Good morning team,

   The perigee contacts were nominal, and the inertial maneuver was successful. We performed the following, dump SSR (VCid2), dump missing SSR blocks (CAR#1392) and reset master timer. Both contacts were done on maestro IBEX-1.

Tasks Accomplished:

Reset Master Timer

Reset FDC Totals

FC Back orbit dump (VCid1)

SSR Dump New (VCid2)

SSR Dump Nblocks (CAR#1392)

CAR #1391 Orbit 649 ATS upload

   IBEX_2024_144_o0649a_v001 - 101 commands

Results from the inertial maneuver:

Q1 -0.47333300

Q2 0.34489400

Q3 -0.05921270

Q4 0.80839200

GPS sec 1399813686

UTC time 05/15/2024 13:07:52

MPS Diff 0.521

MPS Cmd Vector X 0.61459100

MPS Cmd Vector Y 0.72729600

MPS Cmd Vector Z 0.30547900

CSS Angle TLM 0.351102

CSS Sun-Pointing Angle 0.702204

  10 May 24 @13:00:00

CSS Angle TLM 0.3743

CSS Sun-Pointing Angle 0.7486

  14 May 24 @22:00:00

Pre-Burn

Thruster 1 24448 10 May 24 @13:00:00

Thruster 2 23760

Thruster 3 32176

Thruster 4 32864

Post-Burn

Thruster 1 24736 14 May 24 @22:00:00

Thruster 2 24016

Thruster 3 32480

Thruster 4 33200

Number of Pulses

Thruster 1 288

Thruster 2 256

Thruster 3 304

Thruster 4 336

Thruster Pairs  

Thruster 1 & 2 544

Thruster 3 & 4 640

Kind regards,

Andrea Coca Gonzales | Associate Engineer Satellite Systems | MEV | ICESat-2 | TESS | IBEX

Northrop Grumman Corporation  |  Space Systems

C: 703-582-8233  |  Andrea.CocaGonzales@ngc.com