Page content updated: 2026:241:09:22:01 ( 5:22 AM Sat 29-Aug )

Key Snapshot and SOH Values (Δt = - 7:24)
Obsid30203
Format2_NORM
RadMonENAB
CPE StatusNORM
RA220.599
Dec-17.229
Roll249.000
Pitch67.82
Sim Z75623
Sim Focus-467
HETG angle77.59
LETG angle75.71
SCS 107INAC
SCS 128ACT
SCS 129ACT
SCS 130ACT
RadMonENAB
SCS 131ACT
SCS 132ACT
SCS 133ACT
Snapshot from 2026:241:01:57:10 (Δt = - 7:24)

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)
2026:240:21:47:39Maneuver to 332.38405 -10.98482 286.586 [2026:240:22:20:30]-11:34 5:47 PM Fri 28-Aug
2026:240:22:25:00ER Obsid: 41190 (0 ksec) Purpose: Perigee Attitude -10:57 6:25 PM Fri 28-Aug
2026:240:23:43:24Maneuver to 220.59956 -17.22891 249.000 [2026:241:00:18:10]- 9:38 7:43 PM Fri 28-Aug
2026:240:23:43:58Grating: NONE- 9:38 7:43 PM Fri 28-Aug
2026:241:00:04:48RADMON Enable- 9:17 8:04 PM Fri 28-Aug
2026:241:00:22:40Obsid: 30203 SI: ACIS-S (16 ksec) Target: NGC5728 - 8:59 8:22 PM Fri 28-Aug
2026:241:01:00:00Comm pass on DSS-23 (duration 1:00)- 8:22 9:00 PM Fri 28-Aug
2026:241:04:49:20Maneuver to 324.99372 -8.10572 262.780 [2026:241:05:23:04]- 4:3212:49 AM Sat 29-Aug
2026:241:05:27:34Obsid: 32508 SI: ACIS-I (10 ksec) Target: RMJ214001.0-080 - 3:54 1:27 AM Sat 29-Aug
2026:241:08:14:14Maneuver to 220.59948 -17.22785 249.000 [2026:241:08:47:57]- 1:07 4:14 AM Sat 29-Aug
2026:241:08:52:27Obsid: 32515 SI: ACIS-S (16 ksec) Target: NGC5728 - 0:29 4:52 AM Sat 29-Aug
2026:241:09:22:01--------------- NOW --------------- 0:00 5:22 AM Sat 29-Aug
2026:241:13:22:27Maneuver to 327.46768 -18.97885 313.053 [2026:241:13:55:52] 4:00 9:22 AM Sat 29-Aug
2026:241:14:00:22Obsid: 32507 SI: ACIS-S (10 ksec) Target: LEDA2831062 4:3810:00 AM Sat 29-Aug
2026:241:16:47:02Maneuver to 317.98578 -58.86319 334.872 [2026:241:17:08:55] 7:2512:47 PM Sat 29-Aug
2026:241:17:08:55ER Obsid: 41189 (0 ksec) Purpose: Intermediate Attitud 7:46 1:08 PM Sat 29-Aug
2026:241:17:09:16Maneuver to 135.56262 -40.55959 148.022 [2026:241:17:38:11] 7:47 1:09 PM Sat 29-Aug
2026:241:17:09:50Grating: HETG 7:47 1:09 PM Sat 29-Aug
2026:241:17:20:00Comm pass on DSS-54 (duration 0:30) 7:57 1:20 PM Sat 29-Aug
2026:241:17:42:41Obsid: 30505 SI: ACIS-S (15 ksec) Target: Vela X-1 8:20 1:42 PM Sat 29-Aug
2026:241:21:52:41Maneuver to 267.17459 -27.14338 274.994 [2026:241:22:26:07] 12:30 5:52 PM Sat 29-Aug
2026:241:21:56:15Grating: NONE 12:34 5:56 PM Sat 29-Aug
2026:241:22:30:37Obsid: 30135 SI: ACIS-S (30 ksec) Target: SNR G1.9+0.3 13:08 6:30 PM Sat 29-Aug
2026:242:01:40:00Comm pass on DSS-24 (duration 1:00) 16:17 9:40 PM Sat 29-Aug
2026:242:01:40:00Load AUG2426A:CL242:0101 [2026:242:22:06:33] 16:17 9:40 PM Sat 29-Aug
2026:242:01:40:00Load AUG2426A:CL242:0101 [2026:242:22:06:33] 16:17 9:40 PM Sat 29-Aug
2026:242:06:50:37Maneuver to 271.35953 2.51141 259.136 [2026:242:07:09:05] 21:28 2:50 AM Sun 30-Aug
