All,

   The perigee contacts were nominal for CMD and TLM. The inertial maneuver was successful. The Master Timer reset command executed on time and the counter was reset to 10. The SSR was dumped and the pointers were set (At AOS the write pointer was at 17816). The SSR is currently recording ~25k blocks per orbit. The Instrument ATS for Orbit#489 was uplinked.

The Star Tracker reset occurred on 14 May @18:40:21z

 The following was accomplished:

SSR Dump and reset pointers

CAR #1097 ATS upload – IBEX_2020_149_o0489a_INST_V001 – 46 Cmds

Reset  FDC Totals

Results from the Inertial maneuver:

Q1 -0.28183900 ActNor.EstInrToBdy[0]

Q2 0.50360700 ActNor.EstInrToBdy[1]

Q3 0.34009100 ActNor.EstInrToBdy[2]

Q4 0.74248500 ActNor.EstInrToBdy[3]

MPS Cmd Vector X 0.551173000

MPS Cmd Vector Y 0.769104000

MPS Cmd Vector Z 0.323554000

GPS sec 1273966402 ActNor.EstTime

UTC time 05/19/2020 23:33:08 output

MPS Diff 0.803 deg

CSS Angle TLM 1.12917

CSS Sun-Pointing Angle 2.25834

  15 May 20 @12:00

CSS Angle TLM 0.745723

CSS Sun-Pointing Angle 1.491446

  19 May 20 @23:30

Pre-Burn  

Thruster 1 9200 15 May 20 @12:00

Thruster 2 8928

Thruster 3 11808

Thruster 4 12080

Post-Burn  

Thruster 1 9440 19 May 20 @23:30

Thruster 2 9168

Thruster 3 12064

Thruster 4 12336

Number of Pulses  

Thruster 1 240

Thruster 2 240

Thruster 3 256

Thruster 4 256

Thruster Pairs 

Thruster 1 & 2 480

Thruster 3 & 4 512

Timothy E.Perry

CRS IBEX OCO-2

Mission Operations

timothy.perry@ngc.com

Office (703) 406-5976

Cell (301) 606-1430