Page content updated: 2026:172:07:22:29 ( 3:22 AM Sun 21-Jun )

Key Snapshot and SOH Values (Δt = - 5:12)
Obsid41397
Format2_NORM
RadMonDISA
CPE StatusNORM
RA7.001
Dec10.005
Roll112.142
Pitch78.82
Sim Z-99616
Sim Focus-467
HETG angle5.59
LETG angle75.71
SCS 107INAC
SCS 128ACT
SCS 129ACT
SCS 130ACT
RadMonDISA
SCS 131ACT
SCS 132ACT
SCS 133ACT
Snapshot from 2026:172:02:09:47 (Δt = - 5:12)

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)
2026:171:19:57:08ER Obsid: 41398 (4 ksec) Purpose: Perigee Attitude -11:25 3:57 PM Sat 20-Jun
2026:171:21:03:48Maneuver to 7.00000 10.00000 112.142 [2026:171:21:35:44]-10:18 5:03 PM Sat 20-Jun
2026:171:21:40:14ER Obsid: 41397 (3 ksec) Purpose: Perigee Attitude - 9:42 5:40 PM Sat 20-Jun
2026:172:01:15:00Comm pass on DSS-24 (duration 1:00)- 6:07 9:15 PM Sat 20-Jun
2026:172:03:22:52Maneuver to 275.00000 -20.00000 124.321 [2026:172:03:55:30]- 3:5911:22 PM Sat 20-Jun
2026:172:04:00:00ER Obsid: 41396 (0 ksec) Purpose: Perigee Attitude - 3:2212:00 AM Sun 21-Jun
2026:172:04:15:41Maneuver to 260.95262 -23.64135 269.935 [2026:172:05:00:15]- 3:0612:15 AM Sun 21-Jun
2026:172:05:04:45ER Obsid: 41395 (0 ksec) Purpose: Perigee Attitude - 2:17 1:04 AM Sun 21-Jun
2026:172:05:32:13Load JUN1526A:CL172:0501 [2026:173:00:14:21]- 1:50 1:32 AM Sun 21-Jun
2026:172:05:32:13Load JUN1526A:CL172:0501 [2026:173:00:14:21]- 1:50 1:32 AM Sun 21-Jun
2026:172:05:35:13Maneuver to 150.04014 2.28431 238.000 [2026:172:06:10:41]- 1:47 1:35 AM Sun 21-Jun
2026:172:05:35:48Grating: NONE- 1:46 1:35 AM Sun 21-Jun
2026:172:05:52:53RADMON Enable- 1:29 1:52 AM Sun 21-Jun
2026:172:06:15:11Obsid: 30251 SI: ACIS-I (17 ksec) Target: Center of COSMO - 1:07 2:15 AM Sun 21-Jun
2026:172:07:22:29--------------- NOW --------------- 0:00 3:22 AM Sun 21-Jun
2026:172:10:58:31Maneuver to 254.04365 -33.01991 300.915 [2026:172:11:32:49] 3:36 6:58 AM Sun 21-Jun
2026:172:11:37:19Obsid: 32392 SI: ACIS-S (10 ksec) Target: 2MASSJ16561677- 4:14 7:37 AM Sun 21-Jun
2026:172:14:23:59Maneuver to 150.03771 2.28472 244.570 [2026:172:14:58:06] 7:0110:23 AM Sun 21-Jun
2026:172:15:02:36Obsid: 32396 SI: ACIS-I (13 ksec) Target: Center of COSMO 7:4011:02 AM Sun 21-Jun
2026:172:15:20:00Comm pass on DSS-65 (duration 1:00) 7:5711:20 AM Sun 21-Jun
2026:172:18:39:16Maneuver to 258.24301 64.06868 190.833 [2026:172:19:12:16] 11:16 2:39 PM Sun 21-Jun
2026:172:19:16:46Obsid: 30428 SI: ACIS-I (17 ksec) Target: Abell 2255 11:54 3:16 PM Sun 21-Jun
2026:173:00:11:21Load JUN2226A:CL173:0001 [2026:174:11:44:00] 16:48 8:11 PM Sun 21-Jun
2026:173:00:11:21Load JUN2226A:CL173:0001 [2026:174:11:44:00] 16:48 8:11 PM Sun 21-Jun
2026:173:00:14:21Maneuver to 189.92104 -5.31911 234.001 [2026:173:00:44:22] 16:51 8:14 PM Sun 21-Jun
2026:173:00:17:56Grating: HETG 16:55 8:17 PM Sun 21-Jun
2026:173:00:45:00Comm pass on DSS-65 (duration 0:55) 17:22 8:45 PM Sun 21-Jun
2026:173:00:48:52Obsid: 30223 SI: ACIS-S (30 ksec) Target: NGC 4593 17:26 8:48 PM Sun 21-Jun
2026:173:09:08:52Maneuver to 267.16235 -27.15670 314.989 [2026:173:09:40:14] 1d 01:46 5:08 AM Mon 22-Jun
2026:173:09:12:27Grating: NONE 1d 01:49 5:12 AM Mon 22-Jun
2026:173:09:44:44Obsid: 30132 SI: ACIS-S (15 ksec) Target: SNR G1.9+0.3 1d 02:22 5:44 AM Mon 22-Jun
2026:173:12:00:00Comm pass on DSS-34 (duration 1:00) 1d 04:37 8:00 AM Mon 22-Jun
