Page content updated: 2026:172:21:18:01 ( 5:18 PM Sun 21-Jun )

Key Snapshot and SOH Values (Δt = - 5:01)
Obsid32396
Format2_NORM
RadMonENAB
CPE StatusNORM
RA150.038
Dec2.283
Roll244.570
Pitch61.61
Sim Z92903
Sim Focus-535
HETG angle77.59
LETG angle75.71
SCS 107INAC
SCS 128ACT
SCS 129ACT
SCS 130INAC
RadMonENAB
SCS 131ACT
SCS 132ACT
SCS 133INAC
Snapshot from 2026:172:16:16:35 (Δt = - 5:01)

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)
2026:172:10:58:31Maneuver to 254.04365 -33.01991 300.915 [2026:172:11:32:49]-10:19 6:58 AM Sun 21-Jun
2026:172:11:37:19Obsid: 32392 SI: ACIS-S (10 ksec) Target: 2MASSJ16561677- - 9:40 7:37 AM Sun 21-Jun
2026:172:14:23:59Maneuver to 150.03771 2.28472 244.570 [2026:172:14:58:06]- 6:5410:23 AM Sun 21-Jun
2026:172:15:02:36Obsid: 32396 SI: ACIS-I (13 ksec) Target: Center of COSMO - 6:1511:02 AM Sun 21-Jun
2026:172:15:20:00Comm pass on DSS-65 (duration 1:00)- 5:5811:20 AM Sun 21-Jun
2026:172:18:39:16Maneuver to 258.24301 64.06868 190.833 [2026:172:19:12:16]- 2:38 2:39 PM Sun 21-Jun
2026:172:19:16:46Obsid: 30428 SI: ACIS-I (17 ksec) Target: Abell 2255 - 2:01 3:16 PM Sun 21-Jun
2026:172:21:18:01--------------- NOW --------------- 0:00 5:18 PM Sun 21-Jun
2026:173:00:11:21Load JUN2226A:CL173:0001 [2026:174:11:44:00] 2:53 8:11 PM Sun 21-Jun
2026:173:00:11:21Load JUN2226A:CL173:0001 [2026:174:11:44:00] 2:53 8:11 PM Sun 21-Jun
2026:173:00:14:21Maneuver to 189.92104 -5.31911 234.001 [2026:173:00:44:22] 2:56 8:14 PM Sun 21-Jun
2026:173:00:17:56Grating: HETG 2:59 8:17 PM Sun 21-Jun
2026:173:00:45:00Comm pass on DSS-65 (duration 0:55) 3:26 8:45 PM Sun 21-Jun
2026:173:00:48:52Obsid: 30223 SI: ACIS-S (30 ksec) Target: NGC 4593 3:30 8:48 PM Sun 21-Jun
2026:173:09:08:52Maneuver to 267.16235 -27.15670 314.989 [2026:173:09:40:14] 11:50 5:08 AM Mon 22-Jun
2026:173:09:12:27Grating: NONE 11:54 5:12 AM Mon 22-Jun
2026:173:09:44:44Obsid: 30132 SI: ACIS-S (15 ksec) Target: SNR G1.9+0.3 12:26 5:44 AM Mon 22-Jun
2026:173:12:00:00Comm pass on DSS-34 (duration 1:00) 14:41 8:00 AM Mon 22-Jun
2026:173:13:54:44Maneuver to 150.16305 2.23682 244.377 [2026:173:14:31:51] 16:36 9:54 AM Mon 22-Jun
2026:173:14:36:21Obsid: 30249 SI: ACIS-I (15 ksec) Target: Center of COSMO 17:1810:36 AM Mon 22-Jun
2026:173:18:46:21Maneuver to 267.15947 -27.15607 315.588 [2026:173:19:23:29] 21:28 2:46 PM Mon 22-Jun
2026:173:19:27:59Obsid: 32405 SI: ACIS-S (15 ksec) Target: SNR G1.9+0.3 22:09 3:27 PM Mon 22-Jun
2026:173:19:55:00Comm pass on DSS-56 (duration 1:00) 22:36 3:55 PM Mon 22-Jun
2026:173:23:37:59Maneuver to 150.16312 2.23975 244.282 [2026:174:00:15:07] 1d 02:19 7:37 PM Mon 22-Jun
2026:174:00:19:37Obsid: 32407 SI: ACIS-I (14 ksec) Target: Center of COSMO 1d 03:01 8:19 PM Mon 22-Jun
2026:174:01:45:00Comm pass on DSS-53 (duration 1:00) 1d 04:26 9:45 PM Mon 22-Jun
2026:174:04:12:57Maneuver to 267.15735 -27.15372 312.513 [2026:174:04:49:59] 1d 06:5412:12 AM Tue 23-Jun
2026:174:04:54:29Obsid: 30134 SI: ACIS-S (14 ksec) Target: SNR G1.9+0.3 1d 07:3612:54 AM Tue 23-Jun
2026:174:08:55:51Maneuver to 129.00000 -11.00000 226.381 [2026:174:09:34:29] 1d 11:37 4:55 AM Tue 23-Jun
2026:174:08:59:25Grating: HETG 1d 11:41 4:59 AM Tue 23-Jun
2026:174:09:01:28RADMON Disable 1d 11:43 5:01 AM Tue 23-Jun
2026:174:09:38:59ER Obsid: 41394 (3 ksec) Purpose: Perigee Attitude 1d 12:20 5:38 AM Tue 23-Jun
2026:174:11:05:00Comm pass on DSS-34 (duration 1:00) 1d 13:46 7:05 AM Tue 23-Jun
2026:174:12:13:52Load JUN2226A:CL174:1201 [2026:175:23:40:21] 1d 14:55 8:13 AM Tue 23-Jun
2026:174:12:13:52Load JUN2226A:CL174:1201 [2026:175:23:40:21] 1d 14:55 8:13 AM Tue 23-Jun
2026:174:12:16:52Maneuver to 267.00000 -27.00000 307.925 [2026:174:12:55:30] 1d 14:58 8:16 AM Tue 23-Jun
2026:174:13:00:00ER Obsid: 41393 (3 ksec) Purpose: Perigee Attitude 1d 15:41 9:00 AM Tue 23-Jun
2026:174:14:16:33Maneuver to 135.00000 -2.00000 236.099 [2026:174:14:55:30] 1d 16:5810:16 AM Tue 23-Jun
2026:174:15:00:00ER Obsid: 41392 (3 ksec) Purpose: Perigee Attitude 1d 17:4111:00 AM Tue 23-Jun
2026:174:17:00:00Comm pass on DSS-53 (duration 1:00) 1d 19:41 1:00 PM Tue 23-Jun
2026:174:17:46:33Maneuver to 267.00000 -27.00000 306.720 [2026:174:18:25:30] 1d 20:28 1:46 PM Tue 23-Jun
2026:174:18:30:00ER Obsid: 41391 (2 ksec) Purpose: Perigee Attitude 1d 21:11 2:30 PM Tue 23-Jun
2026:174:20:50:50Maneuver to 150.04229 2.29021 235.000 [2026:174:21:28:00] 1d 23:32 4:50 PM Tue 23-Jun
2026:174:20:51:24Grating: NONE 1d 23:33 4:51 PM Tue 23-Jun
2026:174:21:10:12RADMON Enable 1d 23:52 5:10 PM Tue 23-Jun
2026:174:21:32:30Obsid: 30061 SI: ACIS-I (20 ksec) Target: Center of COSMO 2d 00:14 5:32 PM Tue 23-Jun
2026:175:00:45:00Comm pass on DSS-65 (duration 0:50) 2d 03:26 8:45 PM Tue 23-Jun
2026:175:03:05:50Maneuver to 207.18923 26.57490 237.732 [2026:175:03:30:41] 2d 05:4711:05 PM Tue 23-Jun
2026:175:03:35:11Obsid: 31402 SI: ACIS-I (25 ksec) Target: A1795 2d 06:1711:35 PM Tue 23-Jun
2026:175:10:31:51Maneuver to 207.16653 26.54964 233.024 [2026:175:10:39:25] 2d 13:13 6:31 AM Wed 24-Jun
2026:175:10:43:55Obsid: 31403 SI: ACIS-I (25 ksec) Target: A1795 2d 13:25 6:43 AM Wed 24-Jun
2026:175:10:45:00Comm pass on DSS-24 (duration 1:00) 2d 13:26 6:45 AM Wed 24-Jun
2026:175:17:40:35Maneuver to 207.14523 26.52223 233.033 [2026:175:17:44:35] 2d 20:22 1:40 PM Wed 24-Jun
2026:175:17:49:05Obsid: 31405 SI: ACIS-I (25 ksec) Target: A1795 2d 20:31 1:49 PM Wed 24-Jun

