All,

    The perigee contacts were nominal for CMD &TLM. The inertial maneuver was successful. We were able to dump the SSR and the FC Back orbit data. The ATS’s for Orbit #519 were uplinked. And the star tracker image dump was completed. The 18 day timer command executed and the timer was set back to 10.

Tasks Accomplished:

CAR # 1151 Orbit# 519 ATS’s Bus and Instrument were uplinked

  IBEX_2021_056_o0519a_BUS_V001

  IBEX_2021_056_o0519a_INST_V002

Ops Procedure S924-OP31212 Star tracker Image Dump was completed

SSR Dump -> Dump New

Flight Computer Back Orbit buffer was dumped

Reset FDC Totals

Set the Spacecraft Time

Results from the Inertial Maneuver:

Q1 0.77411200 ActNor.EstInrToBdy[0]

Q2 -0.06789380 ActNor.EstInrToBdy[1]

Q3 0.57324600 ActNor.EstInrToBdy[2]

Q4 0.25986800 ActNor.EstInrToBdy[3]

GPS sec 1297521105 ActNor.EstTime

UTC time 02/16/2021 14:31:31 output

MPS Diff 0.700 deg

MPS Cmd Vector X 0.855404000

MPS Cmd Vector Y -0.471118000

MPS Cmd Vector Z -0.215247000

CSS Angle TLM 0.587841

CSS Sun-Pointing Angle 1.175682

  13 Feb 21 @ 18:00:00

CSS Angle TLM 0.73302

CSS Sun-Pointing Angle 1.46604

  16 Feb 21 @ 13:00:00

Pre-Burn

Thruster 1 2000 13 Feb 21 @ 18:00:00

Thruster 2 1952

Thruster 3 2688

Thruster 4 2736

Post-Burn

Thruster 1 2416 16 Feb 21 @ 13:00:00

Thruster 2 2336

Thruster 3 3072

Thruster 4 3152

Number of Pulses

Thruster 1 416

Thruster 2 384

Thruster 3 384

Thruster 4 416

Thruster Pairs 

Thruster 1 & 2 800

Thruster 3 & 4 800

Timothy E.Perry

CRS IBEX OCO-2

Mission Operations

timothy.perry@ngc.com

Office (703) 406-5976

Cell (301) 606-1430