All,

   The perigee contacts were nominal for CMD& TLM. The inertial maneuver was successful. The ATS’s for Orbit #528 have been uplinked. The SSR and the Flight Computer Back Orbit data has been dumped. The SSR was dumped thru APL and waiting for the files to come across for archiving. The 18 day timer command executed nominally and the timer was set back to 10.

Tasks Accomplished:

CAR #4528 – Orbit#528 ATS upload

  IBEX_2021_139_o0528a_BUS_V001

  IBEX_2021_139_o0528a_INST_V001

Reset FDC Totals

Dumped Flight Computer Back Orbit Data

Results from the Inertial Maneuver:

Q1 -0.56903500 ActNor.EstInrToBdy[0]

Q2 -0.17848200 ActNor.EstInrToBdy[1]

Q3 -0.71675300 ActNor.EstInrToBdy[2]

Q4 0.36139900 ActNor.EstInrToBdy[3]

GPS sec 1304676106 ActNor.EstTime

UTC time 05/10/2021 10:01:32 output

MPS Cmd Vector X 0.683656000

MPS Cmd Vector Y 0.673118000

MPS Cmd Vector Z 0.282007000

MPS Diff 0.538 deg

CSS Angle TLM 0.874469

CSS Sun-Pointing Angle 1.748938

  06Apr 21 @ 12:00:00

CSS Angle TLM 0.330431

CSS Sun-Pointing Angle 0.660862

  10Apr 21 @ 10:00:00

Pre-Burn

Thruster 1 544 06Apr 21 @ 12:00:00

Thruster 2 544

Thruster 3 608

Thruster 4 608

Post-Burn

Thruster 1 816 10Apr 21 @ 10:00:00

Thruster 2 816

Thruster 3 928

Thruster 4 928 

Number of Pulses

Thruster 1 272

Thruster 2 272

Thruster 3 320

Thruster 4 320

Thruster Pairs 

Thruster 1 & 2 544

Thruster 3 & 4 640

Timothy E.Perry

CRS IBEX OCO-2

Mission Operations

timothy.perry@ngc.com

Office (703) 406-5976

Cell (301) 606-1430