Page content updated: 2026:204:13:36:01 ( 9:36 AM Thu 23-Jul )

Key Snapshot and SOH Values (Δt = - 2:40)
Obsid30338
Format2_NORM
RadMonENAB
CPE StatusNORM
RA36.797
Dec26.912
Roll97.940
Pitch78.33
Sim Z92903
Sim Focus-535
HETG angle77.59
LETG angle75.71
SCS 107INAC
SCS 128ACT
SCS 129ACT
SCS 130ACT
RadMonENAB
SCS 131ACT
SCS 132ACT
SCS 133ACT
Snapshot from 2026:204:10:55:19 (Δt = - 2:40)

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)
2026:204:02:25:00Comm pass on DSS-53 (duration 1:00)-11:1110:25 PM Wed 22-Jul
2026:204:06:16:40Maneuver to 309.48488 -40.15451 19.278 [2026:204:06:45:30]- 7:19 2:16 AM Thu 23-Jul
2026:204:06:50:00Obsid: 30221 SI: ACIS-S (12 ksec) Target: WGD2038-4008 - 6:46 2:50 AM Thu 23-Jul
2026:204:10:00:00Comm pass on DSS-26 (duration 1:00)- 3:36 6:00 AM Thu 23-Jul
2026:204:10:10:00Maneuver to 8.00000 -23.00000 100.858 [2026:204:10:36:30]- 3:26 6:10 AM Thu 23-Jul
2026:204:10:36:30ER Obsid: 41314 (0 ksec) Purpose: Intermediate Attitud - 2:59 6:36 AM Thu 23-Jul
2026:204:10:36:51Maneuver to 49.85995 41.49254 89.989 [2026:204:11:04:35]- 2:59 6:36 AM Thu 23-Jul
2026:204:11:09:05Obsid: 30338 SI: ACIS-I (15 ksec) Target: Perseus cluster - 2:26 7:09 AM Thu 23-Jul
2026:204:13:36:01--------------- NOW --------------- 0:00 9:36 AM Thu 23-Jul
2026:204:15:19:05Maneuver to 8.00000 -23.00000 100.743 [2026:204:15:46:49] 1:4311:19 AM Thu 23-Jul
2026:204:15:45:00Comm pass on DSS-65 (duration 1:00) 2:0811:45 AM Thu 23-Jul
2026:204:15:46:49ER Obsid: 41313 (0 ksec) Purpose: Perigee Attitude 2:1011:46 AM Thu 23-Jul
2026:204:15:47:10Maneuver to 309.48414 -40.15438 18.233 [2026:204:16:13:48] 2:1111:47 AM Thu 23-Jul
2026:204:16:18:18Obsid: 32452 SI: ACIS-S (12 ksec) Target: WGD2038-4008 2:4212:18 PM Thu 23-Jul
2026:204:19:38:18Maneuver to 8.00000 -23.00000 100.648 [2026:204:20:04:55] 6:02 3:38 PM Thu 23-Jul
2026:204:20:04:55ER Obsid: 41312 (0 ksec) Purpose: Perigee Attitude 6:28 4:04 PM Thu 23-Jul
2026:204:20:05:16Maneuver to 49.86025 41.49206 89.989 [2026:204:20:33:00] 6:29 4:05 PM Thu 23-Jul
2026:204:20:37:30Obsid: 30339 SI: ACIS-I (15 ksec) Target: Perseus cluster 7:01 4:37 PM Thu 23-Jul
2026:205:00:47:30Maneuver to 8.00000 -23.00000 100.536 [2026:205:01:15:14] 11:11 8:47 PM Thu 23-Jul
2026:205:01:15:14ER Obsid: 41311 (0 ksec) Purpose: Perigee Attitude 11:39 9:15 PM Thu 23-Jul
2026:205:01:15:35Maneuver to 309.48322 -40.15434 17.177 [2026:205:01:42:20] 11:39 9:15 PM Thu 23-Jul
2026:205:01:46:50Obsid: 30222 SI: ACIS-S (12 ksec) Target: WGD2038-4008 12:10 9:46 PM Thu 23-Jul
2026:205:02:10:00Comm pass on DSS-56 (duration 1:00) 12:3310:10 PM Thu 23-Jul
2026:205:05:06:50Maneuver to 8.00000 -23.00000 100.444 [2026:205:05:33:35] 15:30 1:06 AM Fri 24-Jul
2026:205:05:33:35ER Obsid: 41310 (0 ksec) Purpose: Perigee Attitude 15:57 1:33 AM Fri 24-Jul
2026:205:05:33:56Maneuver to 49.86051 41.49164 89.989 [2026:205:06:01:40] 15:57 1:33 AM Fri 24-Jul
2026:205:06:06:10Obsid: 30346 SI: ACIS-I (15 ksec) Target: Perseus cluster 16:30 2:06 AM Fri 24-Jul
2026:205:10:13:10Load JUL2026A:CL205:1001 [2026:206:21:12:48] 20:37 6:13 AM Fri 24-Jul
2026:205:10:13:10Load JUL2026A:CL205:1001 [2026:206:21:12:48] 20:37 6:13 AM Fri 24-Jul
2026:205:10:16:10Maneuver to 8.00000 -23.00000 100.334 [2026:205:10:43:53] 20:40 6:16 AM Fri 24-Jul
2026:205:10:43:53ER Obsid: 41309 (0 ksec) Purpose: Perigee Attitude 21:07 6:43 AM Fri 24-Jul
2026:205:10:44:14Maneuver to 309.48237 -40.15423 16.112 [2026:205:11:11:08] 21:08 6:44 AM Fri 24-Jul
2026:205:11:15:00Comm pass on DSS-36 (duration 0:45) 21:38 7:15 AM Fri 24-Jul
