Page content updated: 2025:224:13:15:01 ( 9:15 AM Tue 12-Aug )

Key Snapshot and SOH Values (Δt = - 2:03)
Obsid29961
Format2_NORM
RadMonENAB
CPE StatusNORM
RA327.593
Dec5.270
Roll164.677
Pitch158.89
Sim Z75623
Sim Focus-467
HETG angle77.59
LETG angle76.09
SCS 107INAC
SCS 128ACT
SCS 129ACT
SCS 130INAC
RadMonENAB
SCS 131ACT
SCS 132ACT
SCS 133INAC
Snapshot from 2025:224:11:11:24 (Δt = - 2:03)

acePred
NOW
Cursor date
Cursor delta
Next comm
Delta
Station
Activity
ACE fluence
ACE P3 flux
HRC proxy
--- Latest values ---
ACE P3 flux
ACE 2hr avg
HRC proxy
SIM-Z
Pitch
RA
Dec
Roll
PCAD
Obsid
SI
Grating
SI mode
Power cmd
CCD, FEP
Vid, Clock

Chandra Events (Load link unavailable)
Time (UT)EventDelta timeTime (Eastern)
2025:224:03:56:47Maneuver to 209.15253 -19.51158 244.000 [2025:224:04:19:29]- 9:1811:56 PM Mon 11-Aug
2025:224:04:35:44Load AUG1125A:CL224:0401 [2025:225:16:05:02]- 8:3912:35 AM Tue 12-Aug
2025:224:04:35:44Load AUG1125A:CL224:0401 [2025:225:16:05:02]- 8:3912:35 AM Tue 12-Aug
2025:224:04:39:12Obsid: 30016 SI: HRC-I (14 ksec) Target: HE 1353-1917 - 8:3512:39 AM Tue 12-Aug
2025:224:08:40:52Maneuver to 268.78476 19.27194 240.687 [2025:224:09:07:28]- 4:34 4:40 AM Tue 12-Aug
2025:224:09:07:28ER Obsid: 42204 (0 ksec) Purpose: Intermediate Attitud - 4:07 5:07 AM Tue 12-Aug
2025:224:09:07:49Maneuver to 327.58821 5.26989 164.677 [2025:224:09:37:24]- 4:07 5:07 AM Tue 12-Aug
2025:224:09:41:54Obsid: 29961 SI: ACIS-S (27 ksec) Target: LAMOST J215015. - 3:33 5:41 AM Tue 12-Aug
2025:224:10:15:00Comm pass on DSS-24 (duration 1:00)- 3:00 6:15 AM Tue 12-Aug
2025:224:13:15:01--------------- NOW --------------- 0:00 9:15 AM Tue 12-Aug
2025:224:17:27:00Maneuver to 321.92382 -8.42337 183.351 [2025:224:17:42:37] 4:11 1:27 PM Tue 12-Aug
2025:224:17:30:34Grating: HETG 4:15 1:30 PM Tue 12-Aug
2025:224:17:32:37RADMON Disable 4:17 1:32 PM Tue 12-Aug
2025:224:17:47:07ER Obsid: 42203 (0 ksec) Purpose: Perigee Attitude 4:32 1:47 PM Tue 12-Aug
2025:224:18:02:48Maneuver to 325.15300 -19.32400 31.111 [2025:224:18:47:50] 4:47 2:02 PM Tue 12-Aug
2025:224:18:52:20ER Obsid: 42202 (0 ksec) Purpose: Perigee Attitude 5:37 2:52 PM Tue 12-Aug
2025:224:19:08:01Maneuver to 90.00000 -37.90000 126.373 [2025:224:19:41:56] 5:53 3:08 PM Tue 12-Aug
2025:224:19:10:00Comm pass on DSS-65 (duration 1:45) 5:54 3:10 PM Tue 12-Aug
2025:224:19:46:26ER Obsid: 42201 (3 ksec) Purpose: Perigee Attitude 6:31 3:46 PM Tue 12-Aug
2025:224:20:36:15Eclipse [2025:224:21:49:41] 7:21 4:36 PM Tue 12-Aug
2025:225:00:26:31Maneuver to 325.15300 -19.32400 28.405 [2025:225:01:00:30] 11:11 8:26 PM Tue 12-Aug
2025:225:01:05:00ER Obsid: 42200 (0 ksec) Purpose: Perigee Attitude 11:49 9:05 PM Tue 12-Aug
2025:225:01:20:41Maneuver to 320.31880 -15.81500 295.610 [2025:225:01:52:00] 12:05 9:20 PM Tue 12-Aug
2025:225:01:56:30ER Obsid: 42199 (3 ksec) Purpose: Perigee Attitude 12:41 9:56 PM Tue 12-Aug
2025:225:04:14:19Maneuver to 197.45845 -23.35474 233.003 [2025:225:04:50:10] 14:5912:14 AM Wed 13-Aug
2025:225:04:14:54Grating: NONE 14:5912:14 AM Wed 13-Aug
2025:225:04:30:22RADMON Enable 15:1512:30 AM Wed 13-Aug
2025:225:04:54:40Obsid: 30965 SI: ACIS-S (29 ksec) Target: GW170817 15:3912:54 AM Wed 13-Aug
2025:225:13:01:20Maneuver to 76.95689 -69.41714 115.048 [2025:225:13:29:47] 23:46 9:01 AM Wed 13-Aug
2025:225:13:43:45Obsid: 31036 SI: HRC-I (2 ksec) Target: EP250630b 1d 00:28 9:43 AM Wed 13-Aug
