[Isocops] IBEX Goat Herder for 30 April - 1 May 2021

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

All,
    the perigee contacts were nominal for CMD and TLM. The Inertial maneuver was successful. The spacecraft went through an ACE reset in the back orbit. The KF input was set to GND_CMD and the static z rate was set to 4.15. I executed CAR #1005 ACE Reset Recovery. The ACS FDC was re-enabled and static Z rate was set to 4.173. Also, the KF input was commanded back to STA_PCT_Valid. Star tracker is currently @76%. Time of the reset was 27 April 21 @18:49:00.  The 18 day timer command executed nominally and the timer was set to 10 as expected.



Tasks Accomplished:

CAR# 1167 Dump Orbit 525 Blocks before the Flight computer reset.

CAR # 1166 Orbit #527 ATS upload

    IBEX_2021_129_o0527a_INST_v001.scr 46 Cmds

    IBEX_2021_129_o0527a_BUS_v001.scr 55 Cmds

CAR #1004 ACE Reset Recovery



Results from the Inertial Maneuver:
Q1 -0.37513200 ActNor.EstInrToBdy[0]
Q2 0.48651300 ActNor.EstInrToBdy[1]
Q3 -0.03166560 ActNor.EstInrToBdy[2]
Q4 0.78840200 ActNor.EstInrToBdy[3]

GPS sec 1303862450 ActNor.EstTime

UTC time 05/01/2021 00:00:36 output
MPS Diff 0.668 deg
MPS Cmd Vector X 0.788422000
MPS Cmd Vector Y 0.567896000
MPS Cmd Vector Z 0.236397000
CSS Angle TLM 0.660508
CSS Sun-Pointing Angle 1.321016
  01Apr 21 @ 00:00:00
Pre-Burn
Thruster 1 0
Thruster 2 0
Thruster 3 0
Thruster 4 0
Post-Burn
Thruster 1 272 01Apr 21 @ 00:00:00
Thruster 2 272
Thruster 3 304
Thruster 4 304
Number of Pulses
Thruster 1 272
Thruster 2 272
Thruster 3 304
Thruster 4 304
Thruster Pairs
Thruster 1 & 2 544
Thruster 3 & 4 608




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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