Page content updated: 2026:104:02:37:01 ( 10:37 PM Mon 13-Apr )

Key Snapshot and SOH Values (from current comm)
Obsid31144
Format2_NORM
RadMonENAB
CPE StatusNORM
RA135.847
Dec-67.949
Roll289.031
Pitch107.16
Sim Z75623
Sim Focus-467
HETG angle77.59
LETG angle76.09
SCS 107INAC
SCS 128ACT
SCS 129ACT
SCS 130ACT
RadMonENAB
SCS 131ACT
SCS 132ACT
SCS 133ACT
Snapshot from 2026:104:02:35:27 (from current comm)

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)
2026:103:16:54:11Maneuver to 206.11323 -22.98513 17.634 [2026:103:17:29:57]- 9:4212:54 PM Mon 13-Apr
2026:103:17:34:27Obsid: 32301 SI: ACIS-S (12 ksec) Target: LEDA 184063 - 9:02 1:34 PM Mon 13-Apr
2026:103:20:05:00Comm pass on DSS-56 (duration 1:00)- 6:32 4:05 PM Mon 13-Apr
2026:103:20:58:37Maneuver to 332.59110 -56.08877 129.793 [2026:103:21:29:25]- 5:38 4:58 PM Mon 13-Apr
2026:103:21:33:55Obsid: 31448 SI: ACIS-S (5 ksec) Target: PGC3321235 - 5:03 5:33 PM Mon 13-Apr
2026:103:22:57:15Maneuver to 135.85041 -67.94848 289.034 [2026:103:23:20:34]- 3:39 6:57 PM Mon 13-Apr
2026:103:23:25:04Obsid: 31144 SI: ACIS-S (15 ksec) Target: SN2026hkg - 3:11 7:25 PM Mon 13-Apr
2026:104:02:00:00Comm pass on DSS-65 (duration 1:00)- 0:3710:00 PM Mon 13-Apr
2026:104:02:37:01--------------- NOW --------------- 0:0010:37 PM Mon 13-Apr
2026:104:03:35:04Maneuver to 166.14981 38.24899 223.066 [2026:104:04:14:11] 0:5811:35 PM Mon 13-Apr
2026:104:03:38:38Grating: LETG 1:0111:38 PM Mon 13-Apr
2026:104:04:18:41Obsid: 31737 SI: ACIS-S (27 ksec) Target: MKN421 1:4112:18 AM Tue 14-Apr
2026:104:10:40:00Comm pass on DSS-26 (duration 1:00) 8:02 6:40 AM Tue 14-Apr
2026:104:12:02:01Maneuver to 189.38396 8.88880 215.822 [2026:104:12:20:58] 9:25 8:02 AM Tue 14-Apr
2026:104:12:05:35Grating: NONE 9:28 8:05 AM Tue 14-Apr
2026:104:12:28:20Obsid: 29877 SI: ACIS-S (11 ksec) Target: SDSS J123733.69 9:51 8:28 AM Tue 14-Apr
2026:104:12:29:22Load APR1326A:CL104:1202 [2026:106:00:04:22] 9:52 8:29 AM Tue 14-Apr
2026:104:12:29:22Load APR1326A:CL104:1202 [2026:106:00:04:22] 9:52 8:29 AM Tue 14-Apr
2026:104:15:40:00Maneuver to 4.79004 59.12256 19.033 [2026:104:16:16:15] 13:0211:40 AM Tue 14-Apr
2026:104:15:43:35Grating: HETG 13:0611:43 AM Tue 14-Apr
2026:104:16:20:45Obsid: 29741 SI: ACIS-S (11 ksec) Target: TV Cassiopeia 13:4312:20 PM Tue 14-Apr
2026:104:17:30:00Comm pass on DSS-34 (duration 0:45) 14:52 1:30 PM Tue 14-Apr
2026:104:19:24:05Maneuver to 187.72067 12.41262 214.984 [2026:104:19:59:28] 16:47 3:24 PM Tue 14-Apr
2026:104:19:27:39Grating: NONE 16:50 3:27 PM Tue 14-Apr
2026:104:20:03:58Obsid: 31259 SI: ACIS-S (5 ksec) Target: M 87 17:26 4:03 PM Tue 14-Apr
2026:104:21:27:18Maneuver to 135.63912 -9.14004 263.593 [2026:104:21:54:17] 18:50 5:27 PM Tue 14-Apr
2026:104:21:54:17ER Obsid: 41554 (0 ksec) Purpose: Intermediate Attitud 19:17 5:54 PM Tue 14-Apr
2026:104:21:54:38Maneuver to 66.68638 -42.07108 221.011 [2026:104:22:20:54] 19:17 5:54 PM Tue 14-Apr
2026:104:22:25:24Obsid: 32295 SI: ACIS-S (10 ksec) Target: AM0425-421 19:48 6:25 PM Tue 14-Apr
2026:105:01:12:04Maneuver to 206.11374 -22.98192 13.153 [2026:105:01:47:34] 22:35 9:12 PM Tue 14-Apr
2026:105:01:52:04Obsid: 32302 SI: ACIS-S (12 ksec) Target: LEDA 184063 23:15 9:52 PM Tue 14-Apr
2026:105:03:00:00Comm pass on DSS-65 (duration 1:00) 1d 00:2211:00 PM Tue 14-Apr
2026:105:05:16:14Maneuver to 150.20845 2.36308 245.000 [2026:105:05:55:17] 1d 02:39 1:16 AM Wed 15-Apr
2026:105:05:59:47Obsid: 30240 SI: ACIS-I (25 ksec) Target: Center of COSMO 1d 03:22 1:59 AM Wed 15-Apr
