Page content updated: 2026:268:22:20:00 ( 6:20 PM Fri 25-Sep )

Key Snapshot and SOH Values (Δt = - 4:54)
Obsid33440
Format2_NORM
RadMonENAB
CPE StatusNORM
RA4.655
Dec16.452
Roll164.995
Pitch163.98
Sim Z92671
Sim Focus-535
HETG angle77.59
LETG angle75.71
SCS 107INAC
SCS 128ACT
SCS 129INAC
SCS 130ACT
RadMonENAB
SCS 131ACT
SCS 132INAC
SCS 133ACT
Snapshot from 2026:268:17:25:59 (Δt = - 4:54)

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)
2026:268:10:27:20Obsid: 33442 SI: ACIS-S (13 ksec) Target: SDSS J083721.87 -11:52 6:27 AM Fri 25-Sep
2026:268:14:04:20Load SEP2126A:CL268:1401 [2026:270:01:14:59]- 8:1510:04 AM Fri 25-Sep
2026:268:14:04:20Load SEP2126A:CL268:1401 [2026:270:01:14:59]- 8:1510:04 AM Fri 25-Sep
2026:268:14:07:20Maneuver to 4.65143 16.45085 164.996 [2026:268:14:44:41]- 8:1210:07 AM Fri 25-Sep
2026:268:14:49:11Obsid: 33440 SI: ACIS-I (10 ksec) Target: MACS J0018.5+16 - 7:3010:49 AM Fri 25-Sep
2026:268:16:30:00Comm pass on DSS-54 (duration 1:00)- 5:5012:30 PM Fri 25-Sep
2026:268:17:42:04Maneuver to 129.34063 19.32903 68.000 [2026:268:18:19:24]- 4:37 1:42 PM Fri 25-Sep
2026:268:18:23:54Obsid: 33443 SI: ACIS-S (13 ksec) Target: SDSS J083721.87 - 3:56 2:23 PM Fri 25-Sep
2026:268:22:12:14Maneuver to 11.35547 10.14471 134.681 [2026:268:22:48:27]- 0:07 6:12 PM Fri 25-Sep
2026:268:22:20:00--------------- NOW --------------- 0:00 6:20 PM Fri 25-Sep
2026:268:22:52:57Obsid: 33434 SI: ACIS-I (10 ksec) Target: RMJ004525.1+100 0:32 6:52 PM Fri 25-Sep
2026:269:01:00:00Comm pass on DSS-24 (duration 1:00) 2:40 9:00 PM Fri 25-Sep
2026:269:01:46:06Maneuver to 129.34074 19.32719 68.000 [2026:269:02:22:18] 3:26 9:46 PM Fri 25-Sep
2026:269:02:26:48Obsid: 33444 SI: ACIS-S (13 ksec) Target: SDSS J083721.87 4:0610:26 PM Fri 25-Sep
2026:269:06:03:28Maneuver to 72.39532 15.87068 94.575 [2026:269:06:26:37] 7:43 2:03 AM Sat 26-Sep
2026:269:06:45:53Obsid: 31067 SI: HRC-I (5 ksec) Target: HD 30589 8:25 2:45 AM Sat 26-Sep
2026:269:08:09:13Maneuver to 20.88982 -4.47720 73.217 [2026:269:08:33:42] 9:49 4:09 AM Sat 26-Sep
2026:269:08:38:12Obsid: 33447 SI: ACIS-S (11 ksec) Target: ACT-CL J0123.5- 10:18 4:38 AM Sat 26-Sep
2026:269:10:00:00Comm pass on DSS-34 (duration 1:00) 11:40 6:00 AM Sat 26-Sep
2026:269:11:48:01Maneuver to 94.00000 -30.00000 89.552 [2026:269:12:15:23] 13:28 7:48 AM Sat 26-Sep
2026:269:11:51:35Grating: HETG 13:31 7:51 AM Sat 26-Sep
2026:269:11:53:38RADMON Disable 13:33 7:53 AM Sat 26-Sep
2026:269:12:19:53ER Obsid: 41118 (0 ksec) Purpose: Perigee Attitude 13:59 8:19 AM Sat 26-Sep
2026:269:12:35:34Maneuver to 179.28000 61.90000 3.962 [2026:269:13:13:11] 14:15 8:35 AM Sat 26-Sep
2026:269:13:17:41ER Obsid: 41117 (6 ksec) Purpose: Perigee Attitude 14:57 9:17 AM Sat 26-Sep
2026:269:14:57:41Maneuver to 1.10000 16.82200 186.719 [2026:269:15:31:12] 16:3710:57 AM Sat 26-Sep
2026:269:15:35:42ER Obsid: 41116 (2 ksec) Purpose: Perigee Attitude 17:1511:35 AM Sat 26-Sep
2026:269:16:09:02Maneuver to 356.02300 0.47000 276.747 [2026:269:16:40:09] 17:4912:09 PM Sat 26-Sep
2026:269:16:44:39ER Obsid: 41115 (5 ksec) Purpose: Perigee Attitude 18:2412:44 PM Sat 26-Sep
2026:269:18:14:39Maneuver to 257.00000 -0.00000 271.369 [2026:269:18:47:42] 19:54 2:14 PM Sat 26-Sep
2026:269:18:52:12ER Obsid: 41114 (3 ksec) Purpose: Perigee Attitude 20:32 2:52 PM Sat 26-Sep
2026:269:19:50:00Comm pass on DSS-36 (duration 1:00) 21:30 3:50 PM Sat 26-Sep
2026:269:22:57:53Maneuver to 331.76117 0.27291 272.249 [2026:269:23:25:30] 1d 00:37 6:57 PM Sat 26-Sep
2026:269:23:30:00ER Obsid: 41113 (1 ksec) Purpose: Perigee Attitude 1d 01:10 7:30 PM Sat 26-Sep
2026:269:23:50:00Maneuver to 274.00000 0.65618 271.416 [2026:270:00:13:50] 1d 01:30 7:50 PM Sat 26-Sep
