Date |
Time |
Component |
Description |
|
09/30/2006 | 05:50:00 | | SADBIAS activated and Mode Controller autonomously swapped after bus voltage surged to over 31 volts due to minimal power load (all payloads except SARR off, most TCE's also off.) |
|
09/29/2006 | 18:30:00 | BAT 3 | Battery commanded back to low rate charge. |
|
09/29/2006 | 02:21:20 | BAT 3 | Battery running excessively warm, autonomously dropped to trickle charge. |
|
09/28/2006 | 18:51:08 | PSE | Major spacecraft attitude perturbation resulted in autonomous PSE mode controller switch. |
|
09/28/2006 | 14:47:20 | SAD | Major spacecraft attitude perturbation resulted in autonomous SAD swap with possible mechanical and power production impacts. |
|
09/22/2006 | 10:31:00 | | Sun-moon eclipse event occurred on 2 sequential orbits between 10:31z and 12:50z. Deepest percentage of solar array occlusion was approx. 85%. |
|
03/28/2006 | 08:30:00 | | Sun-moon eclipse event occurred on 3 sequential orbits between 08:30z and 11:30z. Deepest percentage of solar array occlusion was approx. 50%. |
|
11/22/2005 | 13:56:00 | BAT 1 | Changes VT levels on BAT-1 to 6/9 (from 7/9) on BAT-2 to 7/9 (from 8/9) and on BAT-3 to 6/9 (from 7/9). |
|
11/22/2005 | 13:55:00 | SA | Move array from present offset of -45 degs to a new offset of -50 degs to ease shunt loading. |
|
11/17/2005 | 13:20:00 | BAT 1 | Power balance reconfiguration. Changes VT levels on all three batteries from 6/9, 7/8, 6/9 to 7/9, 8/9, and 7/9 |
|
10/19/2005 | 14:35:00 | BAT 1 | Change VT levels on batteries 1, 2 and 3 to 6/9. 7/9, 6/9 (from 7/11, 8/11, 7/11) respectively. |
|
10/19/2005 | 14:30:00 | SA | Move solar array to -45 degree offset from the sun (from -55 degs) |
|
10/03/2005 | 09:27:00 | SA | Sun-Moon eclipse occurred on spacecraft on one rev from 09:27 through 09:42Z. No reconfigurations required in preparation for this event. Maximum array percentage loss at peak eclipse was 25% down to 180 mAmps. No battery discharge resulted. |
|
04/08/2005 | 17:59:00 | SA | Sun-Moon eclipse occured on spacecraft from 17:59 through 18:12Z. No reconfigurations required in preparation for this event. Maximum array percentage loss at peak eclipse was 23% down to 187 mAmps. |
|
02/10/2005 | 17:55:00 | | Changed flight software to make battery V/T curves 7/11, 8/11 and 7/11 as well as lowered minimum battery voltage for safe state trigger to 18.98 |
|
10/14/2004 | 12:30:00 | SA | Solar eclipse intermittently for 4 hours between 00:30 and 04:30. No reconfigurations required, Spacecraft remained nominal throughout. |
|
04/19/2004 | 12:00:00 | SA | Solar eclipse intermittently for 4 hours between 11:00 and 15:00 No reconfigurations required, Spacecraft remained nominal throughout. |
|
03/30/2004 | 11:00:00 | | N14 starting new, permanent, eclipse season to last throughout 2004 averaging 21% darkness per orbit. |
|
03/30/2004 | | | Eclipse season for 2004 started on 30 Mar. Season will last throughout and beyond 2004. |
|
11/24/2003 | 12:45:00 | SA | Solar eclipse for 10 minutes. 18% was maximum percent shading on solar array. Spacecraft remained nominal. |
|
11/23/2003 | 22:44:00 | SA | Solar eclipse for 20 minutes. 75% was maximum percent shading on solar array. Spacecraft remained nominal. |
|
11/23/2003 | 20:55:00 | SA | Solar eclipse for 8 minutes. 12% was maximum percent shading on solar array. Spacecraft remained nominal. |
|
08/21/2003 | 13:30:00 | SA | Change the solar array offset to -55 from -45 degrees. |
|
08/15/2003 | 19:00:00 | | Eclipse season for 2003 ENDED on 15 Aug 03 at 19:00Z |
|
06/19/2003 | 18:20:00 | SA | Change array offset to -45 degrees from -50. |
|
06/12/2003 | 18:05:00 | SA | Change solar array offset to -50 degrees from -55. |
|