2026:173:13:54:44Maneuver to 150.16305 2.23682 244.377 [2026:173:14:31:51] 1d 06:32 9:54 AM Mon 22-Jun
2026:173:14:36:21Obsid: 30249 SI: ACIS-I (15 ksec) Target: Center of COSMO 1d 07:1310:36 AM Mon 22-Jun
2026:173:18:46:21Maneuver to 267.15947 -27.15607 315.588 [2026:173:19:23:29] 1d 11:23 2:46 PM Mon 22-Jun
2026:173:19:27:59Obsid: 32405 SI: ACIS-S (15 ksec) Target: SNR G1.9+0.3 1d 12:05 3:27 PM Mon 22-Jun
2026:173:19:55:00Comm pass on DSS-56 (duration 1:00) 1d 12:32 3:55 PM Mon 22-Jun
2026:173:23:37:59Maneuver to 150.16312 2.23975 244.282 [2026:174:00:15:07] 1d 16:15 7:37 PM Mon 22-Jun
2026:174:00:19:37Obsid: 32407 SI: ACIS-I (14 ksec) Target: Center of COSMO 1d 16:57 8:19 PM Mon 22-Jun
2026:174:01:45:00Comm pass on DSS-53 (duration 1:00) 1d 18:22 9:45 PM Mon 22-Jun
2026:174:04:12:57Maneuver to 267.15735 -27.15372 312.513 [2026:174:04:49:59] 1d 20:5012:12 AM Tue 23-Jun
2026:174:04:54:29Obsid: 30134 SI: ACIS-S (14 ksec) Target: SNR G1.9+0.3 1d 21:3212:54 AM Tue 23-Jun
2026:174:08:55:51Maneuver to 129.00000 -11.00000 226.381 [2026:174:09:34:29] 2d 01:33 4:55 AM Tue 23-Jun
2026:174:08:59:25Grating: HETG 2d 01:36 4:59 AM Tue 23-Jun
2026:174:09:01:28RADMON Disable 2d 01:38 5:01 AM Tue 23-Jun
2026:174:09:38:59ER Obsid: 41394 (3 ksec) Purpose: Perigee Attitude 2d 02:16 5:38 AM Tue 23-Jun
2026:174:11:05:00Comm pass on DSS-34 (duration 1:00) 2d 03:42 7:05 AM Tue 23-Jun
2026:174:12:13:52Load JUN2226A:CL174:1201 [2026:175:23:40:21] 2d 04:51 8:13 AM Tue 23-Jun
2026:174:12:13:52Load JUN2226A:CL174:1201 [2026:175:23:40:21] 2d 04:51 8:13 AM Tue 23-Jun
2026:174:12:16:52Maneuver to 267.00000 -27.00000 307.925 [2026:174:12:55:30] 2d 04:54 8:16 AM Tue 23-Jun
2026:174:13:00:00ER Obsid: 41393 (3 ksec) Purpose: Perigee Attitude 2d 05:37 9:00 AM Tue 23-Jun
2026:174:14:16:33Maneuver to 135.00000 -2.00000 236.099 [2026:174:14:55:30] 2d 06:5410:16 AM Tue 23-Jun
2026:174:15:00:00ER Obsid: 41392 (3 ksec) Purpose: Perigee Attitude 2d 07:3711:00 AM Tue 23-Jun
2026:174:17:00:00Comm pass on DSS-53 (duration 1:00) 2d 09:37 1:00 PM Tue 23-Jun
2026:174:17:46:33Maneuver to 267.00000 -27.00000 306.720 [2026:174:18:25:30] 2d 10:24 1:46 PM Tue 23-Jun
2026:174:18:30:00ER Obsid: 41391 (2 ksec) Purpose: Perigee Attitude 2d 11:07 2:30 PM Tue 23-Jun
2026:174:20:50:50Maneuver to 150.04229 2.29021 235.000 [2026:174:21:28:00] 2d 13:28 4:50 PM Tue 23-Jun
2026:174:20:51:24Grating: NONE 2d 13:28 4:51 PM Tue 23-Jun
2026:174:21:10:12RADMON Enable 2d 13:47 5:10 PM Tue 23-Jun
2026:174:21:32:30Obsid: 30061 SI: ACIS-I (20 ksec) Target: Center of COSMO 2d 14:10 5:32 PM Tue 23-Jun
2026:175:00:45:00Comm pass on DSS-65 (duration 0:50) 2d 17:22 8:45 PM Tue 23-Jun
2026:175:03:05:50Maneuver to 207.18923 26.57490 237.732 [2026:175:03:30:41] 2d 19:4311:05 PM Tue 23-Jun
2026:175:03:35:11Obsid: 31402 SI: ACIS-I (25 ksec) Target: A1795 2d 20:1211:35 PM Tue 23-Jun

CXO and GOES rates
CXOGOESLimit
HRC shield017250
HRC MCP484430
P4GM---0.02300
P41GM---0.018.47
CXO: from snapshot at 2026:172:02:09:47 (- 5:12)
RadMon: DISABLED
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 flux8.025000012000> 30
2hr avg flux9.615000012000> 30
Orbital fluence47000---2.0x109---
ACE data from 2026:172:07:10:00 (- 0:12)
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