Page content updated: 2025:347:08:10:00 ( 3:10 AM Sat 13-Dec )

Key Snapshot and SOH Values (Δt = - 3:56)
Obsid30299
Format2_NORM
RadMonENAB
CPE StatusNORM
RA49.945
Dec41.534
Roll238.004
Pitch148.84
Sim Z92903
Sim Focus-535
HETG angle77.59
LETG angle75.71
SCS 107INAC
SCS 128ACT
SCS 129ACT
SCS 130ACT
RadMonENAB
SCS 131ACT
SCS 132ACT
SCS 133ACT
Snapshot from 2025:347:04:13:13 (Δt = - 3:56)

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)
2025:346:20:24:41Obsid: 32039 SI: ACIS-S (13 ksec) Target: NGC4548 -11:45 3:24 PM Fri 12-Dec
2025:347:00:06:21Maneuver to 192.00000 49.00000 58.778 [2025:347:00:24:58]- 8:03 7:06 PM Fri 12-Dec
2025:347:00:24:58ER Obsid: 41887 (0 ksec) Purpose: Intermediate Attitud - 7:45 7:24 PM Fri 12-Dec
2025:347:00:25:19Maneuver to 49.94873 41.53132 238.001 [2025:347:00:57:29]- 7:44 7:25 PM Fri 12-Dec
2025:347:01:01:59Obsid: 30299 SI: ACIS-I (16 ksec) Target: Perseus cluster - 7:08 8:01 PM Fri 12-Dec
2025:347:03:15:00Comm pass on DSS-54 (duration 1:00)- 4:5510:15 PM Fri 12-Dec
2025:347:05:35:02Maneuver to 327.00000 33.00000 302.050 [2025:347:06:00:21]- 2:3412:35 AM Sat 13-Dec
2025:347:06:04:51ER Obsid: 41886 (0 ksec) Purpose: Intermediate Attitud - 2:05 1:04 AM Sat 13-Dec
2025:347:06:20:32Maneuver to 117.09324 -67.77011 23.956 [2025:347:07:03:25]- 1:49 1:20 AM Sat 13-Dec
2025:347:07:07:55Obsid: 30050 SI: ACIS-S (15 ksec) Target: EXO 0748-676 - 1:02 2:07 AM Sat 13-Dec
2025:347:08:10:00--------------- NOW --------------- 0:00 3:10 AM Sat 13-Dec
2025:347:11:22:55Maneuver to 327.00000 33.00000 296.000 [2025:347:12:05:39] 3:12 6:22 AM Sat 13-Dec
2025:347:12:10:09ER Obsid: 41885 (0 ksec) Purpose: Perigee Attitude 4:00 7:10 AM Sat 13-Dec
2025:347:12:25:50Maneuver to 49.94597 41.52933 243.988 [2025:347:12:51:05] 4:15 7:25 AM Sat 13-Dec
2025:347:12:30:00Comm pass on DSS-24 (duration 1:00) 4:20 7:30 AM Sat 13-Dec
2025:347:12:55:35Obsid: 32042 SI: ACIS-I (15 ksec) Target: Perseus cluster 4:45 7:55 AM Sat 13-Dec
2025:347:17:13:45Maneuver to 327.00000 33.00000 302.389 [2025:347:17:38:59] 9:0312:13 PM Sat 13-Dec
2025:347:17:43:29ER Obsid: 41884 (0 ksec) Purpose: Perigee Attitude 9:3312:43 PM Sat 13-Dec
2025:347:17:59:10Maneuver to 117.09622 -67.76881 23.959 [2025:347:18:42:03] 9:4912:59 PM Sat 13-Dec
2025:347:18:46:33Obsid: 32037 SI: ACIS-S (15 ksec) Target: EXO 0748-676 10:36 1:46 PM Sat 13-Dec
2025:347:23:01:33Maneuver to 327.00000 33.00000 296.000 [2025:347:23:44:17] 14:51 6:01 PM Sat 13-Dec
2025:347:23:48:47ER Obsid: 41883 (0 ksec) Purpose: Perigee Attitude 15:38 6:48 PM Sat 13-Dec
2025:348:00:04:28Maneuver to 49.94569 41.52780 244.659 [2025:348:00:29:44] 15:54 7:04 PM Sat 13-Dec
2025:348:00:34:14Obsid: 30312 SI: ACIS-I (15 ksec) Target: Perseus cluster 16:24 7:34 PM Sat 13-Dec
2025:348:00:55:00Comm pass on DSS-26 (duration 1:00) 16:45 7:55 PM Sat 13-Dec
2025:348:04:50:36Load DEC0825A:CL348:0401 [2025:349:00:37:50] 20:4011:50 PM Sat 13-Dec
2025:348:04:50:36Load DEC0825A:CL348:0401 [2025:349:00:37:50] 20:4011:50 PM Sat 13-Dec
2025:348:04:53:36Maneuver to 263.69142 50.75132 351.027 [2025:348:05:23:56] 20:4311:53 PM Sat 13-Dec
2025:348:05:28:26Obsid: 31285 SI: ACIS-S (10 ksec) Target: 2MASX J17345436 21:1812:28 AM Sun 14-Dec
2025:348:08:26:46Maneuver to 49.94931 41.52800 235.001 [2025:348:08:56:36] 1d 00:16 3:26 AM Sun 14-Dec
2025:348:09:01:06Obsid: 32043 SI: ACIS-I (10 ksec) Target: Perseus cluster 1d 00:51 4:01 AM Sun 14-Dec
2025:348:11:54:26Maneuver to 150.24781 2.03031 56.000 [2025:348:12:37:56] 1d 03:44 6:54 AM Sun 14-Dec
