[Isocops] IBEX Goat Herder for 20 June 20

Perry, Timothy E [US] (IS) Timothy.Perry at ngc.com
Sat Jun 20 09:47:25 EDT 2020



All,
    The apogee pass was nominal for CMD and TLM. The Inertial maneuver was successful. The spacecraft went thru a partial eclipse from 2020-06-19 07:42:20 - 2020-06-19 10:15:08. The spacecraft looks nominal post eclipse. We did have another star tracker reset in the back orbit. CAR # 344 "Reset FDC Totals and Response latch values" was executed and the star tracker is performing nominally. CAR # 2000 Upload ATS was executed and the Orbit 492 Instrument ATS was uplinked.

The Following was accomplished:
Star Tracker Reset CAR #344 "Reset FDC Totals and Response latch values"
CAR # 2000 - ATS Upload - IBEX_2020_176_o0492a_INST_V001 46 Cmds


Results from the Inertial Maneuver:
Q1 -0.07496250 ActNor.EstInrToBdy[0]
Q2 0.54276000 ActNor.EstInrToBdy[1]
Q3 0.81842900 ActNor.EstInrToBdy[2]
Q4 0.17310600 ActNor.EstInrToBdy[3]
MPS Cmd Vector X 0.058278000
MPS Cmd Vector Y 0.919904000
MPS Cmd Vector Z 0.387789000
GPS sec 1276690814 ActNor.EstTime
UTC time 06/20/2020 12:20:00 output
MPS Diff 0.845 deg
CSS Angle TLM 0.683569
CSS Sun-Pointing Angle 1.367138
  15 June 20 @ 23:30
CSS Angle TLM 1.62148
CSS Sun-Pointing Angle 3.24296
  20 June 20 @ 12:00
Pre-Burn
Thruster 1 11072 15 June 20 @ 23:30
Thruster 2 10768
Thruster 3 13776
Thruster 4 14080
Post-Burn
Thruster 1 11328 20 June 20 @ 12:00
Thruster 2 11024
Thruster 3 14080
Thruster 4 14384
Number of Pulses
Thruster 1 256
Thruster 2 256
Thruster 3 304
Thruster 4 304
Thruster Pairs
Thruster 1 & 2 512
Thruster 3 & 4 608



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

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