Page content updated: 2026:155:22:51:52 ( 6:51 PM Thu 04-Jun )

Key Snapshot and SOH Values (Δt = - 9:25)
Obsid32376
Format2_NORM
RadMonENAB
CPE StatusNORM
RA267.179
Dec-27.193
Roll62.996
Pitch165.54
Sim Z75624
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 2026:155:13:26:17 (Δt = - 9:25)

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)
2026:155:12:30:00Comm pass on DSS-36 (duration 1:00)-10:21 8:30 AM Thu 04-Jun
2026:155:13:56:47Maneuver to 153.81962 -57.31365 239.925 [2026:155:14:33:01]- 8:55 9:56 AM Thu 04-Jun
2026:155:14:37:31Obsid: 30119 SI: ACIS-I (21 ksec) Target: PSR J1015-5719 - 8:1410:37 AM Thu 04-Jun
2026:155:20:42:05Maneuver to 248.24393 -25.25018 304.539 [2026:155:21:09:01]- 2:09 4:42 PM Thu 04-Jun
2026:155:20:45:39Grating: HETG- 2:06 4:45 PM Thu 04-Jun
2026:155:20:48:05RADMON Disable- 2:03 4:48 PM Thu 04-Jun
2026:155:21:13:31ER Obsid: 41442 (3 ksec) Purpose: Perigee Attitude - 1:38 5:13 PM Thu 04-Jun
2026:155:22:03:31Maneuver to 247.70174 -20.98458 251.089 [2026:155:22:26:23]- 0:48 6:03 PM Thu 04-Jun
2026:155:22:30:53ER Obsid: 41441 (3 ksec) Purpose: Perigee Attitude - 0:20 6:30 PM Thu 04-Jun
2026:155:22:51:52--------------- NOW --------------- 0:00 6:51 PM Thu 04-Jun
2026:155:23:05:00Comm pass on DSS-54 (duration 1:00) 0:13 7:05 PM Thu 04-Jun
2026:156:02:24:07Maneuver to 162.47679 16.79917 248.447 [2026:156:02:55:30] 3:3210:24 PM Thu 04-Jun
2026:156:03:00:00ER Obsid: 41440 (3 ksec) Purpose: Perigee Attitude 4:0811:00 PM Thu 04-Jun
2026:156:03:50:00Maneuver to 123.16322 14.50080 252.603 [2026:156:04:09:30] 4:5811:50 PM Thu 04-Jun
2026:156:04:14:00ER Obsid: 41439 (3 ksec) Purpose: Perigee Attitude 5:2212:14 AM Fri 05-Jun
2026:156:08:49:53Maneuver to 206.13059 -22.93933 261.038 [2026:156:09:20:44] 9:58 4:49 AM Fri 05-Jun
2026:156:08:50:28Grating: NONE 9:58 4:50 AM Fri 05-Jun
2026:156:09:11:40RADMON Enable 10:19 5:11 AM Fri 05-Jun
2026:156:09:25:14Obsid: 32333 SI: ACIS-S (14 ksec) Target: LEDA 184063 10:33 5:25 AM Fri 05-Jun
2026:156:11:21:18Load JUN0126A:CL156:1101 [2026:157:23:09:24] 12:29 7:21 AM Fri 05-Jun
2026:156:11:21:18Load JUN0126A:CL156:1101 [2026:157:23:09:24] 12:29 7:21 AM Fri 05-Jun
2026:156:12:30:00Comm pass on DSS-23 (duration 1:00) 13:38 8:30 AM Fri 05-Jun
2026:156:13:18:34Maneuver to 169.59410 -32.81066 245.001 [2026:156:13:36:53] 14:26 9:18 AM Fri 05-Jun
2026:156:13:41:23Obsid: 31168 SI: ACIS-S (43 ksec) Target: SN 2024ggi 14:49 9:41 AM Fri 05-Jun
2026:156:16:50:00Comm pass on DSS-65 (duration 1:00) 17:5812:50 PM Fri 05-Jun
2026:156:23:55:00Comm pass on DSS-65 (duration 1:00) 1d 01:03 7:55 PM Fri 05-Jun
2026:157:01:41:23Maneuver to 189.92076 -5.32056 234.001 [2026:157:02:00:44] 1d 02:49 9:41 PM Fri 05-Jun