2026:205:11:15:38Obsid: 32453 SI: ACIS-S (15 ksec) Target: WGD2038-4008 21:39 7:15 AM Fri 24-Jul
2026:205:15:25:38Maneuver to 148.64784 -28.27806 209.533 [2026:205:16:01:11] 1d 01:4911:25 AM Fri 24-Jul
2026:205:16:05:41Obsid: 32449 SI: ACIS-I (10 ksec) Target: NGC 3056 1d 02:2912:05 PM Fri 24-Jul
2026:205:17:40:00Comm pass on DSS-56 (duration 1:00) 1d 04:03 1:40 PM Fri 24-Jul
2026:205:18:52:21Maneuver to 220.59739 -17.22509 252.745 [2026:205:19:18:18] 1d 05:16 2:52 PM Fri 24-Jul
2026:205:19:22:48Obsid: 30207 SI: ACIS-S (28 ksec) Target: NGC5728 1d 05:46 3:22 PM Fri 24-Jul
2026:206:02:30:00Comm pass on DSS-54 (duration 1:00) 1d 12:5310:30 PM Fri 24-Jul
2026:206:03:24:49Maneuver to 302.00000 -21.00000 302.065 [2026:206:03:53:07] 1d 13:4811:24 PM Fri 24-Jul
2026:206:03:28:23Grating: HETG 1d 13:5211:28 PM Fri 24-Jul
2026:206:03:30:26RADMON Disable 1d 13:5411:30 PM Fri 24-Jul
2026:206:03:57:37ER Obsid: 41308 (2 ksec) Purpose: Perigee Attitude 1d 14:2111:57 PM Fri 24-Jul
2026:206:04:52:05Maneuver to 197.90000 -28.70000 244.921 [2026:206:05:23:26] 1d 15:1612:52 AM Sat 25-Jul
2026:206:05:27:56ER Obsid: 41307 (7 ksec) Purpose: Perigee Attitude 1d 15:51 1:27 AM Sat 25-Jul
2026:206:05:40:00Comm pass on DSS-24 (duration 0:45) 1d 16:03 1:40 AM Sat 25-Jul
2026:206:07:44:08Maneuver to 302.00000 -21.00000 300.388 [2026:206:08:15:30] 1d 18:08 3:44 AM Sat 25-Jul
2026:206:08:20:00ER Obsid: 41306 (1 ksec) Purpose: Perigee Attitude 1d 18:43 4:20 AM Sat 25-Jul
2026:206:08:52:33Maneuver to 199.00000 -11.00000 247.372 [2026:206:09:25:30] 1d 19:16 4:52 AM Sat 25-Jul
2026:206:09:30:00ER Obsid: 41305 (3 ksec) Purpose: Perigee Attitude 1d 19:53 5:30 AM Sat 25-Jul
2026:206:10:39:37Maneuver to 32.00000 40.00000 106.778 [2026:206:11:25:30] 1d 21:03 6:39 AM Sat 25-Jul
2026:206:11:10:00Comm pass on DSS-56 (duration 1:00) 1d 21:33 7:10 AM Sat 25-Jul
2026:206:11:30:00ER Obsid: 41304 (3 ksec) Purpose: Perigee Attitude 1d 21:53 7:30 AM Sat 25-Jul
2026:206:12:52:51Maneuver to 307.00000 -17.00000 138.692 [2026:206:13:25:30] 1d 23:16 8:52 AM Sat 25-Jul
2026:206:13:30:00ER Obsid: 41303 (3 ksec) Purpose: Perigee Attitude 1d 23:53 9:30 AM Sat 25-Jul
2026:206:14:59:32Maneuver to 49.86256 41.49310 95.482 [2026:206:15:35:11] 2d 01:2310:59 AM Sat 25-Jul
2026:206:15:00:06Grating: NONE 2d 01:2411:00 AM Sat 25-Jul
2026:206:15:15:23RADMON Enable 2d 01:3911:15 AM Sat 25-Jul
2026:206:15:39:41Obsid: 32454 SI: ACIS-I (17 ksec) Target: Perseus cluster 2d 02:0311:39 AM Sat 25-Jul
2026:206:18:20:00Comm pass on DSS-65 (duration 1:00) 2d 04:43 2:20 PM Sat 25-Jul
2026:206:20:26:21Maneuver to 310.95529 -10.67967 147.030 [2026:206:21:00:32] 2d 06:50 4:26 PM Sat 25-Jul
2026:206:21:05:02Obsid: 32446 SI: ACIS-S (10 ksec) Target: Mrk_509_s2 2d 07:29 5:05 PM Sat 25-Jul
2026:206:23:48:42Load JUL2026A:CL206:2301 [2026:207:21:54:34] 2d 10:12 7:48 PM Sat 25-Jul
2026:206:23:48:42Load JUL2026A:CL206:2301 [2026:207:21:54:34] 2d 10:12 7:48 PM Sat 25-Jul
2026:206:23:51:42Maneuver to 49.96882 41.57185 91.988 [2026:207:00:25:58] 2d 10:15 7:51 PM Sat 25-Jul
2026:207:00:30:28Obsid: 30325 SI: ACIS-I (18 ksec) Target: Perseus cluster 2d 10:54 8:30 PM Sat 25-Jul
2026:207:01:10:00Comm pass on DSS-56 (duration 0:45) 2d 11:33 9:10 PM Sat 25-Jul
2026:207:05:30:28Maneuver to 314.65175 -7.49285 143.430 [2026:207:06:03:35] 2d 15:54 1:30 AM Sun 26-Jul
2026:207:06:08:05Obsid: 32448 SI: ACIS-S (10 ksec) Target: SDSSJ205829.72- 2d 16:32 2:08 AM Sun 26-Jul
2026:207:08:54:45Maneuver to 49.86360 41.49200 95.773 [2026:207:09:27:47] 2d 19:18 4:54 AM Sun 26-Jul
2026:207:09:32:17Obsid: 32455 SI: ACIS-I (15 ksec) Target: Perseus cluster 2d 19:56 5:32 AM Sun 26-Jul

