[Isocops] IBEX Orbit# 345 ATS Approval (27 Oct 16 - 5 Nov 16) - v001 appproval
Ken Fairchild
fair-play at comcast.net
Sun Oct 16 11:56:55 EDT 2016
All,
I have looked at the orbit 345 ATS,
IBEX_2016_301_o0345a_v001.scr,
and I approve.
The only constraint violations in
IBEX_2016_301_o0345a_v001.ccvr
are because we removed the
ACT_SetSpinPulseProtectEnable Enable
commands (2); the violations are expected.
The PL commands in the v001 ATS match those in the v002 STF,
IBEX_2016_301_o0345a_v002.stf,
except that the ATS has an SSR_DUMP_NEW command. This is expected as APL is being used for the dump pass.
Ascending and descending command sequences are consistent with each other and 15 Re ascending, the apogee maneuver time and 15 Re descending as determined from the OEF,
IBEX_2016_301_o0345a_v001.oef,
and as verified with ibex_orbit.
There are no star tracker outages.
There are no moon in Lo FOV sessions.
The ground station command sequences are correct and the timing and bit rates match those in the contacts file,
IBEX_Orbit345_Contacts.txt,
for all contacts (3).
No battery cell balancing this orbit; we'll do it again in the next orbit.
The inertial maneuver at perigee of orbit 344 left us pointing in safe directions for the orbit 345 arc A ascending and descending sequences:
ibex_rotate -o -u -0.85141,-0.47732,-0.217411 -w ibex-sun -t 2016/10:27:19:54:20
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.851410,-0.477320,-0.217411
which is R.A. +209.276 Decl. -12.557
missing R.A. +212.341 Decl. -13.072 (ibex-sun)
error is R.A. +3.065 Decl. +0.515
for a total 3.033 deg
ibex_rotate -o -u -0.85141,-0.47732,-0.217411 -w ibex-sun -t 2016/10:31:08:33:55
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.851410,-0.477320,-0.217411
which is R.A. +209.276 Decl. -12.557
missing R.A. +215.644 Decl. -14.212 (ibex-sun)
error is R.A. +6.368 Decl. +1.655
for a total 6.412 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 -0.807403,-0.537149,-0.244072 -w ibex-sun -t 2016/10:31:10:17:03
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.807403,-0.537149,-0.244072
which is R.A. +213.635 Decl. -14.127
missing R.A. +215.713 Decl. -14.235 (ibex-sun)
error is R.A. +2.078 Decl. +0.108
for a total 2.018 deg
ibex_rotate -o -u -0.807403,-0.537149,-0.244072 -w ibex-sun -t 2016/10:31:11:52:09
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.807403,-0.537149,-0.244072
which is R.A. +213.635 Decl. -14.127
missing R.A. +215.777 Decl. -14.255 (ibex-sun)
error is R.A. +2.142 Decl. +0.128
for a total 2.081 deg
ibex_rotate -o -u -0.807403,-0.537149,-0.244072 -w ibex-sun -t 2016/11:04:19:51:05
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.807403,-0.537149,-0.244072
which is R.A. +213.635 Decl. -14.127
missing R.A. +220.154 Decl. -15.598 (ibex-sun)
error is R.A. +6.519 Decl. +1.471
for a total 6.470 deg
The inertial maneuver at perigee leaves us pointing in safe directions at the time of the maneuver and at orbit 346 apogee:
ibex_rotate -o -u -0.759329,-0.593125,-0.267625 -w ibex-sun -t 2016/11:04:22:10:26
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.759329,-0.593125,-0.267625
which is R.A. +217.994 Decl. -15.523
missing R.A. +220.257 Decl. -15.631 (ibex-sun)
error is R.A. +2.263 Decl. +0.108
for a total 2.183 deg
ibex_rotate -o -u -0.759329,-0.593125,-0.267625 -w ibex-sun -t 2016-11-09T19:48:25.124Z
Quaternion +0.000000,+0.000000,+0.000000,+0.000000
points axis +1.000000,+0.000000,+0.000000
towards ECI -0.759329,-0.593125,-0.267625
which is R.A. +217.994 Decl. -15.523
missing R.A. +225.043 Decl. -17.084 (ibex-sun)
error is R.A. +7.049 Decl. +1.561
for a total 6.943 deg
No Lo O-mode.
There is no overlap with orbit 344 commands by manual inspection or by checking at
http://ibex.unh.edu/cgi-bin/ats.cgi .
Command Approval Checklist is attached.
Ken
----- Original Message -----
From: "Wesley.Sheral" <sheral.wesley at orbitalatk.com>
To: "David Heirtzler" <dheirtzl at atlas.sr.unh.edu>, "IBEX-FDG" <IBEX.fdg at applieddefense.com>, "IBEXOPS" <IBEXOPS at gmail.com>, "ISOC" <isocops at lists.sr.unh.edu>, "Ken Fairchild" <fair-play at comcast.net>, "Lockwood.Robert" <robert.lockwood at orbitalatk.com>, "Michelle Reno" <mreno at swri.edu>, "Nigel Angold" <nigel.angold at nasa.gov>, "Paul Janzen" <paul.janzen at umontana.edu>, "Perry.Tim" <tim.perry at orbitalatk.com>, "Tyler.Ryan" <ryan.tyler at orbitalatk.com>, "Wesley.Sheral" <sheral.wesley at orbitalatk.com>
Sent: Friday, October 14, 2016 8:12:34 AM
Subject: IBEX Orbit# 345 ATS Approval (27 Oct 16 - 5 Nov 16)
Guys,
Here are the planning files and ATS for Orbit# 345.
Please respond to this email thread with you questions and approvals.
Approvals are required before 16 Oct 16 @2000 UTC
Note the following
1. APL-18 SSR_Dump/Tracking Contact
IBEX,APL-18,ADD,11/05/16,310,04:00:00,11/05/16,310,05:00:00,,11re-Descending Perigee 2K-320K IBEX Orbit# 345 SSR_Dump/Tracking Contact
2. Command Load Constraint Violation Report
IBEX_2016_301_o0345a_v001.scr
==========================
HARD CONSTRAINT VIOLATIONS
==========================
NO VIOLATIONS.
==========================
SOFT CONSTRAINT VIOLATIONS
==========================
IBX-CLC-016: No command to enable spin pulse protection was found after
transition to science mode at 2016/10/27 18:15:58 UTC
IBX-CLC-016: No command to enable spin pulse protection was found after
transition to science mode at 2016/10/31 11:22:09 UTC
==============
OTHER MESSAGES
==============
NO MESSAGES.
Sheral R. Wesley
IBEX Mission OPS
CRS/CYGNUS Mission Planning
Bldg. 2 Room 1337
Office (703) 406-5641
Cell (202) 236-0802
Notice: This e-mail is intended solely for use of the individual or entity to which it is addressed and may contain information that is proprietary, privileged and exempt from disclosure under applicable law. If the reader is not the intended recipient or agent responsible for delivering the message to the intended recipient, you are hereby notified that any dissemination, distribution or copying of this communication is strictly prohibited. This communication may also contain data subject to U.S. export laws. If so, data subject to the International Traffic in Arms Regulation cannot be disseminated, distributed, transferred, or copied, whether incorporated or in its original form, to foreign nationals, residing in the U.S. or abroad, absent the express prior approval of the U.S. Department of State. Data subject to the Export Administration Act may not be disseminated, distributed, transferred or copied contrary to U. S. Department of Commerce regulations. If you have received this communication in error, please notify the sender by reply e-mail and destroy the e-mail message and any physical copies made of the communication.
Thank you.
*********************
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