2026:270:00:18:20ER Obsid: 41112 (0 ksec) Purpose: Perigee Attitude 1d 01:58 8:18 PM Sat 26-Sep
2026:270:00:35:00Comm pass on DSS-24 (duration 1:00) 1d 02:15 8:35 PM Sat 26-Sep
2026:270:02:05:01Load SEP2126A:CL270:0201 [2026:271:01:24:07] 1d 03:4510:05 PM Sat 26-Sep
2026:270:02:05:01Load SEP2126A:CL270:0201 [2026:271:01:24:07] 1d 03:4510:05 PM Sat 26-Sep
2026:270:02:38:57RADMON Enable 1d 04:1810:38 PM Sat 26-Sep
2026:270:02:38:58Maneuver to 274.83169 -25.38253 265.996 [2026:270:02:55:24] 1d 04:1810:38 PM Sat 26-Sep
2026:270:02:39:33Grating: NONE 1d 04:1910:39 PM Sat 26-Sep
2026:270:03:06:44Obsid: 33448 SI: ACIS-S (12 ksec) Target: V4641 Sgr S1 1d 04:4611:06 PM Sat 26-Sep
2026:270:06:26:44Maneuver to 49.94794 41.53231 121.070 [2026:270:07:12:05] 1d 08:06 2:26 AM Sun 27-Sep
2026:270:07:16:35Obsid: 31417 SI: ACIS-S (9 ksec) Target: Perseus Cluster 1d 08:56 3:16 AM Sun 27-Sep
2026:270:09:58:59Maneuver to 359.22975 15.33181 209.996 [2026:270:10:27:34] 1d 11:38 5:58 AM Sun 27-Sep
2026:270:10:00:00Comm pass on DSS-65 (duration 1:00) 1d 11:40 6:00 AM Sun 27-Sep
2026:270:10:32:04Obsid: 33433 SI: ACIS-S (10 ksec) Target: SDSSJ235651.40+ 1d 12:12 6:32 AM Sun 27-Sep
2026:270:13:18:44Maneuver to 234.99437 17.88241 280.004 [2026:270:13:55:34] 1d 14:58 9:18 AM Sun 27-Sep
2026:270:14:00:04Obsid: 30380 SI: ACIS-I (14 ksec) Target: Abell 2108 1d 15:4010:00 AM Sun 27-Sep
2026:270:16:55:00Comm pass on DSS-53 (duration 1:00) 1d 18:3512:55 PM Sun 27-Sep
2026:270:17:56:44Maneuver to 351.13173 8.12313 244.062 [2026:270:18:32:36] 1d 19:36 1:56 PM Sun 27-Sep
2026:270:18:37:06Obsid: 33435 SI: ACIS-I (10 ksec) Target: RMJ232434.6+080 1d 20:17 2:37 PM Sun 27-Sep
2026:270:20:20:00Comm pass on DSS-26 (duration 0:40) 1d 22:00 4:20 PM Sun 27-Sep
2026:270:21:23:46Maneuver to 234.99214 17.88199 286.047 [2026:270:21:59:37] 1d 23:03 5:23 PM Sun 27-Sep
2026:270:22:04:07Obsid: 33437 SI: ACIS-I (12 ksec) Target: Abell 2108 1d 23:44 6:04 PM Sun 27-Sep
2026:271:01:21:07Load SEP2826A:CL271:0101 [2026:272:15:55:36] 2d 03:01 9:21 PM Sun 27-Sep
2026:271:01:21:07Load SEP2826A:CL271:0101 [2026:272:15:55:36] 2d 03:01 9:21 PM Sun 27-Sep
2026:271:01:24:07Maneuver to 352.19431 5.26916 254.560 [2026:271:02:00:26] 2d 03:04 9:24 PM Sun 27-Sep
2026:271:02:06:32Obsid: 28340 SI: HRC-I (8 ksec) Target: G29-38 2d 03:4610:06 PM Sun 27-Sep
2026:271:04:19:52Maneuver to 283.15288 0.69734 266.000 [2026:271:04:46:17] 2d 05:5912:19 AM Mon 28-Sep
2026:271:04:50:47Obsid: 30053 SI: ACIS-S (30 ksec) Target: PSR J1852+0040 2d 06:3012:50 AM Mon 28-Sep
2026:271:10:45:00Comm pass on DSS-56 (duration 1:00) 2d 12:25 6:45 AM Mon 28-Sep
2026:271:13:19:07Maneuver to 352.19405 5.26792 255.897 [2026:271:13:45:31] 2d 14:59 9:19 AM Mon 28-Sep
2026:271:13:35:00Comm pass on DSS-56 (duration 1:00) 2d 15:15 9:35 AM Mon 28-Sep
2026:271:14:01:32Obsid: 33452 SI: HRC-I (9 ksec) Target: G29-38 2d 15:4110:01 AM Mon 28-Sep
2026:271:16:31:32Maneuver to 313.76000 -40.19000 297.000 [2026:271:16:59:43] 2d 18:1112:31 PM Mon 28-Sep
2026:271:16:59:43ER Obsid: 41111 (0 ksec) Purpose: Intermediate Attitud 2d 18:3912:59 PM Mon 28-Sep
2026:271:17:00:04Maneuver to 165.46776 -61.02307 150.026 [2026:271:17:27:55] 2d 18:40 1:00 PM Mon 28-Sep
2026:271:17:25:00Comm pass on DSS-53 (duration 1:00) 2d 19:05 1:25 PM Mon 28-Sep
2026:271:17:32:25Obsid: 31547 SI: ACIS-I (10 ksec) Target: PSR J1101-6101 2d 19:12 1:32 PM Mon 28-Sep
2026:271:20:19:05Maneuver to 20.88953 -4.47729 67.787 [2026:271:20:55:32] 2d 21:59 4:19 PM Mon 28-Sep
2026:271:21:00:02Obsid: 31738 SI: ACIS-S (10 ksec) Target: ACT-CL J0123.5- 2d 22:40 5:00 PM Mon 28-Sep