2026:105:09:35:00Comm pass on DSS-24 (duration 0:40) 1d 06:57 5:35 AM Wed 15-Apr
2026:105:12:59:54Maneuver to 191.74685 -22.03347 315.835 [2026:105:13:28:07] 1d 10:22 8:59 AM Wed 15-Apr
2026:105:13:03:28Grating: HETG 1d 10:26 9:03 AM Wed 15-Apr
2026:105:13:05:55RADMON Disable 1d 10:28 9:05 AM Wed 15-Apr
2026:105:13:32:37ER Obsid: 41553 (3 ksec) Purpose: Perigee Attitude 1d 10:55 9:32 AM Wed 15-Apr
2026:105:14:22:37Maneuver to 85.49055 -34.56782 245.207 [2026:105:14:53:40] 1d 11:4510:22 AM Wed 15-Apr
2026:105:14:58:10ER Obsid: 41552 (2 ksec) Purpose: Perigee Attitude 1d 12:2110:58 AM Wed 15-Apr
2026:105:15:31:30Maneuver to 191.74685 -22.03347 315.494 [2026:105:16:02:32] 1d 12:5411:31 AM Wed 15-Apr
2026:105:16:07:02ER Obsid: 41551 (3 ksec) Purpose: Perigee Attitude 1d 13:3012:07 PM Wed 15-Apr
2026:105:19:25:06Maneuver to 77.30000 -51.10000 234.706 [2026:105:19:55:30] 1d 16:48 3:25 PM Wed 15-Apr
2026:105:20:00:00ER Obsid: 41550 (3 ksec) Purpose: Perigee Attitude 1d 17:22 4:00 PM Wed 15-Apr
2026:105:22:38:48Maneuver to 43.12181 -38.42531 204.667 [2026:105:22:55:30] 1d 20:01 6:38 PM Wed 15-Apr
2026:105:23:00:00ER Obsid: 41549 (3 ksec) Purpose: Perigee Attitude 1d 20:22 7:00 PM Wed 15-Apr
2026:106:00:18:38Load APR1326A:CL106:0002 [2026:107:12:01:26] 1d 21:41 8:18 PM Wed 15-Apr
2026:106:00:18:38Load APR1326A:CL106:0002 [2026:107:12:01:26] 1d 21:41 8:18 PM Wed 15-Apr
2026:106:00:21:38Maneuver to 206.11194 -22.98128 9.929 [2026:106:00:58:43] 1d 21:44 8:21 PM Wed 15-Apr
2026:106:00:22:12Grating: NONE 1d 21:45 8:22 PM Wed 15-Apr
2026:106:00:49:39RADMON Enable 1d 22:12 8:49 PM Wed 15-Apr
2026:106:01:03:13Obsid: 32303 SI: ACIS-S (12 ksec) Target: LEDA 184063 1d 22:26 9:03 PM Wed 15-Apr
2026:106:01:40:00Comm pass on DSS-24 (duration 1:00) 1d 23:02 9:40 PM Wed 15-Apr
2026:106:04:27:23Maneuver to 263.74353 -0.40695 101.262 [2026:106:04:59:41] 2d 01:5012:27 AM Thu 16-Apr
2026:106:04:59:41ER Obsid: 41548 (0 ksec) Purpose: Intermediate Attitud 2d 02:2212:59 AM Thu 16-Apr
2026:106:05:00:02Maneuver to 290.32300 43.96478 88.990 [2026:106:05:22:12] 2d 02:23 1:00 AM Thu 16-Apr
2026:106:05:26:42Obsid: 31420 SI: ACIS-S (20 ksec) Target: Abell 2319 2d 02:49 1:26 AM Thu 16-Apr
2026:106:11:00:02Maneuver to 263.74354 -0.40695 101.387 [2026:106:11:22:13] 2d 08:23 7:00 AM Thu 16-Apr
2026:106:11:15:00Comm pass on DSS-26 (duration 1:00) 2d 08:37 7:15 AM Thu 16-Apr
2026:106:11:22:13ER Obsid: 41547 (0 ksec) Purpose: Perigee Attitude 2d 08:45 7:22 AM Thu 16-Apr
2026:106:11:22:34Maneuver to 206.11157 -22.98047 8.115 [2026:106:11:55:11] 2d 08:45 7:22 AM Thu 16-Apr
2026:106:11:59:41Obsid: 32304 SI: ACIS-S (11 ksec) Target: LEDA 184063 2d 09:22 7:59 AM Thu 16-Apr
2026:106:15:07:11Maneuver to 350.39473 -33.45679 137.275 [2026:106:15:43:44] 2d 12:3011:07 AM Thu 16-Apr
2026:106:15:48:14ER Obsid: 41546 (0 ksec) Purpose: Intermediate Attitud 2d 13:1111:48 AM Thu 16-Apr
2026:106:16:03:55Maneuver to 4.78777 59.12041 20.535 [2026:106:16:44:54] 2d 13:2612:03 PM Thu 16-Apr
2026:106:16:04:29Grating: HETG 2d 13:2712:04 PM Thu 16-Apr
2026:106:16:49:24Obsid: 32293 SI: ACIS-S (11 ksec) Target: TV Cassiopeia 2d 14:1212:49 PM Thu 16-Apr
2026:106:20:01:04Maneuver to 243.91690 19.43629 123.963 [2026:106:20:31:36] 2d 17:24 4:01 PM Thu 16-Apr
2026:106:20:04:38Grating: NONE 2d 17:27 4:04 PM Thu 16-Apr
2026:106:20:25:00Comm pass on DSS-54 (duration 1:00) 2d 17:47 4:25 PM Thu 16-Apr
2026:106:20:36:06Obsid: 31223 SI: ACIS-S (25 ksec) Target: NGC 6099 2d 17:59 4:36 PM Thu 16-Apr

