All,

    The perigee contacts were nominal for CMD & TLM. The inertial maneuver was successful. The apogee inertial maneuver commands for orbit 502 were deleted and sun maneuver commands were uplinked. The Hi background test was completed. The Instrument commands for orbit #503 were uplinked. The SSR was dumped (Dump New).

Tasks completed:

SSR Dump -> Dump new

CAR #1113 Orbit #501 Hi Background test – Completed

CAR #1120 Upload ATS Orbit #503

    IBEX_2020_278_o0503a_INST_V001 46 CMDS

CAR #1121 Upload ATS Orbit #502

    Delete commands 342 – 355

    IBEX_2020_269_o0502a_Apo_Sun_Man_V001 9 CMDS

Results from the Inertial Maneuver:

Q1 -0.70413100 ActNor.EstInrToBdy[0]

Q2 -0.00142560 ActNor.EstInrToBdy[1]

Q3 0.71002500 ActNor.EstInrToBdy[2]

Q4 0.00786796 ActNor.EstInrToBdy[3]

GPS sec 1285075614 ActNor.EstTime

UTC time 09/25/2020 13:26:40 output

MPS Diff 0.864 deg

MPS Cmd Vector X -0.999951000

MPS Cmd Vector Y 0.007365000

MPS Cmd Vector Z -0.006562000

CSS Angle TLM 0.144018

CSS Sun-Pointing Angle 0.288036

  20 Sept 20 @ 03:00:00

CSS Angle TLM 2.04459

CSS Sun-Pointing Angle 4.08918

  25 Sept 20 @ 12:30:00

Pre-Burn

Thruster 1 4448 20 Sept 20 @ 03:00:00

Thruster 2 4320

Thruster 3 5072

Thruster 4 5200

Post-Burn   `

Thruster 1 4720 25 Sept 20 @ 12:30:00

Thruster 2 4592

Thruster 3 5344

Thruster 4 5472

Number of Pulses

Thruster 1 272

Thruster 2 272

Thruster 3 272

Thruster 4 272

Thruster Pairs 

Thruster 1 & 2 544

Thruster 3 & 4 544

Timothy E.Perry

CRS IBEX OCO-2

Mission Operations

timothy.perry@ngc.com

Office (703) 406-5976

Cell (301) 606-1430