[Isocops] IBEX Goat Herder for 3 April 2023

[NIgel Angold]

Let's discuss on tomorrow's ops call.

Nigel
> ADS-IBEX at L3Harris.com <mailto:ADS-IBEX at L3Harris.com>
> April 3, 2023 at 09:10
>
> Hi all,
>
> I can redo the predicts with the updated maneuvers. Nigel, to clarify, 
> are you wanting an updating star tracker outage report?
>
> I will just need to know whether the perigee inertial maneuver was 
> executed or not – which sounds like the same question that was stated 
> below regarding whether we had any pulses for it.
>
> Thanks!
>
> Kayton
>
> *Kayton Lane*
>
> *Astrodynamics Engineer*
>
> *Space & airborne systems / L3HARRIS TECHNOLOGIES*
>
> w +1 321 729 1809**
>
> m +1 218 431 0586
>
> L3Harris.com / _Kayton.Lane at L3Harris.com 
> <mailto:Kayton.Lane at L3Harris.com>_
>
> Palm Bay, FL 32905 / USA
>
> *From:* Nigel Angold <nangold at princeton.edu>
> *Sent:* Monday, April 3, 2023 7:59 AM
> *To:* Perry, Timothy E [US] (SP) <Timothy.Perry at ngc.com>
> *Cc:* bhautama at gmail.com; carol.weaver at unh.edu; Chubin, Eric [US] (SP) 
> <Eric.Chubin at ngc.com>; SM[SSTC] - ADS-IBEX <ADS-IBEX at L3Harris.com>; 
> IBEXOPS at gmail.com; isocops at lists.sr.unh.edu; fair-play at comcast.net; 
> kwfairchild at gmail.com; ken.fairchild at unh.edu; Leonard, Benjamin Y [US] 
> (SP) <Benjamin.Leonard at ngc.com>; angoldconsulting at earthlink.net; 
> Tyler, Ryan S [US] (SP) <Ryan.Tyler at ngc.com>; Wesley, Sheral R [US] 
> (SP) <Sheral.Wesley at ngc.com>; Wynn, Reese [US] (SP) <Reese.Wynn at ngc.com>
> *Subject:* [EXTERNAL] Re: IBEX Goat Herder for 3 April 2023
>
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>
> Thanks, Tim and Ken for working this.
>
> Is there any chance that we were in a partial outage because of the 
> failed maneuver followed by the Sun pointing maneuver instead of the 
> inertial? I’m not sure if that would explain the percent valid 
> bouncing around  like that. But it’s odd that the value was back up to 
> a solid 78-80% last contact.
>
> Did we have any pulses for the failed maneuver?
>
> Would FD running the predicts with the actual attitudes be 
> useful/possible?
>
> Thanks,
>
> Nigel
>
> Sent from my iPhone
>
>
>
>
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> Nigel Angold <mailto:nangold at princeton.edu>
> April 3, 2023 at 07:59
> Thanks, Tim and Ken for working this.
>
> Is there any chance that we were in a partial outage because of the 
> failed maneuver followed by the Sun pointing maneuver instead of the 
> inertial? I’m not sure if that would explain the percent valid 
> bouncing around  like that. But it’s odd that the value was back up to 
> a solid 78-80% last contact.
>
> Did we have any pulses for the failed maneuver?
>
> Would FD running the predicts with the actual attitudes be 
> useful/possible?
>
> Thanks,
> Nigel
>
> Sent from my iPhone
>
> Perry, Timothy E [US] (SP) <mailto:Timothy.Perry at ngc.com>
> April 3, 2023 at 05:13
>
> All,
>
>    The contact was successful. We were able to delete all the timed 
> commands and uplink a new Orbit 603 ATS version 2. On previous 
> contacts we were seeing the star tracker percent valid value jump 
> around from 0 – 80. That was what caused the spacecraft to go into 
> contingence mode during the perigee inertial maneuver. This contact 
> the star tracker percent valid was stable between 78 & 80.
>
> Tasks Accomplished:
>
> Ops Procedure OP924-31423 Delete timed commands
>
> CAR # 1307 Orbit 603 Version 2 ATS uplink
>
> Reset FDC Totals
>
> Timothy E.Perry
>
> CRS IBEX OCO-2
>
> Mission Operations
>
> timothy.perry at ngc.com <mailto:timothy.perry at ngc.com>
>
> Office (703) 406-5976
>
> Cell (301) 606-1430
>

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