[Isocops] IBEX Goat Herder for 6 & 7 May 2023

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

All,
   The perigee contacts were nominal and the inertial maneuver was successful. Orbit 608 ATS was uplinked, the SSR was dumped, but due to a poor down link we will have to redump this orbits data again on the next set of perigee contacts in 9 days.
   We tested 2 cars for increasing star tracker temp data and for the star tracker hot line database uplink. Both CAR's were successful in validating the necessary commands, but the one exception was we did not update the star tracker hot line database this time. We will perform the database update at a later point in time.

Tasks Accomplished:
CAR # 1311 - Update Star Tracker suppressed Hotlines
CAR# 1312 - Verify different QID's that provide Star Tracker data
CAR# 1314 - Orbit# 608 ATS Uplink
   IBEX_2023_136_o0608a_v001 103 Cmds
SSR Dump - > Dump New
Dump Flight Computer Back Orbit Data
Reset FDC Totals
Set Spacecraft Clock


Results from the Inertial Maneuver:
Q1 -0.59929200 ActNor.EstInrToBdy[0]
Q2 0.06773900 ActNor.EstInrToBdy[1]
Q3 -0.53624700 ActNor.EstInrToBdy[2]
Q4 0.59050800 ActNor.EstInrToBdy[3]

GPS sec 1367497894 ActNor.EstTime
UTC time 05/07/2023 12:31:20 output

MPS Diff 0.364 deg

MPS Cmd Vector X 0.722412000
MPS Cmd Vector Y 0.637946000
MPS Cmd Vector Z 0.266734000

CSS Angle TLM 0.427
CSS Sun-Pointing Angle 0.854
  02 May 23 at 15:00:00

CSS Angle TLM 0.291412
CSS Sun-Pointing Angle 0.582824
  07 May 23 at 12:00:00

Pre-Burn
Thruster 1 3664 02 May 23 at 15:00:00
Thruster 2 3584
Thruster 3 5072
Thruster 4 5152

Post-Burn
Thruster 1 3968 07 May 23 at 12:00:00
Thruster 2 3888
Thruster 3 5408
Thruster 4 5488

Number of Pulses
Thruster 1 304
Thruster 2 304
Thruster 3 336
Thruster 4 336

Thruster Pairs
Thruster 1 & 2 608
Thruster 3 & 4 672


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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