All,

The Orbit# 555 Perigee contacts were nominal for command/telemetry and the inertial maneuver was successful.

The following objectives were accomplished

Set downlink to 320ksps

SSR Dump -> Dump New

CAR# 1123 Dump missing Orbit# 554 SSR Blocks

Reset 18 Day Timer

Set SC clock

CAR # 1224 Orbit #557 ATS uplink (06 – 16 Feb 22)

   IBEX_2022_037_o0557a_v001  (83 cmds) (448 – 530)

Blind_Acq. (64ksps)

CAR# 1193   Lo ISN Sweep Table upload

Orbit# 555 Perigee  Sun Angle/Thruster Counts

J2000     Spin Axis             

ECI X      0.632422             

ECI Y      -0.711191            

ECI Z      -0.307001            

Precession Maneuver                   

Cmd Diff              71.026   deg

MPS Diff              0.697     deg

*MPS Diff should be < 1.5*

Q1          0.39890900          ActNor.EstInrToBdy[0]

Q2          0.70311600          ActNor.EstInrToBdy[1]

Q3          -0.18957200        ActNor.EstInrToBdy[2]

Q4          0.55728100          ActNor.EstInrToBdy[3]

GPS sec                1327499430         ActNor.EstTime

UTC time             01/29/2022 13:50:16        output

CSS Angle TLM  1.13729

CSS Sun-Pointing Angle 2.27458

                                24 Jan 22 @ 16:30:00

CSS Angle TLM  1.1409  

CSS Sun-Pointing Angle 2.2818  

                                29 Jan 22 @ 13:00:00

Pre-Burn                            

Thruster 1           15728    24 Jan 22 @ 16:30:00

Thruster 2           15296   

Thruster 3           19360   

Thruster 4           19792   

Post-Burn                           

Thruster 1           16016    29 Jan 22 @ 13:00:00

Thruster 2           15584   

Thruster 3           19664   

Thruster 4           20096   

Number of Pulses                           

Thruster 1           288        

Thruster 2           288        

Thruster 3           304        

Thruster 4           304        

Thruster Pairs                   

Thruster 1 & 2    576        

Thruster 3 & 4    608        

Sheral Wesley  | Sr Principal Engineer, Satellite Systems

Northrop Grumman Corporation  |  Space Systems

O: 703-406-5641  |  C: 202-236-0802  |  sheral.wesley@ngc.com