[Isocops] IBEX Orbit #500 ATS Approval ( 6 - 16 September 2020) Ver 2 INST ATS

Sat Aug 22 18:29:54 EDT 2020

All,
   I used the incorrect OEF file for The Orbit 500 INST ATS. Attached is the version 2 ATS and CCVR file.
     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: Friday, August 21, 2020 1:09 PM
To: 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 #500 ATS Approval ( 6 - 16 September 2020)

All,
   Attached are the planning files for Orbit #500
Please respond to this thread with comments and approvals.
Approvals are required by COB on 22 August 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
# Orbit 500 Battery Balancing
# 2020-09-15T21:49:27.616Z,Perigee,orbit:500
Begin -2020/09:15:21:00  End - 2020/09:15:22:30:00

5.       # Orbit# 498 Reset Master Timer - 2020/08:28:14:45:00

6.       Perigee Contacts data rate has changed  from 160k to 64k in MPS. Considering  we have been able to change the data rate from 64k to 160k in the past couple orbits. I decided to plan with the initial data rate of 64k and we will change it to 160k at AOS. Below are the 2 contacts in question.
IBEX,USHI01,ADD,09/15/20,259,10:00:00,09/15/20,259,11:00:00,LAHO 160K IBEX-2 Orbit# 500 Begin Hi Background Test Contact 16Desc
IBEX,USHI01,ADD,09/15/20,259,12:00:00,09/15/20,259,13:00:00,LAHO 160K IBEX-2 Orbit# 500 SSR_Dump/Tracking Contact 16Desc

7.       Command Load Constraint Violation Report (CCVR)

IBEX_2020_250_o0500a_v001.ccvr

The 2 IBX-CLC-006 violations are acceptable.

==========================

HARD CONSTRAINT VIOLATIONS

==========================

NO VIOLATIONS.

==========================

SOFT CONSTRAINT VIOLATIONS

==========================

IBX-CLC-006: Planned transmission at 2020/09/15 09:58:00 UTC - 2020/09/15

             11:02:00 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 2020/09/15 11:58:00 UTC - 2020/09/15

             13:02:00 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 2020/09/06 18:21:32 UTC

IBX-CLC-016: No command to enable spin pulse protection was found after

             transition to science mode at 2020/09/10 20:00:59 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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