Page content updated: 2026:157:11:29:00 ( 7:29 AM Sat 06-Jun )

Key Snapshot and SOH Values (Δt = -10:38)
Obsid31168
Format2_NORM
RadMonENAB
CPE StatusNORM
RA169.597
Dec-32.816
Roll245.003
Pitch107.14
Sim Z75623
Sim Focus-467
HETG angle77.59
LETG angle76.09
SCS 107INAC
SCS 128INAC
SCS 129ACT
SCS 130ACT
RadMonENAB
SCS 131INAC
SCS 132ACT
SCS 133ACT
Snapshot from 2026:157:00:50:05 (Δt = -10:38)

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)
2026:156:23:55:00Comm pass on DSS-65 (duration 1:00)-11:34 7:55 PM Fri 05-Jun
2026:157:01:41:23Maneuver to 189.92076 -5.32056 234.001 [2026:157:02:00:44]- 9:47 9:41 PM Fri 05-Jun
2026:157:01:44:58Grating: HETG- 9:44 9:44 PM Fri 05-Jun
2026:157:02:05:14Obsid: 32243 SI: ACIS-S (10 ksec) Target: NGC 4593 - 9:2310:05 PM Fri 05-Jun
2026:157:04:51:54Maneuver to 153.81936 -57.31526 239.925 [2026:157:05:17:16]- 6:3712:51 AM Sat 06-Jun
2026:157:04:55:29Grating: NONE- 6:3312:55 AM Sat 06-Jun
2026:157:05:23:28Obsid: 32372 SI: ACIS-I (10 ksec) Target: PSR J1015-5719 - 6:05 1:23 AM Sat 06-Jun
2026:157:08:10:08Maneuver to 206.13249 -22.94491 260.695 [2026:157:08:32:56]- 3:18 4:10 AM Sat 06-Jun
2026:157:08:37:26Obsid: 32334 SI: ACIS-S (15 ksec) Target: LEDA 184063 - 2:51 4:37 AM Sat 06-Jun
2026:157:11:29:00--------------- NOW --------------- 0:00 7:29 AM Sat 06-Jun
2026:157:11:45:00Comm pass on DSS-24 (duration 0:50) 0:16 7:45 AM Sat 06-Jun
2026:157:12:50:46Maneuver to 149.82365 2.07391 235.300 [2026:157:13:15:29] 1:21 8:50 AM Sat 06-Jun
2026:157:13:19:59Obsid: 30268 SI: ACIS-I (15 ksec) Target: Center of COSMO 1:50 9:19 AM Sat 06-Jun
2026:157:17:29:59Maneuver to 238.80375 -33.30870 303.772 [2026:157:18:02:21] 6:00 1:29 PM Sat 06-Jun
2026:157:18:06:51Obsid: 32370 SI: ACIS-S (10 ksec) Target: PKS1552m331_fie 6:37 2:06 PM Sat 06-Jun
2026:157:20:05:00Comm pass on DSS-65 (duration 1:00) 8:36 4:05 PM Sat 06-Jun
2026:157:20:53:31Maneuver to 135.15317 20.91750 250.000 [2026:157:21:30:19] 9:24 4:53 PM Sat 06-Jun
2026:157:21:34:49Obsid: 31884 SI: ACIS-S (15 ksec) Target: ZwCl 0857.9+210 10:05 5:34 PM Sat 06-Jun
2026:157:23:45:00Comm pass on DSS-56 (duration 1:00) 12:16 7:45 PM Sat 06-Jun
2026:157:23:45:00Load JUN0126A:CL157:2301 [2026:159:03:18:11] 12:16 7:45 PM Sat 06-Jun
2026:157:23:45:00Load JUN0126A:CL157:2301 [2026:159:03:18:11] 12:16 7:45 PM Sat 06-Jun
2026:158:01:44:49Maneuver to 238.67014 -37.62487 303.985 [2026:158:02:21:31] 14:15 9:44 PM Sat 06-Jun
2026:158:02:26:01Obsid: 32369 SI: ACIS-S (10 ksec) Target: IGR J15549-3740 14:5710:26 PM Sat 06-Jun
2026:158:05:16:01Maneuver to 135.15195 20.91946 252.201 [2026:158:05:52:37] 17:47 1:16 AM Sun 07-Jun
2026:158:05:57:07Obsid: 32374 SI: ACIS-S (14 ksec) Target: ZwCl 0857.9+210 18:28 1:57 AM Sun 07-Jun
2026:158:10:03:47Maneuver to 187.51081 -13.36900 266.398 [2026:158:10:29:02] 22:34 6:03 AM Sun 07-Jun
2026:158:10:33:32Obsid: 32371 SI: ACIS-S (5 ksec) Target: 2MASS J12300479 23:04 6:33 AM Sun 07-Jun
2026:158:11:45:00Comm pass on DSS-24 (duration 1:00) 1d 00:16 7:45 AM Sun 07-Jun
2026:158:12:04:00Maneuver to 299.76811 17.17221 131.080 [2026:158:12:49:06] 1d 00:35 8:04 AM Sun 07-Jun
2026:158:12:07:35Grating: HETG 1d 00:38 8:07 AM Sun 07-Jun
2026:158:12:09:38RADMON Disable 1d 00:40 8:09 AM Sun 07-Jun
2026:158:12:53:36ER Obsid: 41438 (0 ksec) Purpose: Perigee Attitude 1d 01:24 8:53 AM Sun 07-Jun
2026:158:13:09:17Maneuver to 256.50000 -20.40000 154.834 [2026:158:13:33:58] 1d 01:40 9:09 AM Sun 07-Jun
2026:158:13:38:28ER Obsid: 41437 (3 ksec) Purpose: Perigee Attitude 1d 02:09 9:38 AM Sun 07-Jun
2026:158:17:45:49Maneuver to 299.76811 17.17221 131.262 [2026:158:18:10:30] 1d 06:16 1:45 PM Sun 07-Jun
2026:158:18:15:00ER Obsid: 41436 (3 ksec) Purpose: Perigee Attitude 1d 06:46 2:15 PM Sun 07-Jun
2026:158:19:05:00Maneuver to 299.76811 17.17221 131.287 [2026:158:19:09:00] 1d 07:36 3:05 PM Sun 07-Jun
2026:158:19:09:00ER Obsid: 41435 (3 ksec) Purpose: Perigee Attitude 1d 07:40 3:09 PM Sun 07-Jun
