[Isocops] IBEX Orbit #509 ATS Approval (28 Nov 20 - 7 Dec 20)

Thu Nov 12 16:01:40 EST 2020

All,
   Attached are the planning files for Orbit #509
Please respond to this thread with comments and approvals.
Approvals are required by COB on 15 November 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.

4.       To reduce the number hand edits in an ATS. I am incorporating the use of an ABS file for inserting both battery balancing and 18 day timer reset commands.

  1.  Battery Balancing this orbit
# Orbit 509 Battery Balancing
# 2020-12-06T17:31:16.958Z,Perigee,orbit:509
Begin 2020/12:06:17:00:00 - End 2020/12:06:18:30:00

6.       # Orbit# 507 Reset Master Timer  2020/11:19:00:15:00

7.       Command Load Constraint Violation Report (CCVR)
The 2 IBX-CLC-006 Soft constraint violations are because the following contacts closer than 5 hours in separation. This is acceptable since there is 1.5 hour separation between the 2 contacts and power and temperature will not be an issue.
IBEX,USHI01,ADD,12/06/20,341,05:30:00,12/06/20,341,06:30:00,LAHO 64K IBEX-2 Orbit# 509 Lo ISN Sweep Begin Contact 15.5 Desc
IBEX,USHI01,ADD,12/06/20,341,08:00:00,12/06/20,341,09:00:00,LAHO 160K IBEX-2 Orbit# 509 SSR_Dump/Tracking Contact 14 Desc
IBEX_2020_332_o0509a_v001.ccvr
# Input files:         1
#   IBEX_2020_332_o0509a_v001.scr

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

==========================
SOFT CONSTRAINT VIOLATIONS
==========================
IBX-CLC-006: Planned transmission at 2020/12/06 05:28:00 UTC - 2020/12/06
             06:32:00 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 2020/12/06 07:58:00 UTC - 2020/12/06
             09:02:00 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 2020/11/27 23:40:32 UTC
IBX-CLC-016: No command to enable spin pulse protection was found after
             transition to science mode at 2020/12/02 10:48:41 UTC

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

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

[cid:image001.png at 01D542D6.6047A400]

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