[Isocops] IBEX Goat Herder for Aug 20 & 21

Nigel Angold angoldconsulting at earthlink.net
Wed Aug 21 09:16:39 EDT 2019


Thanks Tim, that’s good news.

So the SSR dump looked ok?

I’d like NG to look closely at the events that led to the spacecraft entering Contingency State and make sure we understand why the instruments were powered off but the star tracker and CEU stayed on.

Greg Dunn and John Hanley, do you have access to the data you need to look at the CEU functionality through the anomaly?

Thanks,
Nigel

> All,
>    The perigee passes were nominal for CMD and TLM. The Inertial maneuver was successful. As part of the string-2 recertification, I took the second pass on in it. CMD and TLM was nominal.  
> The following was completed:
> Reset the Master Timer
> Set the Spacecraft Clock
> Reset FDC totals
> SSR Dump -> Dump_New
>  
>  
> Results from the Inertial maneuver:
> Q1 -0.57817200 ActNor.EstInrToBdy[0]
> Q2 -0.22672800 ActNor.EstInrToBdy[1]
> Q3 0.46072400 ActNor.EstInrToBdy[2]
> Q4 0.63407000 ActNor.EstInrToBdy[3]
> GPS sec 1250422185 ActNor.EstTime
> MPS Diff 0.615 deg
> MPS Cmd Vector X -0.822081000
> MPS Cmd Vector Y 0.525925000
> MPS Cmd Vector Z 0.218143000
> CSS Angle TLM 0.815654
> CSS Sun-Pointing Angle 1.631308
>   16 Aug 19 @ 12:00
> CSS Angle TLM 0.467719
> CSS Sun-Pointing Angle 0.935438
>   21 Aug 19 @ 11:30
> Pre-Burn   
> Thruster 1 16512 16 Aug 19 @ 12:00
> Thruster 2 16096
> Thruster 3 19520
> Thruster 4 19936
> Post-Burn   
> Thruster 1 16752 21 Aug 19 @ 11:30
> Thruster 2 16336
> Thruster 3 19808
> Thruster 4 20224
> Number of Pulses   
> Thruster 1 240
> Thruster 2 240
> Thruster 3 288
> Thruster 4 288
> Thruster Pairs 
> Thruster 1 & 2 480
> Thruster 3 & 4 576
>  
>  
> Timothy E.Perry
> CRS IBEX OCO-2
> Mission Operations
> tim.perry at ngc.com <mailto:tim.perry at ngc.com>
> Office (703) 406-5976
> Cell (301) 606-1430
>  
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>  
>  
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