2025:348:12:42:26Obsid: 30255 SI: ACIS-I (15 ksec) Target: Center of COSMO 1d 04:32 7:42 AM Sun 14-Dec
2025:348:16:52:26Maneuver to 87.00000 22.00000 73.975 [2025:348:17:17:47] 1d 08:4211:52 AM Sun 14-Dec
2025:348:17:22:17ER Obsid: 41882 (2 ksec) Purpose: Intermediate Attitud 1d 09:1212:22 PM Sun 14-Dec
2025:348:17:30:00Comm pass on DSS-56 (duration 1:30) 1d 09:2012:30 PM Sun 14-Dec
2025:348:17:57:03Maneuver to 150.25055 2.03132 65.854 [2025:348:18:22:28] 1d 09:4712:57 PM Sun 14-Dec
2025:348:18:26:58Obsid: 32040 SI: ACIS-I (15 ksec) Target: Center of COSMO 1d 10:16 1:26 PM Sun 14-Dec
2025:348:22:36:58Maneuver to 87.00000 23.00000 85.715 [2025:348:23:02:22] 1d 14:26 5:36 PM Sun 14-Dec
2025:348:22:40:32Grating: HETG 1d 14:30 5:40 PM Sun 14-Dec
2025:348:22:42:58RADMON Disable 1d 14:32 5:42 PM Sun 14-Dec
2025:348:23:06:52ER Obsid: 41881 (3 ksec) Purpose: Perigee Attitude 1d 14:56 6:06 PM Sun 14-Dec
2025:349:00:38:00Load DEC1525A:CL349:0001 [2025:350:10:49:18] 1d 16:28 7:38 PM Sun 14-Dec
2025:349:00:38:00Load DEC1525A:CL349:0001 [2025:350:10:49:18] 1d 16:28 7:38 PM Sun 14-Dec
2025:349:01:15:57Maneuver to 210.78173 -21.86564 77.945 [2025:349:01:55:30] 1d 17:05 8:15 PM Sun 14-Dec
2025:349:01:50:00Comm pass on DSS-26 (duration 1:00) 1d 17:40 8:50 PM Sun 14-Dec
2025:349:02:00:00ER Obsid: 41880 (3 ksec) Purpose: Perigee Attitude 1d 17:50 9:00 PM Sun 14-Dec
2025:349:05:30:31Maneuver to 151.90000 3.60000 66.511 [2025:349:05:55:30] 1d 21:2012:30 AM Mon 15-Dec
2025:349:06:00:00ER Obsid: 41879 (3 ksec) Purpose: Perigee Attitude 1d 21:50 1:00 AM Mon 15-Dec
2025:349:07:11:01Maneuver to 166.52944 -10.52275 66.034 [2025:349:07:25:30] 1d 23:01 2:11 AM Mon 15-Dec
2025:349:07:30:00ER Obsid: 41878 (0 ksec) Purpose: Perigee Attitude 1d 23:20 2:30 AM Mon 15-Dec
2025:349:07:45:41Maneuver to 269.15561 71.91132 354.004 [2025:349:08:19:49] 1d 23:35 2:45 AM Mon 15-Dec
2025:349:08:24:19ER Obsid: 41877 (0 ksec) Purpose: Perigee Attitude 2d 00:14 3:24 AM Mon 15-Dec
2025:349:09:14:32Maneuver to 86.64385 38.72484 169.981 [2025:349:09:41:01] 2d 01:04 4:14 AM Mon 15-Dec
2025:349:09:15:07Grating: NONE 2d 01:05 4:15 AM Mon 15-Dec
2025:349:09:27:39RADMON Enable 2d 01:17 4:27 AM Mon 15-Dec
2025:349:09:45:31Obsid: 31116 SI: ACIS-S (19 ksec) Target: ZTF J0546+3843 2d 01:35 4:45 AM Mon 15-Dec
2025:349:11:25:00Comm pass on DSS-24 (duration 1:00) 2d 03:15 6:25 AM Mon 15-Dec
2025:349:15:14:41Maneuver to 288.23824 19.77767 329.075 [2025:349:15:52:11] 2d 07:0410:14 AM Mon 15-Dec
2025:349:15:56:41Obsid: 31160 SI: ACIS-S (15 ksec) Target: GRB 221009A 2d 07:4610:56 AM Mon 15-Dec
2025:349:17:50:00Comm pass on DSS-54 (duration 0:55) 2d 09:4012:50 PM Mon 15-Dec
2025:349:20:08:21Maneuver to 81.00528 33.32829 191.620 [2025:349:20:46:19] 2d 11:58 3:08 PM Mon 15-Dec
2025:349:20:50:49Obsid: 32052 SI: ACIS-I (10 ksec) Target: HEP G173.810-01 2d 12:40 3:50 PM Mon 15-Dec
2025:349:23:39:09Maneuver to 288.23578 19.77771 329.492 [2025:350:00:17:08] 2d 15:29 6:39 PM Mon 15-Dec
2025:350:00:21:38Obsid: 31593 SI: ACIS-S (15 ksec) Target: GRB 221009A 2d 16:11 7:21 PM Mon 15-Dec
2025:350:01:15:00Comm pass on DSS-24 (duration 1:00) 2d 17:05 8:15 PM Mon 15-Dec
2025:350:04:31:38Maneuver to 80.72167 33.22096 195.157 [2025:350:05:09:34] 2d 20:2111:31 PM Mon 15-Dec
2025:350:05:14:04Obsid: 32051 SI: ACIS-I (10 ksec) Target: HEP G173.766-01 2d 21:0412:14 AM Tue 16-Dec
2025:350:08:02:24Maneuver to 288.23373 19.77768 329.901 [2025:350:08:40:20] 2d 23:52 3:02 AM Tue 16-Dec