2026:242:07:33:02Obsid: 26973 SI: HRC-I (5 ksec) Target: 70 OPH 22:11 3:33 AM Sun 30-Aug
2026:242:08:56:22Maneuver to 325.21386 -8.36216 266.059 [2026:242:09:19:34] 23:34 4:56 AM Sun 30-Aug
2026:242:09:24:04Obsid: 32509 SI: ACIS-I (9 ksec) Target: RMJ214053.7-082 1d 00:02 5:24 AM Sun 30-Aug
2026:242:12:00:14Maneuver to 234.90000 -40.90000 254.293 [2026:242:12:31:22] 1d 02:38 8:00 AM Sun 30-Aug
2026:242:12:31:22ER Obsid: 41188 (0 ksec) Purpose: Intermediate Attitud 1d 03:09 8:31 AM Sun 30-Aug
2026:242:12:31:43Maneuver to 134.87897 -43.54084 145.017 [2026:242:12:59:27] 1d 03:09 8:31 AM Sun 30-Aug
2026:242:13:03:57Obsid: 32512 SI: ACIS-I (14 ksec) Target: [CTC2021] Vela 1d 03:41 9:03 AM Sun 30-Aug
2026:242:14:30:00Comm pass on DSS-54 (duration 1:00) 1d 05:0710:30 AM Sun 30-Aug
2026:242:17:02:17Maneuver to 267.17477 -27.14534 276.994 [2026:242:17:35:23] 1d 07:40 1:02 PM Sun 30-Aug
2026:242:17:39:53Obsid: 32513 SI: ACIS-S (16 ksec) Target: SNR G1.9+0.3 1d 08:17 1:39 PM Sun 30-Aug
2026:242:22:03:33Load AUG3126A:CL242:2201 [2026:244:08:38:21] 1d 12:41 6:03 PM Sun 30-Aug
2026:242:22:03:33Load AUG3126A:CL242:2201 [2026:244:08:38:21] 1d 12:41 6:03 PM Sun 30-Aug
2026:242:22:06:33Maneuver to 258.19753 64.06929 248.010 [2026:242:22:38:54] 1d 12:44 6:06 PM Sun 30-Aug
2026:242:22:43:24Obsid: 30424 SI: ACIS-I (15 ksec) Target: Abell 2255 1d 13:21 6:43 PM Sun 30-Aug
2026:242:23:20:00Comm pass on DSS-23 (duration 1:00) 1d 13:57 7:20 PM Sun 30-Aug
2026:243:02:55:57Maneuver to 336.10000 -6.25000 247.000 [2026:243:03:29:19] 1d 17:3310:55 PM Sun 30-Aug
2026:243:02:59:31Grating: HETG 1d 17:3710:59 PM Sun 30-Aug
2026:243:03:00:00Comm pass on DSS-23 (duration 1:00) 1d 17:3711:00 PM Sun 30-Aug
2026:243:03:01:57RADMON Disable 1d 17:3911:01 PM Sun 30-Aug
2026:243:03:33:49ER Obsid: 41187 (3 ksec) Purpose: Perigee Attitude 1d 18:1111:33 PM Sun 30-Aug
2026:243:04:46:35Maneuver to 342.00000 -7.00000 122.205 [2026:243:05:25:30] 1d 19:2412:46 AM Mon 31-Aug
2026:243:05:30:00ER Obsid: 41186 (2 ksec) Purpose: Perigee Attitude 1d 20:07 1:30 AM Mon 31-Aug
2026:243:06:16:50Maneuver to 108.00000 30.00000 76.998 [2026:243:06:55:30] 1d 20:54 2:16 AM Mon 31-Aug
2026:243:07:00:00ER Obsid: 41185 (3 ksec) Purpose: Perigee Attitude 1d 21:37 3:00 AM Mon 31-Aug
2026:243:08:52:32Maneuver to 2.75000 8.30000 125.542 [2026:243:09:25:30] 1d 23:30 4:52 AM Mon 31-Aug
2026:243:09:30:00ER Obsid: 41184 (3 ksec) Purpose: Perigee Attitude 2d 00:07 5:30 AM Mon 31-Aug
2026:243:10:51:46Maneuver to 115.00000 37.00000 66.229 [2026:243:11:25:30] 2d 01:29 6:51 AM Mon 31-Aug
2026:243:11:30:00ER Obsid: 41183 (1 ksec) Purpose: Perigee Attitude 2d 02:07 7:30 AM Mon 31-Aug
2026:243:11:54:24Maneuver to 203.90000 -8.70000 249.754 [2026:243:12:40:30] 2d 02:32 7:54 AM Mon 31-Aug
2026:243:12:45:00ER Obsid: 41182 (1 ksec) Purpose: Perigee Attitude 2d 03:22 8:45 AM Mon 31-Aug