2025:225:14:17:05Maneuver to 39.12461 -19.36377 99.625 [2025:225:14:40:42] 1d 01:0210:17 AM Wed 13-Aug
2025:225:14:45:12Obsid: 28311 SI: ACIS-I (6 ksec) Target: PSZ2G200.63-64. 1d 01:3010:45 AM Wed 13-Aug
2025:225:15:05:00Comm pass on DSS-54 (duration 0:30) 1d 01:4911:05 AM Wed 13-Aug
2025:225:16:23:12Load AUG1125A:CL225:1601 [2025:227:04:00:02] 1d 03:0812:23 PM Wed 13-Aug
2025:225:16:23:12Load AUG1125A:CL225:1601 [2025:227:04:00:02] 1d 03:0812:23 PM Wed 13-Aug
2025:225:16:26:12Maneuver to 338.93245 -26.07588 48.996 [2025:225:16:50:40] 1d 03:1112:26 PM Wed 13-Aug
2025:225:16:29:46Grating: HETG 1d 03:1412:29 PM Wed 13-Aug
2025:225:16:55:10Obsid: 31032 SI: ACIS-S (22 ksec) Target: NGC 7314 1d 03:4012:55 PM Wed 13-Aug
2025:225:20:40:00Comm pass on DSS-56 (duration 1:30) 1d 07:24 4:40 PM Wed 13-Aug
2025:225:23:02:30Maneuver to 82.00000 -22.00000 115.418 [2025:225:23:33:56] 1d 09:47 7:02 PM Wed 13-Aug
2025:225:23:06:04Grating: NONE 1d 09:51 7:06 PM Wed 13-Aug
2025:225:23:38:26ER Obsid: 42198 (0 ksec) Purpose: Intermediate Attitud 1d 10:23 7:38 PM Wed 13-Aug
2025:225:23:54:07Maneuver to 209.15121 -19.50663 247.369 [2025:226:00:32:38] 1d 10:39 7:54 PM Wed 13-Aug
2025:226:00:37:08Obsid: 31033 SI: HRC-I (12 ksec) Target: HE 1353-1917 1d 11:22 8:37 PM Wed 13-Aug
2025:226:02:30:00Comm pass on DSS-54 (duration 1:00) 1d 13:1410:30 PM Wed 13-Aug
2025:226:04:05:28Maneuver to 44.93649 -16.62052 85.002 [2025:226:04:48:03] 1d 14:5012:05 AM Thu 14-Aug
2025:226:04:52:33Obsid: 28584 SI: ACIS-S (30 ksec) Target: WISE J025942.86 1d 15:3712:52 AM Thu 14-Aug
2025:226:10:45:00Comm pass on DSS-36 (duration 1:00) 1d 21:29 6:45 AM Thu 14-Aug
2025:226:13:12:33Maneuver to 346.30560 -22.83209 74.003 [2025:226:13:36:01] 1d 23:57 9:12 AM Thu 14-Aug
2025:226:13:40:31Obsid: 28855 SI: ACIS-I (16 ksec) Target: SPT-CL J2305-22 2d 00:25 9:40 AM Thu 14-Aug
2025:226:18:07:56Maneuver to 82.26900 -21.11260 114.667 [2025:226:18:38:18] 2d 04:52 2:07 PM Thu 14-Aug
2025:226:18:42:48ER Obsid: 42197 (0 ksec) Purpose: Perigee Attitude 2d 05:27 2:42 PM Thu 14-Aug
2025:226:18:58:29Maneuver to 209.15139 -19.50963 247.254 [2025:226:19:37:12] 2d 05:43 2:58 PM Thu 14-Aug
2025:226:19:41:42Obsid: 30443 SI: HRC-I (10 ksec) Target: HE 1353-1917 2d 06:26 3:41 PM Thu 14-Aug
2025:226:20:05:00Comm pass on DSS-56 (duration 1:00) 2d 06:49 4:05 PM Thu 14-Aug
2025:226:22:31:42Maneuver to 36.47936 -41.91546 88.913 [2025:226:23:09:00] 2d 09:16 6:31 PM Thu 14-Aug
2025:226:23:13:30Obsid: 28685 SI: ACIS-S (31 ksec) Target: Abell 3017 2d 09:58 7:13 PM Thu 14-Aug
2025:227:02:30:00Comm pass on DSS-54 (duration 1:00) 2d 13:1410:30 PM Thu 14-Aug
2025:227:06:28:35Load AUG1125A:CL227:0601 [2025:228:18:20:26] 2d 17:13 2:28 AM Fri 15-Aug
2025:227:06:28:35Load AUG1125A:CL227:0601 [2025:228:18:20:26] 2d 17:13 2:28 AM Fri 15-Aug
2025:227:07:50:51Maneuver to 327.48200 -19.15280 27.409 [2025:227:08:16:23] 2d 18:35 3:50 AM Fri 15-Aug
2025:227:07:54:25Grating: HETG 2d 18:39 3:54 AM Fri 15-Aug
2025:227:07:56:28RADMON Disable 2d 18:41 3:56 AM Fri 15-Aug
2025:227:08:20:53ER Obsid: 42196 (3 ksec) Purpose: Perigee Attitude 2d 19:05 4:20 AM Fri 15-Aug
2025:227:09:51:53Maneuver to 86.86790 -35.57959 121.097 [2025:227:10:25:30] 2d 20:36 5:51 AM Fri 15-Aug
2025:227:10:30:00ER Obsid: 42195 (3 ksec) Purpose: Perigee Attitude 2d 21:14 6:30 AM Fri 15-Aug
2025:227:10:45:00Comm pass on DSS-36 (duration 3:00) 2d 21:29 6:45 AM Fri 15-Aug
2025:227:12:12:33Eclipse [2025:227:13:18:50] 2d 22:57 8:12 AM Fri 15-Aug