CXO and GOES rates
CXOGOESLimit
HRC shield016250
HRC MCP458930
P4GM---0.06300
P41GM---0.018.47
CXO: from snapshot at 2025:347:04:13:13 (- 3:56)
GOES proxies: scaled 15 min average of GOES-16
Last avgs at HRC: - 0:15   P4GM: - 0:20   P41GM: - 0:15
ACE rates
Value2hr limitOrbital limitHours to
Orbital limit
Current flux15.55000012000> 30
2hr avg flux17.95000012000> 30
Orbital fluence9.3x105---2.0x109---
ACE data from 2025:347:07:55:00 (- 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 11/2100Z to 12/2100Z: The geomagnetic field has been at unsettled to minor storm levels for the past 24 hours. Solar wind speed reached a peak of 509 km/s at 12/0240Z. Total IMF reached 14 nT at 12/2052Z. The maximum southward component of Bz reached -14 nT at 12/2051Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 1078 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to minor storm levels on day one (13 Dec), quiet to active levels on day two (14 Dec) and quiet levels on day three (15 Dec).
Solar ActivityAnalysis of Solar Active Regions and Activity from 11/2100Z to 12/2100Z: Solar activity has been at moderate levels for the past 24 hours. There are currently 7 numbered sunspot regions on the disk. IB. Solar Activity Forecast: Solar activity is likely to be moderate on day one (13 Dec) and expected to be low with a chance for M-class flares on days two and three (14 Dec, 15 Dec).

Solar X-ray Activity

Solar Wind Data ( SOHO ACE )

Solar Flare Monitor