All,

   The perigee contacts were nominal for CMD and TLM. The inertial maneuver was successful. Completed pass 1 for the Hi background test and uplinked the Orbit 502 ATS’s.

Tasks accomplished:

CAR # 1113 Orbit 501Hi Background Test

   Completed pass #1 uplinked Sweep table “Table_Hi_023456_Background”

CAR # 1118 ATS upload Orbit #502

     IBEX_2020_269_o0502a_BUS_V001 46 Cmds

    IBEX_2020_269_o0502a_INST_V001 46 Cmds

Set spacecraft Clock

SSR Dump -> Dump New

Results from the Inertial maneuver:

Q1 0.66158300 ActNor.EstInrToBdy[0]

Q2 -0.16328300 ActNor.EstInrToBdy[1]

Q3 -0.72877400 ActNor.EstInrToBdy[2]

Q4 0.06735090 ActNor.EstInrToBdy[3]

GPS sec 1284273260 ActNor.EstTime

UTC time 09/16/2020 06:34:06 output

MPS Diff 0.927 deg

MPS Cmd Vector X -0.987191000

MPS Cmd Vector Y 0.149704000

MPS Cmd Vector Z 0.055159000

CSS Angle TLM 0.517377

CSS Sun-Pointing Angle 1.034754

  11 Sept 20 @ 02:00:00

CSS Angle TLM 0.679262

CSS Sun-Pointing Angle 1.358524

  16 Sept 20 @ 06:30:00

Pre-Burn

Thruster 1 3872 11 Sept 20 @ 02:00:00

Thruster 2 3776

Thruster 3 4464

Thruster 4 4560

Post-Burn   `

Thruster 1 4176 16 Sept 20 @ 06:30:00

Thruster 2 4048

Thruster 3 4768

Thruster 4 4896

Number of Pulses

Thruster 1 304

Thruster 2 272

Thruster 3 304

Thruster 4 336

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