Page content updated: 2026:234:05:33:01 ( 1:33 AM Sat 22-Aug )

Key Snapshot and SOH Values (Δt = - 1:37)
Obsid29937
Format2_NORM
RadMonENAB
CPE StatusNORM
RA53.428
Dec-5.107
Roll102.001
Pitch97.82
Sim Z75623
Sim Focus-467
HETG angle77.59
LETG angle75.71
SCS 107INAC
SCS 128ACT
SCS 129INAC
SCS 130ACT
RadMonENAB
SCS 131ACT
SCS 132INAC
SCS 133ACT
Snapshot from 2026:234:03:55:49 (Δt = - 1:37)

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)
2026:233:22:16:50Load AUG1726A:CL233:2201 [2026:235:21:59:21]- 7:16 6:16 PM Fri 21-Aug
2026:233:22:16:50Load AUG1726A:CL233:2201 [2026:235:21:59:21]- 7:16 6:16 PM Fri 21-Aug
2026:233:22:19:50Maneuver to 53.42804 -5.10915 102.001 [2026:233:22:34:33]- 7:13 6:19 PM Fri 21-Aug
2026:233:22:45:07Obsid: 29937 SI: ACIS-S (30 ksec) Target: NGC 1358 - 6:47 6:45 PM Fri 21-Aug
2026:234:03:00:00Comm pass on DSS-24 (duration 1:00)- 2:3311:00 PM Fri 21-Aug
2026:234:05:33:01--------------- NOW --------------- 0:00 1:33 AM Sat 22-Aug
2026:234:07:05:07Maneuver to 352.21396 5.24164 129.030 [2026:234:07:31:02] 1:32 3:05 AM Sat 22-Aug
2026:234:07:47:32Obsid: 32503 SI: HRC-I (7 ksec) Target: G29-38 2:14 3:47 AM Sat 22-Aug
2026:234:09:52:32Maneuver to 341.95769 -11.83680 93.002 [2026:234:10:12:32] 4:19 5:52 AM Sat 22-Aug
2026:234:10:17:02Obsid: 32500 SI: ACIS-S (9 ksec) Target: NGC 7378 4:44 6:17 AM Sat 22-Aug
2026:234:12:55:22Maneuver to 27.17093 5.99619 107.754 [2026:234:13:17:26] 7:22 8:55 AM Sat 22-Aug
2026:234:13:21:56Obsid: 31684 SI: ACIS-I (33 ksec) Target: SDSS J014837.63 7:48 9:21 AM Sat 22-Aug
2026:234:15:30:00Comm pass on DSS-56 (duration 1:00) 9:5611:30 AM Sat 22-Aug
2026:234:22:46:56Maneuver to 23.43432 -1.17720 103.794 [2026:234:22:56:58] 17:13 6:46 PM Sat 22-Aug
2026:234:23:07:47Obsid: 29968 SI: ACIS-S (19 ksec) Target: SDSS J013341.22 17:34 7:07 PM Sat 22-Aug
2026:235:03:00:00Comm pass on DSS-26 (duration 1:00) 21:2611:00 PM Sat 22-Aug
2026:235:04:33:21Maneuver to 336.70000 -12.65000 77.636 [2026:235:04:55:48] 23:0012:33 AM Sun 23-Aug
2026:235:04:36:55Grating: HETG 23:0312:36 AM Sun 23-Aug
2026:235:04:38:58RADMON Disable 23:0512:38 AM Sun 23-Aug
2026:235:05:00:18ER Obsid: 41212 (3 ksec) Purpose: Perigee Attitude 23:27 1:00 AM Sun 23-Aug
2026:235:07:26:49Maneuver to 331.80000 -14.25000 357.126 [2026:235:07:55:30] 1d 01:53 3:26 AM Sun 23-Aug
2026:235:08:00:00ER Obsid: 41211 (3 ksec) Purpose: Perigee Attitude 1d 02:26 4:00 AM Sun 23-Aug
2026:235:10:26:53Maneuver to 100.50000 -84.87000 129.130 [2026:235:10:55:30] 1d 04:53 6:26 AM Sun 23-Aug
2026:235:11:00:00ER Obsid: 41210 (1 ksec) Purpose: Perigee Attitude 1d 05:26 7:00 AM Sun 23-Aug
2026:235:11:34:22Maneuver to 70.00000 5.00000 100.865 [2026:235:12:05:30] 1d 06:01 7:34 AM Sun 23-Aug
2026:235:12:10:00ER Obsid: 41209 (3 ksec) Purpose: Perigee Attitude 1d 06:36 8:10 AM Sun 23-Aug
2026:235:12:25:00Comm pass on DSS-54 (duration 1:00) 1d 06:51 8:25 AM Sun 23-Aug
2026:235:14:23:15Maneuver to 150.00000 -37.00000 177.096 [2026:235:14:55:30] 1d 08:5010:23 AM Sun 23-Aug
2026:235:15:00:00ER Obsid: 41208 (3 ksec) Purpose: Perigee Attitude 1d 09:2611:00 AM Sun 23-Aug
2026:235:16:40:53Maneuver to 332.28233 -47.17597 359.973 [2026:235:17:13:11] 1d 11:0712:40 PM Sun 23-Aug
2026:235:17:04:09RADMON Enable 1d 11:31 1:04 PM Sun 23-Aug
2026:235:17:17:41Obsid: 32502 SI: ACIS-S (16 ksec) Target: NGC 7213 1d 11:44 1:17 PM Sun 23-Aug
2026:235:21:56:21Load AUG2426A:CL235:2101 [2026:237:09:49:13] 1d 16:23 5:56 PM Sun 23-Aug
2026:235:21:56:21Load AUG2426A:CL235:2101 [2026:237:09:49:13] 1d 16:23 5:56 PM Sun 23-Aug
2026:235:21:59:21Maneuver to 40.45414 -8.36371 98.764 [2026:235:22:30:22] 1d 16:26 5:59 PM Sun 23-Aug