CXO and GOES rates
CXOGOESLimit
HRC shield016250
HRC MCP535430
P4GM---0.03300
P41GM---0.018.47
CXO: from snapshot at 2025:224:11:11:24 (- 2:03)
GOES proxies: scaled 15 min average of GOES-16
Last avgs at HRC: - 0:20   P4GM: - 0:22   P41GM: - 0:20
ACE rates
Value2hr limitOrbital limitHours to
Orbital limit
Current flux11.95000012000> 30
2hr avg flux11.25000012000> 30
Orbital fluence6.3x106---2.0x109---
ACE data from 2025:224:12:55:00 (- 0:20)
Orbital fluence: integrated attenuated ACE flux
Grating attenuation not factored into current or 2hr flux numbers
RADMON and SOT alert limits information

ACE particle rates ( MTA SWPC )

GOES particle rates

GOES proxy for HRC shield rates

3-day Solar-Geophysical Forecast
Geophysical ActivityGeophysical Activity Summary 10/2100Z to 11/2100Z: The geomagnetic field has been at quiet to active levels for the past 24 hours. Solar wind speed reached a peak of 594 km/s at 10/2240Z. Total IMF reached 7 nT at 10/2101Z. The maximum southward component of Bz reached -6 nT at 11/1251Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 6325 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to active levels on days one and two (12 Aug, 13 Aug) and quiet to unsettled levels on day three (14 Aug). Protons have a slight chance of crossing threshold on days one, two, and three (12 Aug, 13 Aug, 14 Aug).
Solar ActivityAnalysis of Solar Active Regions and Activity from 10/2100Z to 11/2100Z: Solar activity has been at moderate levels for the past 24 hours. There are currently 11 numbered sunspot regions on the disk. IB. Solar Activity Forecast: Solar activity is likely to be moderate with a slight chance for an X-class flare on days one, two, and three (12 Aug, 13 Aug, 14 Aug).

Solar X-ray Activity

Solar Wind Data ( SOHO ACE )

Solar Flare Monitor