All,

   The perigee passes were nominal except for the USAK01 support on 27 Dec 19, @0130. The inertial maneuver was successful. The spacecraft was nominal post eclipse, power and temps in range. We did see 23 Sun Point errors. The USAK01 contact was unable to lock on telemetry. Station personnel were notified and they are investigating why we were unable to lock on telemetry. SSC PR # 12689 and RAZOR # I100-664.

 

The following was accomplished:

CAR 1079 ATS Upload IBEX_2020_004_o0473a_v001 93 cmds

CAR 1063 ISN Sweep table upload

     Completed pass # 4 Hi sweep table normal mode

Reset Master Timer

Set Spacecraft Clock

SSR Dump -> Dump New 2 contacts

 

 

 

Results from the Inertial maneuver:

Q1 0.62667000 ActNor.EstInrToBdy[0]

Q2 0.55136200 ActNor.EstInrToBdy[1]

Q3 -0.31884900 ActNor.EstInrToBdy[2]

Q4 0.44902000 ActNor.EstInrToBdy[3]

     

GPS sec 1261429834 ActNor.EstTime

     

UTC time 12/26/2019 21:10:20 output

MPS Diff 0.741 deg

MPS Cmd Vector X 0.094290000

MPS Cmd Vector Y -0.909322000

MPS Cmd Vector Z -0.405269000

CSS Angle TLM 0.554966

CSS Sun-Pointing Angle 1.109932

  22 Dec 19 @ 20:00

CSS Angle TLM 1.38847

CSS Sun-Pointing Angle 2.77694

  26 Dec 19 @ 21:00

Pre-Burn   

Thruster 1 1136 22 Dec 19 @ 20:00

Thruster 2 1088

Thruster 3 1440

Thruster 4 1488

Post-Burn  

Thruster 1 1504 26 Dec 19 @ 21:00

Thruster 2 1456

Thruster 3 1840

Thruster 4 1888

Number of Pulses  

Thruster 1 368

Thruster 2 368

Thruster 3 400

Thruster 4 400

Thruster Pairs 

Thruster 1 & 2 736

Thruster 3 & 4 800

 

 

 

 

Timothy E. Perry

Mission Operations

CRS, IBEX, OCO-2 & TESS

timothy.perry@ngc.com

Office (703) 406-5976

Cell (301) 606-1430