[Isocops] IBEX Goat Herder 01 and 02 June 2024

[Coca Gonzales, Andrea [US] (SP)]

Good morning team,

   The first perigee contact was nominal, and the inertial maneuver was successful. We performed the following, dump SSR (VCid2), and reset master timer. During the second perigee contact, the ground station had issues linking to the spacecraft and telemetry went stale about 15 minutes after AOS. We tried to blind acq the contact and switch to different data rates but were unable to command. Tim scheduled another contact with AUWA01 at 12:00z and that contact was nominal.

The playback files from last week have been processed and the start tracker reset time was 2024/148:19:09:34.

Tasks Accomplished:
Reset Master Timer
Reset FDC Totals
CAR #1395 Orbit 651 ATS upload
   IBEX_2024_162_o0651a_v001 - 108 commands

Results from the inertial maneuver:
Q1 -0.25682100
Q2 0.49689100
Q3 0.53182600
Q4 0.63584800

GPS sec 1401358061
UTC time 06/02/2024 10:07:27

MPS Diff 0.738

MPS Cmd Vector X 0.35502400
MPS Cmd Vector Y 0.86126800
MPS Cmd Vector Z 0.36356000

CSS Angle TLM 0.222056
CSS Sun-Pointing Angle 0.444112
  28 May 24 @12:00:00
CSS Angle TLM 0.186626
CSS Sun-Pointing Angle 0.373252
  02 Jun 24 @10:00:00
Pre-Burn
Thruster 1 25520 28 May 24 @12:00:00
Thruster 2 24800
Thruster 3 33328
Thruster 4 34048
Post-Burn
Thruster 1 25808 02 Jun 24 @10:00:00
Thruster 2 25056
Thruster 3 33616
Thruster 4 34368
Number of Pulses
Thruster 1 288
Thruster 2 256
Thruster 3 288
Thruster 4 320
Thruster Pairs
Thruster 1 & 2 544
Thruster 3 & 4 608

Best,
Andrea Coca Gonzales | Associate Engineer Satellite Systems | MEV | ICESat-2 | TESS | IBEX
Northrop Grumman Corporation  |  Space Systems
C: 703-582-8233  |  Andrea.CocaGonzales at ngc.com<mailto:Andrea.CocaGonzales at ngc.com>

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