[Isocops] IBEX Orbit #496 ATS Approval ( 31 July – 9 Aug 2020 )

Mon Jul 20 09:37:59 EDT 2020

All,
   Attached are the Orbit 496 ATS files with the corrected names. The files have also been placed on the MFT server.
      Tim

Timothy E.Perry
CRS IBEX OCO-2
Mission Operations
timothy.perry at ngc.com
Office (703) 406-5976
Cell (301) 606-1430

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From: Perry, Timothy E [US] (IS)
Sent: Thursday, July 16, 2020 4:21 PM
To: 'carol.weaver at unh.edu' <carol.weaver at unh.edu>; Chubin, Eric [US] (IS) <Eric.Chubin at ngc.com>; 'David Heirtzler' <David.Heirtzler at unh.edu>; 'IBEX FDG' <IBEX at applieddefense.info>; 'IBEXOPS' <IBEXOPS at gmail.com>; 'ISOC' <isocops at lists.sr.unh.edu>; 'Ken Fairchild' <fair-play at comcast.net>; 'Ken Fairchild (kwfairchild at gmail.com)' <kwfairchild at gmail.com>; 'Nigel Angold' <nigel.angold at nasa.gov>; 'Nigel Angold' <angoldconsulting at earthlink.net>; 'Paul Janzen' <paul.janzen at umontana.edu>; Perry, Timothy E [US] (IS) <Timothy.Perry at ngc.com>; Tyler, Ryan S [US] (IS) <Ryan.Tyler at ngc.com>; Wesley, Sheral R [US] (IS) <Sheral.Wesley at ngc.com>; Wynn, Reese [US] (IS) <Reese.Wynn at ngc.com>
Subject: IBEX Orbit #496 ATS Approval ( 31 July – 9 Aug 2020 )

All,
   Attached are the planning files for Orbit #496
Please respond to this thread with comments and approvals.
Approvals are required by COB on 20 July 2020

Please note the following:

  1.  I generated 3 separate ATS files BUS, INST and a complete file. The BUS and INST will be the files to be uplinked. The complete ATS, I used as a sanity check to see how the commands lined up. Since we are in a new phase of ATS generation. IF you have any ideas of doing this differently, let me know.

  1.  The 3 ATS files have been changed to word  files and encrypted. I will send out another email with the password. The files that have been transferred via MFT have not been encrypted and are still text files.

  1.  I moved the 2 House Keeping commands from the INST ATS to the BUS ATS. I commented out the 2 commands in the INST ATS. If for some reason we were unable to uplink the INST Commands for this orbit, we would have been in the wrong spacecraft state for executing the maneuver commands.

  1.  Battery Balancing this orbit
No Battery Balancing this orbit

5.       Orbit# 494 Reset Master Timer command

The Master Timer Reset Command is set for 2020/07:22:08:45:00. This command will execute on the following contact for Orbit 494

IBEX,USAK01,ADD,07/22/20,204,08:00:00,07/22/20,204,09:00:00,LAHO 160K IBEX-2 Orbit# 494 SSR_Dump/Tracking Contact 13 asc

6.       APL Contact

Just a reminder for the APL contact. We start off at 2k D\L, after 5 minutes we switch to 320k D\L, Then 5 minutes later we start the SSR Dump With Dump

IBEX,APL-18,ADD,2020-08-09,222,14:00:00,2020-08-09,222,15:00:00,, LAHO 2K-360k Orbit# 496 SSR_Dump Contact Perigee

7.       Command Load Constraint Violation Report (CCVR)

IBEX_2020_213_o0496a_v001.ccvr

We have 2 IBX-CLC-006 Soft Constraint violations.  The reason it that there are 2 contacts that are  separated by 4 hours and the limit is 5 hours between contacts.  These are acceptable,

==========================
HARD CONSTRAINT VIOLATIONS
==========================
NO VIOLATIONS.

==========================
SOFT CONSTRAINT VIOLATIONS
==========================
IBX-CLC-006: Planned transmission at 2020/08/09 13:58:00 UTC - 2020/08/09
             15:02:00 UTC is followed by one or more additional transmissions
             which, when combined, exceed the maximum transmission time of 5400
             seconds within a 18000-second window (total planned transmission
             time this window is 7680.000 seconds)
IBX-CLC-006: Planned transmission at 2020/08/09 18:58:00 UTC - 2020/08/09
             20:02:00 UTC is preceded by one or more additional transmissions
             which, when combined, exceed the maximum transmission time of 5400
             seconds within a 18000-second window (total planned transmission
             time this window is 7680.000 seconds)
IBX-CLC-016: No command to enable spin pulse protection was found after
             transition to science mode at 2020/07/31 15:26:46 UTC
IBX-CLC-016: No command to enable spin pulse protection was found after
             transition to science mode at 2020/08/04 14:38:40 UTC

==============
OTHER MESSAGES
==============
NO MESSAGES.

Timothy E.Perry
CRS IBEX OCO-2
Mission Operations
timothy.perry at ngc.com<mailto:timothy.perry at ngc.com>
Office (703) 406-5976
Cell (301) 606-1430

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