All,

   The perigee passes were nominal for CMD & TLM. The inertial maneuver was successful. the SSR and Flight Computer Back Orbit data was dumped. The 18 day timer commands executed successfully and the timer was set back to 10. The Orbit# 516 ATS’s were uplinked. The Lo sweep table was set to normal.

Tasks Accomplished:

SSR Dump – Dump New

Flight Computer Back Orbit dump

Set Spacecraft Clock

Reset FDC Totals

CAR # 119 2021 ISN season

     Pass# 5 Table_Lo_12345678_Normal

CAR# 1148 Orbit # 516 ATS Upload

    IBEX_2021_029_o0516a_BAS_V001

    IBEX_2021_029_o0516a_INST_V001

CAR # 1148 Dump Orbit # 513 remaining blocks

Inertial Maneuver Results:

Q1 0.41781200 ActNor.EstInrToBdy[0]

Q2 0.70383000 ActNor.EstInrToBdy[1]

Q3 -0.25061800 ActNor.EstInrToBdy[2]

Q4 0.51695900 ActNor.EstInrToBdy[3]

GPS sec 1295146830 ActNor.EstTime

UTC time 01/20/2021 03:00:16 output

MPS Cmd Vector X 0.521430000

MPS Cmd Vector Y -0.778814000

MPS Cmd Vector Z -0.348654000

MPS Diff 0.633 deg

CSS Angle TLM 1.23353

CSS Sun-Pointing Angle 2.46706

15 Jan 21 @ 17:00:00

CSS Angle TLM 1.79482

CSS Sun-Pointing Angle 3.58964

20 Jan 21 @ 03:00:00

Pre-Burn

Thruster 1 624 15 Jan 21 @ 17:00:00

Thruster 2 624

Thruster 3 656

Thruster 4 656

Post-Burn `

Thruster 1 912 20 Jan 21 @ 03:00:00

Thruster 2 912

Thruster 3 976

Thruster 4 976

Number of Pulses

Thruster 1 288

Thruster 2 288

Thruster 3 320

Thruster 4 320

Thruster Pairs

Thruster 1 & 2 576

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