[Isocops] IBEX Goat Herder Oct 28 -29, 2022

[NIgel Angold]

Tim and Sheral,

Many thanks for going above and beyond these past two orbits to ensure 
the spacecraft was healthy after the Alaska contacts failed.The personal 
sacrifices you continue to make for this mission - day, night, weekends 
or holidays - are much appreciated.

I'm sure SSC is looking into why the AK contacts failed but I'll follow 
up with them. I see you've already extended contacts next perigee to 
downlink the orbit 585 SSR data which we didn't get this orbit. And 
you've switched the AK contact to HI01 - good idea.

Thank you, thank you, thank you and Go IBEX!
Nigel
> Wesley, Sheral R [US] (SP) <mailto:Sheral.Wesley at ngc.com>
> October 29, 2022 at 05:22
>
> All,
>
> The first perigee contact for Orbit# 585 was nominal and the inertial 
> maneuver was successful.
>
> The SSR_Dump contact with USAK01 was a failure. At AOS, we did not see 
> downlink and tried to command to a lower downlink data rate with no 
> success.
>
> We then tried to blind acq the spacecraft @160k with no success and 
> tried again to command the downlink to 2k & to 40k with no success.
>
> The contact was ended early and a scheduled Blind_Acq contact with 
> HAW01 @1045z was successful to monitor the health of the spacecraft.
>
> Tasks Accomplished:
>
> CAR # 1275 Orbit 587 ATS Upload
>
> IBEX_2022_311_o0587a_v001 93 cmds
>
> Dump Backorbit data
>
> Reset FDC totals
>
> Reset 18 Day Timer
>
> Blind_acq.scr
>
> Results from the Inertial Maneuver:
>
> Q1-0.56096800ActNor.EstInrToBdy[0]
>
> Q2-0.53963000ActNor.EstInrToBdy[1]
>
> Q30.61039700ActNor.EstInrToBdy[2]
>
> Q40.14673100ActNor.EstInrToBdy[3]
>
> GPS sec1351020724ActNor.EstTime
>
> UTC time10/28/2022 19:31:50output
>
> MPS Diff0.699deg
>
> MPS Cmd Vector X-0.840662000
>
> MPS Cmd Vector Y-0.493233000
>
> MPS Cmd Vector Z-0.223624000
>
> CSS Angle TLM0.358274
>
> CSS Sun-Pointing Angle0.716548
>
> 27 Oct 22 @02:30:00
>
> CSS Angle TLM0.218503
>
> CSS Sun-Pointing Angle0.437006
>
> 28 Oct 22 @18:32:00
>
> *Pre-Burn*
>
> Thruster 1793627 Oct 22 @02:30:00
>
> Thruster 27696
>
> Thruster 310096
>
> Thruster 410336
>
> *Post-Burn***
>
> Thruster 1806428 Oct 22 @18:32:00
>
> Thruster 27824
>
> Thruster 310224
>
> Thruster 410464
>
> *Number of Pulses***
>
> Thruster 1128
>
> Thruster 2128
>
> Thruster 3128
>
> Thruster 4128
>
> Thruster Pairs
>
> Thruster 1 & 2256
>
> Thruster 3 & 4256
>
>
>
> Best Regards,
>
> *Sheral*Wesley  |SrPrincipal Engineer, Satellite Systems
>
> Northrop Grumman Corporation  |  Space Systems
>
> O: 703-406-5641  |  C: 202-236-0802  | sheral.wesley at ngc.com 
> <mailto:sheral.wesley at ngc.com>
>
>

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