2026:158:19:59:00Maneuver to 299.76811 17.17221 131.310 [2026:158:20:03:00] 1d 08:30 3:59 PM Sun 07-Jun
2026:158:20:07:30ER Obsid: 41434 (0 ksec) Purpose: Perigee Attitude 1d 08:38 4:07 PM Sun 07-Jun
2026:158:20:15:00Comm pass on DSS-54 (duration 1:00) 1d 08:46 4:15 PM Sun 07-Jun
2026:158:20:23:11Maneuver to 26.76624 57.68802 66.200 [2026:158:20:50:37] 1d 08:54 4:23 PM Sun 07-Jun
2026:158:20:55:07ER Obsid: 41433 (0 ksec) Purpose: Perigee Attitude 1d 09:26 4:55 PM Sun 07-Jun
2026:158:21:10:48Maneuver to 126.95952 13.25174 251.229 [2026:158:21:49:19] 1d 09:41 5:10 PM Sun 07-Jun
2026:158:21:53:49ER Obsid: 41432 (0 ksec) Purpose: Perigee Attitude 1d 10:24 5:53 PM Sun 07-Jun
2026:158:22:09:30Maneuver to 246.40752 -22.89587 269.040 [2026:158:22:47:37] 1d 10:40 6:09 PM Sun 07-Jun
2026:158:22:52:07ER Obsid: 41431 (0 ksec) Purpose: Perigee Attitude 1d 11:23 6:52 PM Sun 07-Jun
2026:158:23:54:29Maneuver to 149.82023 2.07952 246.933 [2026:159:00:27:01] 1d 12:25 7:54 PM Sun 07-Jun
2026:158:23:55:04Grating: NONE 1d 12:26 7:55 PM Sun 07-Jun
2026:159:00:09:13RADMON Enable 1d 12:40 8:09 PM Sun 07-Jun
2026:159:00:31:31Obsid: 32373 SI: ACIS-I (10 ksec) Target: Center of COSMO 1d 13:02 8:31 PM Sun 07-Jun
2026:159:03:00:00Comm pass on DSS-24 (duration 1:00) 1d 15:3111:00 PM Sun 07-Jun
2026:159:03:15:11Load JUN0826B:CL159:0305 [2026:160:14:10:01] 1d 15:4611:15 PM Sun 07-Jun
2026:159:03:15:11Load JUN0826B:CL159:0305 [2026:160:14:10:01] 1d 15:4611:15 PM Sun 07-Jun
2026:159:03:18:11Maneuver to 206.13121 -22.93946 259.985 [2026:159:03:42:35] 1d 15:4911:18 PM Sun 07-Jun
2026:159:03:47:05Obsid: 31312 SI: ACIS-S (14 ksec) Target: LEDA 184063 1d 16:1811:47 PM Sun 07-Jun
2026:159:07:40:25Maneuver to 246.05305 -33.17493 317.111 [2026:159:08:02:57] 1d 20:11 3:40 AM Mon 08-Jun
2026:159:08:07:27Obsid: 32379 SI: ACIS-S (10 ksec) Target: 2MASX J16242022 1d 20:38 4:07 AM Mon 08-Jun
2026:159:10:00:00Comm pass on DSS-26 (duration 1:00) 1d 22:31 6:00 AM Mon 08-Jun
2026:159:10:54:07Maneuver to 150.24437 2.06845 240.000 [2026:159:11:27:58] 1d 23:25 6:54 AM Mon 08-Jun
2026:159:11:32:28Obsid: 30254 SI: ACIS-I (21 ksec) Target: Center of COSMO 2d 00:03 7:32 AM Mon 08-Jun
2026:159:17:22:28Maneuver to 243.55318 -14.33103 238.001 [2026:159:17:54:30] 2d 05:53 1:22 PM Mon 08-Jun
2026:159:17:59:00Obsid: 32380 SI: ACIS-S (10 ksec) Target: 2RXS J161409.7- 2d 06:30 1:59 PM Mon 08-Jun
2026:159:20:45:40Maneuver to 149.95978 2.45568 240.000 [2026:159:21:17:46] 2d 09:16 4:45 PM Mon 08-Jun
2026:159:21:22:16Obsid: 30244 SI: ACIS-I (12 ksec) Target: Center of COSMO 2d 09:53 5:22 PM Mon 08-Jun
2026:159:22:15:00Comm pass on DSS-54 (duration 1:30) 2d 10:46 6:15 PM Mon 08-Jun
2026:160:00:42:16Maneuver to 199.09431 29.12067 233.412 [2026:160:01:05:20] 2d 13:13 8:42 PM Mon 08-Jun
2026:160:00:45:51Grating: LETG 2d 13:16 8:45 PM Mon 08-Jun
2026:160:01:26:40Obsid: 31370 SI: HRC-I (2 ksec) Target: HZ43 2d 13:57 9:26 PM Mon 08-Jun
2026:160:02:00:00Maneuver to 199.09427 29.12056 233.435 [2026:160:02:04:00] 2d 14:3110:00 PM Mon 08-Jun
2026:160:02:08:30Obsid: 32356 SI: HRC-I (2 ksec) Target: HZ43 2d 14:3910:08 PM Mon 08-Jun
2026:160:02:41:50Maneuver to 189.91304 -5.31680 251.400 [2026:160:03:01:27] 2d 15:1210:41 PM Mon 08-Jun
2026:160:02:42:39Grating: NONE 2d 15:1310:42 PM Mon 08-Jun
2026:160:02:46:59Grating: HETG 2d 15:1710:46 PM Mon 08-Jun
2026:160:03:05:57Obsid: 29989 SI: ACIS-S (11 ksec) Target: NGC 4593 2d 15:3611:05 PM Mon 08-Jun
2026:160:06:09:17Maneuver to 243.55255 -14.33219 239.001 [2026:160:06:33:06] 2d 18:40 2:09 AM Tue 09-Jun
2026:160:06:12:51Grating: NONE 2d 18:43 2:12 AM Tue 09-Jun
2026:160:06:37:36Obsid: 32390 SI: ACIS-S (10 ksec) Target: 2RXS J161409.7- 2d 19:08 2:37 AM Tue 09-Jun
2026:160:09:24:16Maneuver to 149.95723 2.45390 246.830 [2026:160:09:56:33] 2d 21:55 5:24 AM Tue 09-Jun
2026:160:10:01:03Obsid: 32382 SI: ACIS-I (13 ksec) Target: Center of COSMO 2d 22:32 6:01 AM Tue 09-Jun