2026:157:01:44:58Grating: HETG 1d 02:53 9:44 PM Fri 05-Jun
2026:157:02:05:14Obsid: 32243 SI: ACIS-S (10 ksec) Target: NGC 4593 1d 03:1310:05 PM Fri 05-Jun
2026:157:04:51:54Maneuver to 153.81936 -57.31526 239.925 [2026:157:05:17:16] 1d 06:0012:51 AM Sat 06-Jun
2026:157:04:55:29Grating: NONE 1d 06:0312:55 AM Sat 06-Jun
2026:157:05:23:28Obsid: 32372 SI: ACIS-I (10 ksec) Target: PSR J1015-5719 1d 06:31 1:23 AM Sat 06-Jun
2026:157:08:10:08Maneuver to 206.13249 -22.94491 260.695 [2026:157:08:32:56] 1d 09:18 4:10 AM Sat 06-Jun
2026:157:08:37:26Obsid: 32334 SI: ACIS-S (15 ksec) Target: LEDA 184063 1d 09:45 4:37 AM Sat 06-Jun
2026:157:11:45:00Comm pass on DSS-24 (duration 0:50) 1d 12:53 7:45 AM Sat 06-Jun
2026:157:12:50:46Maneuver to 149.82365 2.07391 235.300 [2026:157:13:15:29] 1d 13:58 8:50 AM Sat 06-Jun
2026:157:13:19:59Obsid: 30268 SI: ACIS-I (15 ksec) Target: Center of COSMO 1d 14:28 9:19 AM Sat 06-Jun
2026:157:17:29:59Maneuver to 238.80375 -33.30870 303.772 [2026:157:18:02:21] 1d 18:38 1:29 PM Sat 06-Jun
2026:157:18:06:51Obsid: 32370 SI: ACIS-S (10 ksec) Target: PKS1552m331_fie 1d 19:14 2:06 PM Sat 06-Jun
2026:157:20:05:00Comm pass on DSS-65 (duration 1:00) 1d 21:13 4:05 PM Sat 06-Jun
2026:157:20:53:31Maneuver to 135.15317 20.91750 250.000 [2026:157:21:30:19] 1d 22:01 4:53 PM Sat 06-Jun
2026:157:21:34:49Obsid: 31884 SI: ACIS-S (15 ksec) Target: ZwCl 0857.9+210 1d 22:42 5:34 PM Sat 06-Jun
2026:157:23:45:00Comm pass on DSS-56 (duration 1:00) 2d 00:53 7:45 PM Sat 06-Jun
2026:157:23:45:00Load JUN0126A:CL157:2301 [2026:159:03:18:11] 2d 00:53 7:45 PM Sat 06-Jun
2026:157:23:45:00Load JUN0126A:CL157:2301 [2026:159:03:18:11] 2d 00:53 7:45 PM Sat 06-Jun
2026:158:01:44:49Maneuver to 238.67014 -37.62487 303.985 [2026:158:02:21:31] 2d 02:52 9:44 PM Sat 06-Jun
2026:158:02:26:01Obsid: 32369 SI: ACIS-S (10 ksec) Target: IGR J15549-3740 2d 03:3410:26 PM Sat 06-Jun
2026:158:05:16:01Maneuver to 135.15195 20.91946 252.201 [2026:158:05:52:37] 2d 06:24 1:16 AM Sun 07-Jun
2026:158:05:57:07Obsid: 32374 SI: ACIS-S (14 ksec) Target: ZwCl 0857.9+210 2d 07:05 1:57 AM Sun 07-Jun
2026:158:10:03:47Maneuver to 187.51081 -13.36900 266.398 [2026:158:10:29:02] 2d 11:11 6:03 AM Sun 07-Jun
2026:158:10:33:32Obsid: 32371 SI: ACIS-S (5 ksec) Target: 2MASS J12300479 2d 11:41 6:33 AM Sun 07-Jun
2026:158:11:45:00Comm pass on DSS-24 (duration 1:00) 2d 12:53 7:45 AM Sun 07-Jun
2026:158:12:04:00Maneuver to 299.76811 17.17221 131.080 [2026:158:12:49:06] 2d 13:12 8:04 AM Sun 07-Jun
2026:158:12:07:35Grating: HETG 2d 13:15 8:07 AM Sun 07-Jun
2026:158:12:09:38RADMON Disable 2d 13:17 8:09 AM Sun 07-Jun
