[Isocops] IBEX Goat Herder for 3 April 2023

[Nigel Angold]

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

On Apr 3, 2023, at 4:13 AM, Perry, Timothy E [US] (SP) <Timothy.Perry at ngc.com> wrote:



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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