05/02/2003 | 12:30:00 | | Eclipse season for 2003 started on 2 May 03 at 13:55Z |
|
04/30/2003 | 17:10:00 | PSE | Command PSE Mode controller to Primary from backup. |
|
04/30/2003 | 17:10:00 | PSE | Command PSE Boost Regulator to Primary from backup |
|
04/29/2003 | 19:00:00 | SHUNT A | Move array to -55 degree offset to reduce power production because of shunt degradation |
|
04/29/2003 | 05:15:00 | SHUNT A | Mode controller and boost regulator switched to backup from primary after surge in bus voltage, caused by shunt degradation. |
|
12/04/2002 | 01:00:00 | SA | Solar eclipse event |
|
08/08/2002 | 15:10:00 | BAT 1 | Battery-1 charge rates changed from LOW RATE to TRICKLE |
|
08/08/2002 | 15:10:00 | BAT 2 | Battery-2charge rates changed from LOW RATE to TRICKLE |
|
08/08/2002 | 15:10:00 | BAT 3 | Battery-3 charge rates changed from LOW RATE to TRICKLE |
|
07/27/2002 | | SA | Eclipse Season for 2002 Ends |
|
06/11/2002 | 01:50:00 | SA | Solar Eclipse Event |
|
06/10/2002 | 21:30:00 | SA | Solar Eclipse Event |
|
05/15/2002 | | SA | Eclipse Season Sfor 2002 starts |
|
05/14/2002 | 18:15:00 | BAT 1 | Battery-1 charge rates changed from TRICKLE to LOW RATE |
|
05/14/2002 | 18:15:00 | BAT 2 | Battery-2 charge rates changed from TRICKLE to LOW RATE |
|
05/14/2002 | 18:15:00 | BAT 3 | Battery-3 charge rates changed from TRICKLE to LOW RATE |
|
04/30/2002 | 19:30:00 | SA | SA Offset changed to -40 from -20 |
|
09/18/2001 | 15:00:00 | SA | Solar Array offset changed from -65 to -20 degs to unshade the sun sensor. |
|
08/11/2001 | | SA | Eclipse Season for 2001 Ends |
|
08/08/2001 | 19:05:00 | BAT 1 | Battery-1 charge rates changed from LOW RATE to TRICKLE |
|
08/08/2001 | 19:05:00 | BAT 2 | Battery-2 charge rates changed from LOW RATE to TRICKLE |
|
08/08/2001 | 19:05:00 | BAT 3 | Battery-3 charge rates changed from LOW RATE to TRICKLE |
|
05/02/2001 | 19:20:00 | BAT 1 | Battery-1 charge rates changed from TRICKLE to LOW RATE |
|
05/02/2001 | 19:20:00 | BAT 2 | Battery-2 charge rates changed from TRICKLE to LOW RATE |
|
05/02/2001 | 19:20:00 | BAT 3 | Battery-3 charge rates changed from TRICKLE to LOW RATE. |
|
04/29/2001 | 02:40:00 | BAT 1 | Battery-1 charge rates changed from LOW RATE to TRICKLE |
|
04/29/2001 | 02:40:00 | BAT 2 | Battery-2 charge rates changed from LOW RATE to TRICKLE |
|
04/29/2001 | 02:40:00 | BAT 3 | Battery-3 charge rates changed from LOW RATE to TRICKLE |
|
04/28/2001 | 18:20:00 | BAT 1 | Switched VT Limits from 6/9 to 8/11 due to high battery voltage |
|
04/28/2001 | 18:20:00 | BAT 2 | Switched VT Limits from 7/9 to 9/11 due to high battery voltage |
|
04/28/2001 | 18:20:00 | BAT 3 | Switched VT Limits from 6/9 to 8/11 due to high battery voltage |
|
04/26/2001 | 13:45:00 | BAT 1 | Battery-1 charge rates changed from TRICKLE to LOW RATE |
|
04/26/2001 | 13:45:00 | BAT 2 | Battery-2 charge rates changed from TRICKLE to LOW RATE |
|
04/26/2001 | 13:45:00 | BAT 3 | Battery-3 charge rates changed from TRICKLE to LOW RATE. |
|
04/26/2001 | | SA | Eclipse season for 2001 starts |
|
02/18/2000 | | SA | Solar Array Offset changed from -55 deg to +35 deg to improve data quality of playbacks due to possible RF reflection from the back of the solar array. |
|
12/30/1994 | 10:36:00 | BAT 1 | On Orbit |
|
12/30/1994 | 10:36:00 | BAT 2 | On Orbit |
|
12/30/1994 | 10:36:00 | BAT 3 | On Orbit |
|
12/30/1994 | 10:36:00 | BRU 1 | On Orbit |
|
12/30/1994 | 10:36:00 | BRU 2 | On Orbit |
|
12/30/1994 | 10:36:00 | BRU 3 | On Orbit |
|
12/30/1994 | 10:36:00 | SHUNT A | On Orbit |
|
12/30/1994 | 10:36:00 | SHUNT B | On Orbit |
|
12/30/1994 | 10:36:00 | SA | On Orbit |
|
12/30/1994 | 10:36:00 | SAD | On Orbit |
|
12/30/1994 | 10:36:00 | PSE | On Orbit |
|
12/30/1994 | 10:36:00 | ADE | On Orbit |
|
12/30/1994 | 10:36:00 | SATCU | On Orbit |