[Isocops] IBEX ORbit# 155 ATS (3 Feb 12 - 13 Feb 12)
Reno, Michelle
mreno at swri.edu
Tue Jan 24 19:26:24 EST 2012
I approve IBEX_2012_034_o0155a_v001.scr
From: isocops-bounces at lists.sr.unh.edu
[mailto:isocops-bounces at lists.sr.unh.edu] On Behalf Of Ibex Mission
Operations
Sent: Sunday, January 22, 2012 3:48 PM
To: Bret Hautamaki; IBEX-FDG; IBEXOPS/ORB; ISOC at New Hampshire; John
Cavallo; Tapley, Mark; Robert Lockwood; Roland Vanderspek; Ryan Tyler;
Sheral Wesley; Thomas Regiec; Tim Perry; Walker Cross
Subject: [Isocops] IBEX ORbit# 155 ATS (3 Feb 12 - 13 Feb 12)
Guys,
Here are the planning files for Orbit# 155.
Please respond to this email link for all approvals/comments which are
due by 24 Jan 12 @ 1800 UTC
1. Command Load Constraint Violations:
SOFT CONSTRAINT VIOLATIONS
==========================
IBX-CLC-008: Spacecraft state is HK during interval 2012/02/04 09:15:20
UTC -
2012/02/04 09:29:06 UTC, which overlaps HVSCI payload mode
at
2012/02/04 09:15:20 UTC - 2012/02/04 09:29:06 UTC
IBX-CLC-008: Spacecraft state is HK during interval 2012/02/04 09:29:06
UTC -
2012/02/08 10:40:48 UTC, which overlaps HVSCI payload mode
at
2012/02/04 09:29:06 UTC - 2012/02/08 10:40:48 UTC
IBX-CLC-015: Battery charge falls below minimum from 2012/02/04 03:37:00
UTC -
2012/02/12 21:24:23 UTC. Lowest charge level is 0.000000
watt-minutes during this interval.
* The previous command load ended after 10_re ascending because a
contact straddled the 10_re ascending mark. The contact was orginally
planned at 9_re ascending and moved closer to the mark because of the
EPH time shift.
The time start for this ATS is at 4 Feb 12 @ 0338 UTC anf the 10_re
ascending commands occur before MPS recognizes them and gives the errors
listed above.
I will change all existing contacts that are close to the 10_re mark
to stop this from happening in the future.
* The battery charge levels will remain until we find a fix in MPS 1.4
or dump the history timeline.
MPS 1.4 shows a pre-warm long eclipse heater that has been on since
Orbit# 152, but commands were not sent and the heater is not on. The
eclipse commands were sent via ABS in the command builder.
The problem is currently in review.
--
Sheral R. Wesley
SPVR., Satellite Operations
IBEX Mission OPS
(304) 279-6678 <tel:%28304%29%20279-6678>
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