-0.22029718914085872 -w
ibex-sun -t 2010-11-02T18:31:03.066Z
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.832092,-0.509011,-0.220297
which is R.A. +211.455 Decl. -12.726
missing R.A. +217.646 Decl. -14.852 (ibex-sun)
error is R.A. +6.191 Decl. +2.125
for a total 6.376 deg
O-mode will continue in Orbit 99.
At 15:14 -0400 10/8/10, Ibex Mission Operations wrote:
>Guys,
> Here is the ATS for Orbit# 98. Please reply to this email
>thread for comments/approvals.
>I will need approvals/comments by 10am EDT 9 Oct 10. The ATS will
>be uploaded during one of Perigee #96 contacts listed below in UTC
>IBEX,USHI01,ADD,10/11/10,284,02:45:00,10/11/10,284,03:20:00,,LAHO 2K
>IBEX Orbit# 96 Desc Apogee Contact
>IBEX,USAK01,ADD,10/11/10,284,07:45:00,10/11/10,284,08:20:00,,LAHO
>320K IBEX Orbit# 96 SSR_Dump/Tracking
>IBEX,USHI01,ADD,10/12/10,285,02:00:00,10/12/10,285,03:30:00,,LAHO
>64K IBEX Orbit# 96 SSR_Dump/Tracking
>
>Orbit# 98 Command Constraints/Violations
>==========================
>SOFT CONSTRAINT VIOLATIONS
>==========================
>NO VIOLATIONS.
>==============
>OTHER MESSAGES
>==============
>IBX-CLC-009W: Payload mode unknown during interval 2010/10/19 10:00:00 UTC -
> 2010/10/19 11:50:00 UTC, which overlaps times when IBEX is under
> 10 RE at 2010/10/19 10:00:00 UTC - 2010/10/19 11:50:00 UTC
>
>* @ACT_SetSpinPulseProtectEnable Disable $TIME=2010/10:19:11:47:00
> @FCT_SetScState science $TIME=2010/10:19:11:48:00
> @ACT_SetSpinPulseProtectEnable Enable $TIME=2010/10:19:11:49:00
> @CEU_LO_SCIENCE_MODE NORMAL $TIME=2010/10:19:11:49:00
>
>
>
>
>
>--
>Sheral R. Wesley
>SPVR., Satellite Operations
>IBEX Mission OPS
>(304) 279-6678
>
>
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--
- Mark 210-379-4635
-----------------------------------------------------------------------
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