All,

   Happy New year!!! The perigee contacts were nominal and the inertial maneuver was successful. The SSR dumps were successful. I dumped all of Orbit 552 and from CAR #1219 re-dumped portions of the SSR from orbit 551. The ATS for orbit 554 was uplinked. The second contact was scheduled for 02:30:00 – 04:00:00. Since I was able to redump all the missing blocks on the first contact and the second contact I was able to get to 320k. I did not extend the second contact to 04:00. The contact was nominal and the transmitter turned off @03:32:00.

Tasks Accomplished:

CAR #1219 - Dump missing and remaining orbit 551 SSR Blocks

CAR #1220 – Orbit 554 ATS upload

   IBEX_2022_009_o0554a_v001 98 cmds

Reset 18 Day timer

Reset FDC Totals

SSR Dump -> Dump New

Results from the Inertial Maneuver:

Q1 0.65875200 ActNor.EstInrToBdy[0]

Q2 0.50914900 ActNor.EstInrToBdy[1]

Q3 -0.24098000 ActNor.EstInrToBdy[2]

Q4 0.49874000 ActNor.EstInrToBdy[3]

GPS sec 1324994684 ActNor.EstTime

UTC time 12/31/2021 14:04:30 output

MPS Diff 0.864 deg

MPS Cmd Vector X 0.194222000

MPS Cmd Vector Y -0.895965000

MPS Cmd Vector Z -0.399405000

CSS Angle TLM 0.220287

CSS Sun-Pointing Angle 0.440574

  28 Dec 21 @ 20:00:00

CSS Angle TLM 0.815894

CSS Sun-Pointing Angle 1.631788

  31 Dec 21 @ 14:00:00

Pre-Burn

Thruster 1 13872 28 Dec 21 @ 20:00:00

Thruster 2 13488

Thruster 3 17392

Thruster 4 17776

Post-Burn

Thruster 1 14240 31 Dec 21 @ 14:00:00

Thruster 2 13856

Thruster 3 17776

Thruster 4 18160

Number of Pulses

Thruster 1 368

Thruster 2 368

Thruster 3 384

Thruster 4 384

Thruster Pairs  

Thruster 1 & 2 736

Thruster 3 & 4 768

Timothy E.Perry

CRS IBEX OCO-2

Mission Operations

timothy.perry@ngc.com

Office (703) 406-5976

Cell (301) 606-1430