ACE Weekly 01/20/2016 - 01/27/2016

All ACE spacecraft subsystems are performing as expected.

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Attitude/Orbit:


Type               Attitude
Date             01/27/2016
DOY                027 2016
Thrusters        2R 4R+ 4R-
Duration       6:49 minutes
Start             16:43:50z
Stop              16:50:39z
ra,decStart   290.66,-19.86
ra,decStop    297.32,-20.57
ra,decExpect  297.36,-20.65
Deviation          0.09 deg (-0.7%)
HGAStart          -7.87 deg
HGAStop           -1.76 deg
SunStart          17.79 deg
SunStop           11.66 deg
SpinStart        5.0425 rpm
SpinStop         5.0441 rpm
Nutation           0.05 deg
Firing            35 pulses
FuelUsed         0.1084 lbm
FuelRemain      93.1716 lbm
FinalSCMass    1327.432 lbm


Upcoming Maneuver Schedule:

- Attitude maneuver:     		Tuesday, 02/02/2016

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OCRs:

None


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Activities:

Data Capture: 99.992%  2016 DOY 017 - 2016 DOY 024

Note: 50-sec data gap during the carryover playback of 024:00:45:35 -
024:00:46:24 (unrecoverable).

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Anomalies:

- 01/24/2016 - SOAR S-ACE-35-CTT-1 ¡©- DSN Problem (Madrid Complex)
Recurring

On early Sunday morning (01/24/2016), the DSN Ops Chief informed the FOT
that the DSS-65 (Madrid) S-Band downlink capability was Red (see DSN DR#
M109168). The DSS-65 contact for DOY-024 (BOT=11:30 UT, EOT=15:00 UT) was
lost due to the anomaly.


Impact:

Minimal - The FOT worked closely with the SSMO/NENSO Scheduling Team and
two WS1 passes were successfully added to the schedule, which compensated
for the lost DSS-65 contact.