2026:158:12:53:36ER Obsid: 41438 (0 ksec) Purpose: Perigee Attitude 2d 14:01 8:53 AM Sun 07-Jun
2026:158:13:09:17Maneuver to 256.50000 -20.40000 154.834 [2026:158:13:33:58] 2d 14:17 9:09 AM Sun 07-Jun
2026:158:13:38:28ER Obsid: 41437 (3 ksec) Purpose: Perigee Attitude 2d 14:46 9:38 AM Sun 07-Jun
2026:158:17:45:49Maneuver to 299.76811 17.17221 131.262 [2026:158:18:10:30] 2d 18:53 1:45 PM Sun 07-Jun
2026:158:18:15:00ER Obsid: 41436 (3 ksec) Purpose: Perigee Attitude 2d 19:23 2:15 PM Sun 07-Jun
2026:158:19:05:00Maneuver to 299.76811 17.17221 131.287 [2026:158:19:09:00] 2d 20:13 3:05 PM Sun 07-Jun
2026:158:19:09:00ER Obsid: 41435 (3 ksec) Purpose: Perigee Attitude 2d 20:17 3:09 PM Sun 07-Jun
2026:158:19:59:00Maneuver to 299.76811 17.17221 131.310 [2026:158:20:03:00] 2d 21:07 3:59 PM Sun 07-Jun
2026:158:20:07:30ER Obsid: 41434 (0 ksec) Purpose: Perigee Attitude 2d 21:15 4:07 PM Sun 07-Jun
2026:158:20:15:00Comm pass on DSS-54 (duration 1:00) 2d 21:23 4:15 PM Sun 07-Jun
2026:158:20:23:11Maneuver to 26.76624 57.68802 66.200 [2026:158:20:50:37] 2d 21:31 4:23 PM Sun 07-Jun
2026:158:20:55:07ER Obsid: 41433 (0 ksec) Purpose: Perigee Attitude 2d 22:03 4:55 PM Sun 07-Jun
2026:158:21:10:48Maneuver to 126.95952 13.25174 251.229 [2026:158:21:49:19] 2d 22:18 5:10 PM Sun 07-Jun
2026:158:21:53:49ER Obsid: 41432 (0 ksec) Purpose: Perigee Attitude 2d 23:01 5:53 PM Sun 07-Jun
2026:158:22:09:30Maneuver to 246.40752 -22.89587 269.040 [2026:158:22:47:37] 2d 23:17 6:09 PM Sun 07-Jun

CXO and GOES rates
CXOGOESLimit
HRC shield016250
HRC MCP637430
P4GM---0.04300
P41GM---0.018.47
CXO: from snapshot at 2026:155:13:26:17 (- 9:25)
GOES proxies: scaled 15 min average of GOES-16
Last avgs at HRC: - 0:16   P4GM: - 0:16   P41GM: - 0:14
ACE rates
Value2hr limitOrbital limitHours to
Orbital limit
Current flux14705000012000> 30
2hr avg flux11605000012000> 30
Orbital fluence3.9x107---2.0x109---
ACE data from 2026:155:22:40:00 (- 0:11)
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 03/2100Z to 04/2100Z: The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 481 km/s at 03/2131Z. Total IMF reached 11 nT at 03/2257Z. The maximum southward component of Bz reached -9 nT at 04/0121Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 552 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at active to severe storm levels on day one (05 Jun), quiet to active levels on day two (06 Jun) and quiet to unsettled levels on day three (07 Jun).
Solar ActivityAnalysis of Solar Active Regions and Activity from 03/2100Z to 04/2100Z: 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 (05 Jun, 06 Jun, 07 Jun).

Solar X-ray Activity

Solar Wind Data ( SOHO ACE )

Solar Flare Monitor