CXO and GOES rates
CXOGOESLimit
HRC shield016250
HRC MCP484430
P4GM---0.07300
P41GM---0.008.47
CXO: from snapshot at 2026:268:17:25:59 (- 4:54)
GOES proxies: scaled 15 min average of GOES-16
Last avgs at HRC: - 0:20   P4GM: - 0:20   P41GM: - 0:20
ACE rates
Value2hr limitOrbital limitHours to
Orbital limit
Current flux10.15000012000> 30
2hr avg flux10.35000012000> 30
Orbital fluence3.8x108---2.0x109---
ACE data from 2026:268:22:05:00 (- 0:15)
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 24/2100Z to 25/2100Z: The geomagnetic field has been at quiet to active levels for the past 24 hours. Solar wind speed reached a peak of 557 km/s. Total IMF reached 10 nT. The maximum southward component of Bz reached -10 nT. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 404 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to active levels on day one (26 Sep), quiet to unsettled levels on day two (27 Sep) and quiet levels on day three (28 Sep).
Solar ActivityAnalysis of Solar Active Regions and Activity from 24/2100Z to 25/2100Z: 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 likely to be low with a slight chance for an M-class flare on days one, two, and three (26 Sep, 27 Sep, 28 Sep).

Solar X-ray Activity

Solar Wind Data ( SOHO ACE )

Solar Flare Monitor