[Isocops] IBEX Orbit #497 ATS Approval ( 9 - 19 Aug 2020 )

Wed Jul 29 10:31:11 EDT 2020

All,
   Attached are the corrected ATS files for orbit #497. The dump time for the APL SSR pass has been corrected. I regenerated the INST ATS with the 497 OEF file. The files have 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: Monday, July 27, 2020 4:14 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 #497 ATS Approval ( 9 - 19 Aug 2020 )

All,
   Attached are the planning files for Orbit #497
Please respond to this thread with comments and approvals.
Approvals are required by 1800 on 30 July 2020
Password is the usual one.

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
# Orbit 497 Battery Balancing
# 2020-08-19T01:15:22.583Z,Perigee,orbit:497
  Set Long Eclipse Flag  to TRUE $TIME=2020/08:19:00:30:00
  Set Long Eclipse Flag to FALSE $TIME=2020/08:19:02:00:00

5.       # Orbit# 495 Reset Master Timer - 2020/07:31:11:45:00

  1.  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 New command
IBEX,APL-18,ADD,2020-08-18,231,14:00:00,2020-08-18,231,15:00:00,, LAHO 2K-360k Orbit# 497 SSR_Dump Contact Perigee

7.       Command Load Constraint Violation Report (CCVR)
IBEX_2020_222_o0497a_v001.ccvr
The 2 IBX-CLC-006 violations are acceptable. The reason for the 2violations is because the 2 contacts are within 5 hours of each other. There is 1 hour separation between the  2 contacts and that is plenty of time for the  transmitter to cool down.

# Input files:         1
#   IBEX_2020_222_o0497a_v001.scr

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

==========================
SOFT CONSTRAINT VIOLATIONS
==========================
IBX-CLC-006: Planned transmission at 2020/08/18 13:58:00 UTC - 2020/08/18
             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 2020/08/18 16:58:00 UTC - 2020/08/18
             18:02:00 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 2020/08/09 19:06:08 UTC
IBX-CLC-016: No command to enable spin pulse protection was found after
             transition to science mode at 2020/08/13 23:22:10 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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