CXO and GOES rates
CXOGOESLimit
HRC shield017250
HRC MCP637430
P4GM---0.05300
P41GM---0.018.47
CXO: from snapshot at 2026:157:00:50:05 (-10:38)
GOES proxies: scaled 15 min average of GOES-16
Last avgs at HRC: - 0:19   P4GM: - 0:19   P41GM: - 0:19
ACE rates
Value2hr limitOrbital limitHours to
Orbital limit
Current flux67.75000012000> 30
2hr avg flux91.35000012000> 30
Orbital fluence1.0x108---2.0x109---
ACE data from 2026:157:11:15:00 (- 0:14)
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 04/2100Z to 05/2100Z: The geomagnetic field has been at quiet to major storm levels for the past 24 hours. Solar wind speed reached a peak of 758 km/s at 05/2012Z. Total IMF reached 20 nT at 05/1222Z. The maximum southward component of Bz reached -17 nT at 05/1233Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 535 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to major storm levels on day one (06 Jun) and quiet to unsettled levels on days two and three (07 Jun, 08 Jun).
Solar ActivityAnalysis of Solar Active Regions and Activity from 04/2100Z to 05/2100Z: Solar activity has been at low levels for the past 24 hours. There are currently 8 numbered sunspot regions on the disk. IB. Solar Activity Forecast: Solar activity is expected to be low with a chance for M-class flares and a slight chance for an X-class flare on days one, two, and three (06 Jun, 07 Jun, 08 Jun).

Solar X-ray Activity

Solar Wind Data ( SOHO ACE )

Solar Flare Monitor