[Isocops] IBEX Goat Herder for 15 Jan 21

[Perry, Timothy E [US] (SP)]

All,
    The apogee contact was nominal for CMD & TLM. The inertial maneuver was successful. There was another star tracker reset during the back orbit period. The tracker recovered and was @75 percent valid @ AOS. FDC Totals and Response latch values were reset during the contact. I was able to change the downlink from 2K up to 40k and dump the flight computer back orbit data. Unfortunately the data didn't go back far enough to see the tracker reset. Razor number for the Star Tracker reset is I100-683.

Task Accomplished:
Set Downlink to 40k
CAR 344 - Reset FDC Totals and Response latch values
Dumped Flight Computer Back Orbit Data

Inertial Maneuver Results:
Q1 -0.18513800 ActNor.EstInrToBdy[0]
Q2 0.80191600 ActNor.EstInrToBdy[1]
Q3 -0.54701700 ActNor.EstInrToBdy[2]
Q4 0.15305700 ActNor.EstInrToBdy[3]

GPS sec 1294765701 ActNor.EstTime

UTC time 01/15/2021 17:08:07 output

MPS Cmd Vector X 0.451394000
MPS Cmd Vector Y -0.815041000
MPS Cmd Vector Z -0.363251000

MPS Diff 0.618 deg

CSS Angle TLM 0.786386
CSS Sun-Pointing Angle 1.572772
  11 Jan 21 @ 21:00:00

CSS Angle TLM 1.23353
CSS Sun-Pointing Angle 2.46706
  15 Jan 21 @ 17:00:00

Pre-Burn
Thruster 1 352 11 Jan 21 @ 21:00:00
Thruster 2 352
Thruster 3 368
Thruster 4 368

Post-Burn   `
Thruster 1 624 15 Jan 21 @ 17:00:00
Thruster 2 624
Thruster 3 656
Thruster 4 656

Number of Pulses
Thruster 1 272
Thruster 2 272
Thruster 3 288
Thruster 4 288
Thruster Pairs
Thruster 1 & 2 544
Thruster 3 & 4 576


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

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