[Isocops] IBEX Orbit# 189 ATS v002 (08 Dec 12 - 17 Dec 12)
Tim Perry
Perry.Tim at orbital.com
Sat Nov 24 11:55:03 EST 2012
All,
I hope everyone had a wonderful Thanksgiving...
Attached are the products for Orbit 189. And, Yes!!! It's version 2 due
to the edits in the command load. I've incorporated a battery balancing
cycle in the command load post eclipse.
Below are the details.
Approvals/comments will be required before COB Nov 27
Thanks
Tim :-)
The 1 violation is due to the moderate eclipse.
==========================
SOFT CONSTRAINT VIOLATIONS
==========================
IBX-CLC-015: Battery charge falls below minimum from 2012/12/17 03:22:31
UTC -
2012/12/17 03:56:25 UTC. Lowest charge level is 7402.91555
watt-minutes during this interval.
The Eclipse times had shifted a little from Ryan's original email. Per
Ryan's instructions the LE flag should have been set to false @03:25, But
the eclipse now ends @03:33. I found Ryan's instructions about eclipse
management and decided to do a battery balancing post eclipse. I decided
to go for the standard 90 minutes vs the post 2 hours that was in the
rules. A follow up contact is scheduled for 05:30. This contact can be
used to verify the the LE flag has been set back to false and to dump the
SSR.
# Orbit# 189 Moderate Eclipse
# 2012-12-17T02:28:31.821Z,EclipseEntry,orbit:189,moderate:true,long:false
#
2012-12-17T03:33:10.374Z,EclipseExit,orbit:189,moderate:true,long:falselancing
# Battery Balancing from 03:33:00 - 05:03:00
@ECT_SetLongEclipseFlag TRUE $TIME=2012/12:17:00:52:00
@ECT_SetLongEclipseFlag FALSE $TIME=2012/12:17:05:03:00
IBEX Short Eclipse Management
# 90 minutes prior to the start of the eclipse, set the long eclipse flag
to TRUE
# 2 hours after the end of the eclipse, set the long eclipse flag to FALSE
(no further cell balancing is needed)
# Schedule the inertial maneuver for sometime that is NOT within the span
of the long eclipse flag being set to TRUE
# Schedule ground contact for sometime that is NOT within the span of the
long eclipse flag being set to TRUE
# As per Ryan Tyler
Timothy E. Perry
IBEX Mission Ops Lead
Space Systems Group
Orbital Sciences Corp
45101 Warp Dr.
Dulles, Va 20166
Office: (703) 406-5976
Cell:(301) 606-1430
perry.tim at orbital.com
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