CXO and GOES rates
CXOGOESLimit
HRC shield016250
HRC MCP484430
P4GM---0.02300
P41GM---0.008.47
CXO: from snapshot at 2026:104:02:35:27 (- 0:01)
GOES proxies: scaled 15 min average of GOES-16
Last avgs at HRC: - 0:17   P4GM: - 0:17   P41GM: - 0:17
ACE rates
Value2hr limitOrbital limitHours to
Orbital limit
Current flux6.085000012000> 30
2hr avg flux84.65000012000> 30
Orbital fluence2.0x106---2.0x109---
ACE data from 2026:104:02:10:00 (- 0:27)
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 12/2100Z to 13/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 518 km/s at 12/2145Z. Total IMF reached 6 nT at 13/1528Z. The maximum southward component of Bz reached -4 nT at 13/1444Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 1650 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to unsettled levels on days one and three (14 Apr, 16 Apr) and quiet to active levels on day two (15 Apr).
Solar ActivityAnalysis of Solar Active Regions and Activity from 12/2100Z to 13/2100Z: Solar activity has been at low levels for the past 24 hours. There are currently 4 numbered sunspot regions on the disk. IB. Solar Activity Forecast: Solar activity is likely to be low with a slight chance for an M-class flare on days one, two, and three (14 Apr, 15 Apr, 16 Apr).

Solar X-ray Activity

Solar Wind Data ( SOHO ACE )

Solar Flare Monitor