2026:243:13:15:52Maneuver to 336.00000 -10.00000 291.489 [2026:243:13:55:30] 2d 03:53 9:15 AM Mon 31-Aug
2026:243:13:45:00Comm pass on DSS-24 (duration 1:00) 2d 04:22 9:45 AM Mon 31-Aug
2026:243:14:00:00ER Obsid: 41181 (2 ksec) Purpose: Perigee Attitude 2d 04:3710:00 AM Mon 31-Aug
2026:243:15:11:11Maneuver to 220.59817 -17.22772 251.800 [2026:243:15:46:46] 2d 05:4911:11 AM Mon 31-Aug
2026:243:15:11:46Grating: NONE 2d 05:4911:11 AM Mon 31-Aug
2026:243:15:33:24RADMON Enable 2d 06:1111:33 AM Mon 31-Aug
2026:243:15:51:16Obsid: 30196 SI: ACIS-S (13 ksec) Target: NGC5728 2d 06:2911:51 AM Mon 31-Aug
2026:243:18:25:00Comm pass on DSS-54 (duration 1:00) 2d 09:02 2:25 PM Mon 31-Aug
2026:243:19:27:56Maneuver to 266.99125 -28.11684 270.477 [2026:243:19:48:43] 2d 10:05 3:27 PM Mon 31-Aug
2026:243:19:53:13Obsid: 32535 SI: ACIS-S (2 ksec) Target: SRGA J174800.5- 2d 10:31 3:53 PM Mon 31-Aug
2026:243:20:26:33Maneuver to 258.19437 64.07097 252.013 [2026:243:20:58:33] 2d 11:04 4:26 PM Mon 31-Aug
2026:243:21:03:03Obsid: 32529 SI: ACIS-I (18 ksec) Target: Abell 2255 2d 11:41 5:03 PM Mon 31-Aug
2026:244:02:03:03Maneuver to 352.21800 5.24940 155.998 [2026:244:02:34:04] 2d 16:4110:03 PM Mon 31-Aug
2026:244:02:20:00Comm pass on DSS-23 (duration 1:00) 2d 16:5710:20 PM Mon 31-Aug
2026:244:02:45:28Obsid: 30440 SI: HRC-I (10 ksec) Target: G29-38 2d 17:2310:45 PM Mon 31-Aug
2026:244:05:33:48Maneuver to 49.86396 41.49970 109.852 [2026:244:05:59:22] 2d 20:11 1:33 AM Tue 01-Sep
2026:244:06:03:52Obsid: 31881 SI: ACIS-I (30 ksec) Target: Perseus cluster 2d 20:41 2:03 AM Tue 01-Sep

CXO and GOES rates
CXOGOESLimit
HRC shield017250
HRC MCP637430
P4GM---0.06300
P41GM---0.018.47
CXO: from snapshot at 2026:241:01:57:10 (- 7:24)
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 flux205000012000> 30
2hr avg flux21.85000012000> 30
Orbital fluence2.4x108---2.0x109---
ACE data from 2026:241:09:10:00 (- 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 27/2100Z to 28/2100Z: The geomagnetic field has been at quiet to active levels for the past 24 hours. Solar wind speed reached a peak of 421 km/s at 28/1933Z. Total IMF reached 12 nT at 28/1930Z. The maximum southward component of Bz reached 13 nT at 28/2014Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 1307 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at unsettled to major storm levels on day one (29 Aug), quiet to active levels on day two (30 Aug) and quiet levels on day three (31 Aug).
Solar ActivityAnalysis of Solar Active Regions and Activity from 27/2100Z to 28/2100Z: Solar activity has been at low levels for the past 24 hours. There are currently 6 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 (29 Aug, 30 Aug, 31 Aug).

Solar X-ray Activity

Solar Wind Data ( SOHO ACE )

Solar Flare Monitor