[Isocops] IBEX Orbit #491 ATS Approval ( 15 - 25 June2020 )

[Nigel Angold]

I approve IBEX_2020_167_o0491a_BUS_v001.scr for uplink during the upcoming apogee contact: USHI01,LAHO 2K IBEX-1 Orbit# 488 Apogee Tracking Contact 43re Desc, 05/24/20 @ 12:00:00 UTC

I also approve IBEX_2020_167_o0491a_INST_v001.scr for uplink no earlier than the orbit 489 post-perigee contact: USAK01,LAHO 64K IBEX-1 Orbit# 489 Perigee Tracking Contact 14.5re Asc, 06/06/20 @ 22:00:00 UTC

Nigel

> All,
>    Attached are the planning files for Orbit #491
> Please respond to this thread with comments and approvals.  
> Approvals are required by COB on  23 May 2020
>  
> Please note the following:
> 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.
>  
> The 3 ATS files have been changed to word docx 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.  
>  
> 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. 
>  
> Battery Balancing this orbit
> # Orbit 491 Battery Balancing 
> # 2020-06-24T16:44:42.846Z,Perigee,orbit:491
>   @ECT_SetLongEclipseFlag TRUE $TIME=2020/06:24:16:30:00
>   @ECT_SetLongEclipseFlag FALSE $TIME=2020/06:24:18:00:00
>  
> 5.       Eclipse- No eclipse commands are necessary
> 2020-06-19T07:42:20.486Z,PenumbraEntry,orbit:491
> 2020-06-19T07:42:20.486Z,EclipseEntry,moderate:true,long:false,orbit:491
> 2020-06-19T10:15:08.307Z,PenumbraExit,orbit:491
> 2020-06-19T10:15:08.307Z,EclipseExit,moderate:true,long:false,orbit:491
>  
> 6.       Command Load Constraint Violation Report (CCVR)
> IBEX_2020_167_o0491a_v001.ccvr
> ==========================
> HARD CONSTRAINT VIOLATIONS
> ==========================
> NO VIOLATIONS.
>  
> ==========================
> SOFT CONSTRAINT VIOLATIONS
> ==========================
> IBX-CLC-015: Battery charge falls below minimum from 2020/06/19 08:32:20 UTC -
>              2020/06/19 15:46:11 UTC. Lowest charge level is 0.000000
>              watt-minutes during this interval.
> IBX-CLC-016: No command to enable spin pulse protection was found after
>              transition to science mode at 2020/06/15 20:34:59 UTC
> IBX-CLC-016: No command to enable spin pulse protection was found after
>              transition to science mode at 2020/06/19 18:11:25 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
>  
> <image001.png>
>  
>  
> <IBEX_2020_167_o0491a_INST_v001.ccvr><IBEX_2020_167_o0491a_v001.ccvr><IBEX-Command-Approval-Checklist-Rev16_F_491_TEP.docx><IBEX_Orbit491_Contacts.txt><IBEX_2020_167_o0491a_BUS_v001.docx><IBEX_2020_167_o0491a_INST_v001.docx><IBEX_2020_167_o0491a_v001.docx><IBEX_2020_167_o0491a_BUS_v001.oef><IBEX_2020_167_o0491a_INST_v001.oef><IBEX_2020_167_o0491a_BUS_v001.ccvr>

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