Wesley, Sheral R [US] (SP)

October 26, 2023 at 17:41

All,

    The perigee contacts were nominal. The sun maneuver was successful. The current star percent valid is at 79%.

The following contact was extended to successfully re-dump Orbit 624 VC2 data

  IBEX,AUWA01,ADD,10/26/23,299,20:00:00,10/26/23,299,21:30:00,LAHO 64K IBEX-3 Orbit# 625 Tracking Contact 11re Perigee

Tasks Accomplished:

Reset Master Timer

SSR Dump -> Dump New (4136 est. remaining blocks)

Set Static Z rate

CAR# 1349 Upload Orbit# 626 (26 Oct – 4 Nov 23)

IBEX_2023_299_o0626a_v001.scr (753-855)

CAR# 1350 Upload Orbit# 627 (4 Nov – 13 Nov 23)

IBEX_2023_308_o0627a_v002.scr (856-953)

CAR# 1348 Redump orbit# 624 Blocks (SSR Dump.scr, Start 123010, Numblks, 29740)

 

Results from the Sun Maneuver:

 

CSS Angle TLM   0.976787           

CSS Sun-Pointing Angle  1.953574           

                                25 Oct 23@01:00:00

CSS Angle TLM   1.64746              

CSS Sun-Pointing Angle  3.29492              

                                26 Oct 23@11:15:00

Pre-Burn                            

Thruster 1           13440   25 Oct 23@01:00:00

Thruster 2           13072  

Thruster 3           17328  

Thruster 4           17696  

Post-Burn                           

Thruster 1           13632   26 Oct 23@11:15:00

Thruster 2           13216  

Thruster 3           17760  

Thruster 4           18176  

Number of Pulses                            

Thruster 1           192       

Thruster 2           144       

Thruster 3           432       

Thruster 4           480       

Thruster Pairs                   

Thruster 1 & 2   336       

Thruster 3 & 4   912       

 

 

Best Regards,

 

Sheral Wesley  |  Sr Principal Engineer, Satellite Systems

Northrop Grumman Corporation  |  Space Systems

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

 

Perry, Timothy E [US] (SP)

October 24, 2023 at 21:41

All,

    The apogee contact was nominal. The sun maneuver was successful. The static Z rate was set during the contact. The current star percent valid is at 72%.

  

Tasks Accomplished:

Reset FDC Totals

Set Static Z rate

 

Results from the Sun Maneuver:

CSS Angle TLM 0.832748

CSS Sun-Pointing Angle 1.665496

  17 Oct 23@20:30:00

CSS Angle TLM 0.976787

CSS Sun-Pointing Angle 1.953574

  25 Oct 23@01:00:00

Pre-Burn   

Thruster 1 13248 17 Oct 23@20:30:00

Thruster 2 12880

Thruster 3 16912

Thruster 4 17280

Post-Burn  

Thruster 1 13440 25 Oct 23@01:00:00

Thruster 2 13072

Thruster 3 17328

Thruster 4 17696

Number of Pulses  

Thruster 1 192

Thruster 2 192

Thruster 3 416

Thruster 4 416

Thruster Pairs 

Thruster 1 & 2 384

Thruster 3 & 4 832

 

 

 

Timothy E.Perry

CRS IBEX OCO-2

Mission Operations

timothy.perry@ngc.com

Office (703) 406-5976

Cell (301) 606-1430