All,

   The perigee contacts were nominal for CMD and TLM. The inertial maneuver was successful. The Master Timer was reset to 0 via timed command on 23April2020 @05:45:00. The bus ATS’s for orbit’s 487 and 488 has been uplinked. The current command count is @226.

The following was accomplished:

SSR Dump -> Dump new and reset pointers.

Reset FDC Totals

Verified Master Timer Reset  23April2020 @05:45:00

CAR # 1095 ATS upload – IBEX_2020_133_o0487_BUS_V001 41 Cmds

CAR # 1096 ATS upload – IBEX_2020_140_o0488_BUS_V001 48 Cmds

Results from the Inertial Maneuver:

Q1 -0.63153800 ActNor.EstInrToBdy[0]

Q2 0.00257630 ActNor.EstInrToBdy[1]

Q3 -0.68173000 ActNor.EstInrToBdy[2]

Q4 0.36932000 ActNor.EstInrToBdy[3]

GPS sec 1271653218 ActNor.EstTime

UTC time 04/23/2020 05:00:04 output

MPS Cmd Vector X 0.859739000

MPS Cmd Vector Y 0.472118000

MPS Cmd Vector Z 0.194816000

MPS Diff 0.703 deg

CSS Angle TLM 0.889115

CSS Sun-Pointing Angle 1.77823

19 Apr 20 @ 13:00

CSS Angle TLM 0.387149

CSS Sun-Pointing Angle 0.774298

23 Apr 20 @ 05:00

Pre-Burn

Thruster 1 7664 19 Apr 20 @ 13:00

Thruster 2 7440

Thruster 3 9952

Thruster 4 10176

Post-Burn

Thruster 1 7968 23 Apr 20 @ 05:00

Thruster 2 7696

Thruster 3 10256

Thruster 4 10528

Number of Pulses

Thruster 1 304

Thruster 2 256

Thruster 3 304

Thruster 4 352

Thruster Pairs

Thruster 1 & 2 560

Thruster 3 & 4 656

Timothy E.Perry

CRS IBEX OCO-2

Mission Operations

timothy.perry@ngc.com

Office (703) 406-5976

Cell (301) 606-1430