All,

   The perigee contacts were nominal for CMD and TLM. The inertial maneuver was successful. We completed 2 SSR dumps (Orbits 503 & 504). Both BUS and INST ATS’s for orbit 506 were uplinked and the star sensor tlm rate was increased for the upcoming ISN season.

Tasks Accomplished:

SSR Dump -> Dump New

CAR #1119 ISN Season and Hi Background sweep table

   Pass # 1 completed – Insreased Star Sensor Telemetry rate

CAR # 1126 ATS Upload

   IBEX_2020_305_o0506a_BAS_V001 – 53 commands

   IBEX_2020_305_o0506a_INST_V001 – 46 commands

CAR # 1127 SSR Dump Orbit # 503

   Dumped SSR Data from Orbit 503

Reset FDC Totals

Results from the Inertial Maneuver:

Q1 0.26018500 ActNor.EstInrToBdy[0]

Q2 -0.72133900 ActNor.EstInrToBdy[1]

Q3 0.05159300 ActNor.EstInrToBdy[2]

Q4 0.63977500 ActNor.EstInrToBdy[3]

GPS sec 1287392469 ActNor.EstTime

UTC time 10/22/2020 09:00:55 output

MPS Cmd Vector X -0.891973000

MPS Cmd Vector Y -0.411130000

MPS Cmd Vector Z -0.188033000

MPS Diff 0.758 deg

CSS Angle TLM 0.636122

CSS Sun-Pointing Angle 1.272244

17 Oct 20 @ 22:30:00

CSS Angle TLM 0.39017

CSS Sun-Pointing Angle 0.78034

22 Oct 20 @ 08:00:00

Pre-Burn

Thruster 1 6000 17 Oct 20 @ 22:30:00

Thruster 2 5824

Thruster 3 6992

Thruster 4 7168

Post-Burn `

Thruster 1 6272 22 Oct 20 @ 08:00:00

Thruster 2 6096

Thruster 3 7296

Thruster 4 7472

Number of Pulses

Thruster 1 272

Thruster 2 272

Thruster 3 304

Thruster 4 304

Thruster Pairs

Thruster 1 & 2 544

Thruster 3 & 4 608

Timothy E.Perry

CRS IBEX OCO-2

Mission Operations

timothy.perry@ngc.com

Office (703) 406-5976

Cell (301) 606-1430