[Isocops] IBEX Goat Herder for 16 May 2023

[Perry, Timothy E [US] (SP)]

All,
   The perigee contacts were nominal, and the inertial maneuver was successful. During the first contact we were able to dump the SSR for orbit 607 and re-dump orbit 606. The star tracker hot lines data base was updated, and we updated the back orbit data collection for the star tracker. The ATS for orbit 609 was uplinked. The flight computer back orbit buffer was dumped on the second contact.

Tasks Accomplished:
Reset FDC Totals
Reset Master Timer
SSR Dump -> Dump New
Flight Computer Back Orbit Dump
CAR #1311 update Star Tracker Suppressed Hotlines
CAR #1315 Redump SSR for Orbit 606
CAR #1316 Increase Star Tracker House Keeping Packets in the Back Orbit
CAR #1317 Orbit #609 ATS Upload
   IBEX_2023_146_o0609a_v001 98 Cmds
CAR #1318 Orbit 608 Apogee Contact ATS
   IBEX_2023_136_o0608a_APO_Contact_v001 5 Cmds

Results for the Inertial Maneuver
Q1 -0.46013400 ActNor.EstInrToBdy[0]
Q2 0.36234000 ActNor.EstInrToBdy[1]
Q3 -0.02543390 ActNor.EstInrToBdy[2]
Q4 0.81014800 ActNor.EstInrToBdy[3]

GPS sec 1368241244 ActNor.EstTime
UTC time 05/16/2023 03:00:30 output

MPS Diff 0.521 deg

MPS Cmd Vector X 0.606895000
MPS Cmd Vector Y 0.732751000
MPS Cmd Vector Z 0.307822000

CSS Angle TLM 0.333378
CSS Sun-Pointing Angle 0.666756
  11 May 23 at 13:00:00

CSS Angle TLM 0.217606
CSS Sun-Pointing Angle 0.435212
  16 May 23 at 03:00:00

Pre-Burn
Thruster 1 4224 11 May 23 at 13:00:00
Thruster 2 4144
Thruster 3 5680
Thruster 4 5760
Post-Burn
Thruster 1 4512 16 May 23 at 03:00:00
Thruster 2 4432
Thruster 3 5984
Thruster 4 6064
Number of Pulses
Thruster 1 288
Thruster 2 288
Thruster 3 304
Thruster 4 304
Thruster Pairs
Thruster 1 & 2 576
Thruster 3 & 4 608



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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