CXO and GOES rates
CXOGOESLimit
HRC shield016250
HRC MCP535430
P4GM---0.04300
P41GM---0.018.47
CXO: from snapshot at 2026:172:16:16:35 (- 5:01)
GOES proxies: scaled 15 min average of GOES-16
Last avgs at HRC: - 0:18   P4GM: - 0:18   P41GM: - 0:20
ACE rates
Value2hr limitOrbital limitHours to
Orbital limit
Current flux95000012000> 30
2hr avg flux10.85000012000> 30
Orbital fluence5.4x105---2.0x109---
ACE data from 2026:172:21:05:00 (- 0:13)
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 19/2100Z to 20/2100Z: The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 450 km/s at 20/0613Z. Total IMF reached 8 nT at 19/2122Z. The maximum southward component of Bz reached -6 nT at 20/0953Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 579 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to unsettled levels on day one (21 Jun) and quiet levels on days two and three (22 Jun, 23 Jun).
Solar ActivityAnalysis of Solar Active Regions and Activity from 19/2100Z to 20/2100Z: Solar activity has been at moderate levels for the past 24 hours. There are currently 5 numbered sunspot regions on the disk. IB. Solar Activity Forecast: Solar activity is expected to be low with a chance for M-class flares on days one, two, and three (21 Jun, 22 Jun, 23 Jun).

Solar X-ray Activity

Solar Wind Data ( SOHO ACE )

Solar Flare Monitor