ACE Weekly 03/15/2011 - 03/21/2011 All ACE spacecraft subsystems are performing nominally. ======================================================================== Orbit/Attitude: Type Attitude Date 03/17/2011 DOY 076 2011 Thrusters 2R 4R+ 4R- Duration 14:54 min Start 15:08:41z Stop 15:23:35z HGAStart -6.70deg HGAStop +7.49deg SunStart 14.81deg SunStop 5.39deg SpinStart 5.0664rpm SpinStop 5.0695rpm Nutation 0.05deg Firing 76 pulses FuelUsed 0.2385lbs FuelRemain 130.0824lbs FinalSCMass 1364.342lbs The next attitude maneuver is scheduled for Monday, 04/04/2011. ======================================================================= OCRs: None ======================================================================== Activities: Data Capture: 100% DOY 074-080 2011 ======================================================================== Anomalies: DOY 074 03/15/2011 S-ACE-0591 G11-0019 S_DUMPLIST Syntax Error Unexpected end of file message received at line 1 of S_DUMPLIST procedure. ITOS Procedure execution automatically halted. IMPACT: Manual intervention required. Pass Clean-up activities and report generation manually executed. Data redumps and health checkout commands were performed on the following pass. DOY 076 03/17/2011 S-ACE-0592 G10-0020 ITOS tm_controller ITOS was unable to process telemetry due to a "timeout reading from tm_controller". ITOS was restarted before beginning of track. (DR CDSID#00027515) IMPACT: Manual intervention required. No delay in activities. DOY 077 03/18/2011 S-ACE-0593 G10-0021 DSN DCD Failure JPL reported there were experiencing connection issues with the Data Capture and Delivery (DCD) system. DR#G111223 IMPACT: Minimal. MOC experienced two data outages (9 minute outage at 2208z and a 34 minute outage at 2226z). All data redumps performed on the following pass. DOY 078 03/20/2011 S-ACE-0594 G10-0022 Playback data (VC2) not received in MOC NO VC2 data received in the MMOC from 15:17:00-18:00:00. VC1 data was successfully received. IDR file does have VC2 data during this time. IMPACT: Minimal. Data redumps performed on the following pass. ============================================================== Jacqueline Maldonado Snell WIND, Geotail and ACE Flight Operations Team Manager Honeywell Technology Solutions Incorporated (HTSI) Goddard Space Flight Center Bldg. 14 Rm N284, Mailstop 428.2 Greenbelt, MD 20771 Office: 301-286-7072 Blackberry: 443-896-8868 Fax: 301-286-8257 E-mail: Jacqueline.M.Snell@nasa.gov ------=_NextPart_000_0001_01CBE8EA.365E4490 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable
ACE =
Weekly 03/15/2011 - 03/21/2011
All =
ACE spacecraft subsystems are performing nominally.
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Orbit/Attitude:
Type =
Attitude
Date =
03/17/2011
DOY &=
nbsp; 076 2011
Thrusters 2R =
4R+ 4R-
Duration 14:54 =
min
Start =
15:08:41z
Stop =
15:23:35z
HGAStart =
-6.70deg  =
;
HGAStop =
+7.49deg  =
;
SunStart =
14.81deg
SunStop =
5.39deg
SpinStart =
5.0664rpm
SpinStop =
5.0695rpm
Nutation =
0.05deg
Firing 76 =
pulses
FuelUsed =
0.2385lbs
FuelRemain =
130.0824lbs
FinalSCMass 1364.342lbs =
The next attitude maneuver is scheduled for Monday, =
04/04/2011.
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OCRs:
None
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Activities:
Data =
Capture: 100% DOY 074-080 2011
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Anomalies:
DOY =
074 03/15/2011 S-ACE-0591 G11-0019 S_DUMPLIST =
Syntax Error
Unexpected end of =
file message received at line 1 of S_DUMPLIST =
procedure.
ITOS Procedure =
execution automatically halted.
IMPACT: Manual intervention required. =
Pass Clean-up activities and report
generation manually executed. Data redumps =
and health checkout commands
were =
performed on the following pass.
DOY 076 03/17/2011 =
S-ACE-0592 G10-0020 ITOS tm_controller
ITOS was unable to process telemetry due to a =
"timeout reading from
tm_controller". ITOS was restarted =
before beginning of track. (DR
CDSID#00027515)
IMPACT: Manual intervention required. =
No delay in activities.
DOY 077 03/18/2011 =
S-ACE-0593 G10-0021 DSN DCD Failure
JPL reported there were experiencing connection =
issues with the Data
Capture and =
Delivery (DCD) system. DR#G111223
IMPACT: Minimal. MOC experienced two =
data outages (9 minute outage
at =
2208z and a 34 minute outage at 2226z). All data redumps performed =
on the following =
pass.
DOY 078 03/20/2011 =
S-ACE-0594 G10-0022 Playback data (VC2) not received in =
MOC
NO VC2 data received in the =
MMOC from 15:17:00-18:00:00. VC1 data was
successfully received. IDR file does have VC2 =
data during this time.
IMPACT: Minimal. Data redumps performed =
on the following pass.
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Jacqueline Maldonado Snell
WIND, Geotail and ACE Flight Operations Team =
Manager
Honeywell Technology Solutions Incorporated =
(HTSI)
Goddard =
Space Flight Center
Bldg. =
14 Rm N284, Mailstop 428.2
Greenbelt, MD 20771
Office: 301-286-7072
Blackberry: 443-896-8868
Fax: 301-286-8257
E-mail: Jacqueline.M.Snell@nasa.gov=
a>