[Isocops] EXT :Re: IBEX Goat Herder for Aug 20 & 21

[Perry, Timothy]

The SSR was a complete dump 20769 blocks 0 errors.

Timothy E.Perry
CRS IBEX OCO-2
Mission Operations
tim.perry at ngc.com
Office (703) 406-5976
Cell (301) 606-1430

[cid:image001.png at 01D542D6.6047A400]


From: Nigel Angold [mailto:angoldconsulting at earthlink.net]
Sent: Wednesday, August 21, 2019 9:17 AM
To: Perry, Timothy <Timothy.Perry at ngc.com>
Cc: Bobbett, James <James.Bobbett at ngc.com>; Bret Hautamaki <bhautama at gmail.com>; Carol Weaver <carol.weaver at unh.edu>; Chubin, Eric <Eric.Chubin at ngc.com>; Dreyer, Sean <Sean.Dreyer at ngc.com>; Fleming, Ed <Ed.Fleming at ngc.com>; IBEX Operations <ibexops at gmail.com>; IBEX-FDG <IBEX.fdg at applieddefense.com>; ISOC at New Hampshire <isocops at lists.sr.unh.edu>; Cavallo, John <John.Cavallo at ngc.com>; Ken Fairchild <fair-play at comcast.net>; Ken Fairchild (kwfairchild at gmail.com) <kwfairchild at gmail.com>; Tyler, Ryan <Ryan.Tyler at ngc.com>; Wesley, Sheral <Sheral.Wesley at ngc.com>; Greg Dunn <gdunn at swri.edu>; John Hanley <jhanley at swri.edu>; Varia, Apurva P. (GSFC-5840) <apurva.p.varia at nasa.gov>; Scott Weidner <sweidner at princeton.edu>; John Scherrer <jscherrer at swri.edu>; Paul Janzen <paul.janzen at umontana.edu>; David Heirtzler <dheirtzl at atlas.sr.unh.edu>
Subject: EXT :Re: IBEX Goat Herder for Aug 20 & 21

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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