2026:235:22:02:55Grating: NONE 1d 16:29 6:02 PM Sun 23-Aug
2026:235:22:34:52Obsid: 30237 SI: ACIS-I (27 ksec) Target: [vD2023]1 1d 17:01 6:34 PM Sun 23-Aug
2026:236:00:55:00Comm pass on DSS-54 (duration 1:00) 1d 19:21 8:55 PM Sun 23-Aug
2026:236:06:10:53Maneuver to 343.86963 -5.15653 119.413 [2026:236:06:35:43] 2d 00:37 2:10 AM Mon 24-Aug
2026:236:06:40:13ER Obsid: 41207 (0 ksec) Purpose: Intermediate Attitud 2d 01:07 2:40 AM Mon 24-Aug
2026:236:06:55:54Maneuver to 350.83930 58.83418 161.331 [2026:236:07:24:05] 2d 01:22 2:55 AM Mon 24-Aug
2026:236:07:28:35Obsid: 29816 SI: ACIS-S (27 ksec) Target: Cassiopeia A 2d 01:55 3:28 AM Mon 24-Aug
2026:236:11:25:00Comm pass on DSS-56 (duration 1:00) 2d 05:51 7:25 AM Mon 24-Aug
2026:236:15:06:39Maneuver to 241.99169 -48.43387 261.790 [2026:236:15:50:30] 2d 09:3311:06 AM Mon 24-Aug
2026:236:15:30:00Comm pass on DSS-54 (duration 1:00) 2d 09:5611:30 AM Mon 24-Aug
2026:236:15:55:00Obsid: 32495 SI: HRC-S (1 ksec) Target: X-ray blank sky 2d 10:2111:55 AM Mon 24-Aug
2026:236:16:11:40Maneuver to 241.76105 -49.47311 261.746 [2026:236:16:15:53] 2d 10:3812:11 PM Mon 24-Aug
2026:236:16:20:23ER Obsid: 41206 (0 ksec) Purpose: Intermediate Attitud 2d 10:4712:20 PM Mon 24-Aug
2026:236:16:36:04Maneuver to 350.83522 58.83384 161.691 [2026:236:17:20:08] 2d 11:0312:36 PM Mon 24-Aug
2026:236:17:24:38Obsid: 32511 SI: ACIS-S (10 ksec) Target: Cassiopeia A 2d 11:51 1:24 PM Mon 24-Aug
2026:236:20:11:18Maneuver to 341.54555 -5.45805 113.001 [2026:236:20:40:33] 2d 14:38 4:11 PM Mon 24-Aug
2026:236:20:45:03Obsid: 30214 SI: ACIS-S (11 ksec) Target: WISE J2246-0526 2d 15:12 4:45 PM Mon 24-Aug
2026:236:23:48:23Maneuver to 346.89381 45.44977 164.324 [2026:237:00:15:30] 2d 18:15 7:48 PM Mon 24-Aug
2026:237:00:15:30ER Obsid: 41205 (0 ksec) Purpose: Intermediate Attitud 2d 18:42 8:15 PM Mon 24-Aug
2026:237:00:15:51Maneuver to 215.77833 63.98409 290.614 [2026:237:00:41:06] 2d 18:42 8:15 PM Mon 24-Aug
2026:237:00:45:36Obsid: 30188 SI: ACIS-S (15 ksec) Target: SDSS J142314.36 2d 19:12 8:45 PM Mon 24-Aug
2026:237:02:05:00Comm pass on DSS-24 (duration 1:00) 2d 20:3110:05 PM Mon 24-Aug
2026:237:04:55:36Maneuver to 346.89381 45.44977 164.532 [2026:237:05:20:51] 2d 23:2212:55 AM Tue 25-Aug
2026:237:05:20:51ER Obsid: 41204 (0 ksec) Purpose: Perigee Attitude 2d 23:47 1:20 AM Tue 25-Aug
2026:237:05:21:12Maneuver to 341.54676 -5.45913 113.001 [2026:237:05:48:22] 2d 23:48 1:21 AM Tue 25-Aug

CXO and GOES rates
CXOGOESLimit
HRC shield027250
HRC MCP356930
P4GM---3.11300
P41GM---0.048.47
CXO: from snapshot at 2026:234:03:55:49 (- 1:37)
GOES proxies: scaled 15 min average of GOES-16
Last avgs at HRC: - 0:18   P4GM: - 0:18   P41GM: - 0:18
ACE rates
Value2hr limitOrbital limitHours to
Orbital limit
Current flux1275000012000> 30
2hr avg flux1045000012000> 30
Orbital fluence2.4x106---2.0x109---
ACE data from 2026:234:05:20:00 (- 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 20/2100Z to 21/2100Z: The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 567 km/s. Total IMF reached 4 nT. The maximum southward component of Bz reached -3 nT. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 1546 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to unsettled levels on days one and two (22 Aug, 23 Aug) and quiet levels on day three (24 Aug).
Solar ActivityAnalysis of Solar Active Regions and Activity from 20/2100Z to 21/2100Z: 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 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 (22 Aug, 23 Aug, 24 Aug).

Solar X-ray Activity

Solar Wind Data ( SOHO ACE )

Solar Flare Monitor