CXO and GOES rates
CXOGOESLimit
HRC shield017250
HRC MCP484430
P4GM---0.05300
P41GM---0.018.47
CXO: from snapshot at 2026:204:10:55:19 (- 2:40)
GOES proxies: scaled 15 min average of GOES-16
Last avgs at HRC: - 0:16   P4GM: - 0:18   P41GM: - 0:18
ACE rates
Value2hr limitOrbital limitHours to
Orbital limit
Current flux12.95000012000> 30
2hr avg flux10.55000012000> 30
Orbital fluence5.8x105---2.0x109---
ACE data from 2026:204:13:25:00 (- 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 21/2100Z to 22/2100Z: The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 482 km/s at 22/1619Z. Total IMF reached 11.9 nT at 22/1130Z. The maximum southward component of Bz reached NA -9.86 nT at 22/1121Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 317 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to active levels on day one (23 Jul), quiet to minor storm levels on day two (24 Jul) and quiet to unsettled levels on day three (25 Jul).
Solar ActivityAnalysis of Solar Active Regions and Activity from 21/2100Z to 22/2100Z: Solar activity has been at moderate 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 moderate with a slight chance for an X-class flare on days one, two, and three (23 Jul, 24 Jul, 25 Jul).

Solar X-ray Activity

Solar Wind Data ( SOHO ACE )

Solar Flare Monitor