Page content updated: 2025:259:18:04:01 ( 2:04 PM Tue 16-Sep )

Key Snapshot and SOH Values (Δt = - 6:53)
Obsid42122
Format2_NORM
RadMonDISA
CPE StatusNORM
RA125.002
Dec-1.000
Roll94.347
Pitch48.88
Sim Z-99616
Sim Focus-467
HETG angle5.96
LETG angle76.09
SCS 107INAC
SCS 128ACT
SCS 129ACT
SCS 130ACT
RadMonDISA
SCS 131ACT
SCS 132ACT
SCS 133ACT
Snapshot from 2025:259:11:10:47 (Δt = - 6:53)

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)
2025:259:07:00:52Maneuver to 77.00000 45.00000 96.749 [2025:259:07:30:30]-11:03 3:00 AM Tue 16-Sep
2025:259:07:35:00ER Obsid: 42123 (1 ksec) Purpose: Perigee Attitude -10:29 3:35 AM Tue 16-Sep
2025:259:08:20:04Maneuver to 125.00000 -1.00000 94.347 [2025:259:08:45:30]- 9:43 4:20 AM Tue 16-Sep
2025:259:08:50:00ER Obsid: 42122 (2 ksec) Purpose: Perigee Attitude - 9:14 4:50 AM Tue 16-Sep
2025:259:10:15:00Comm pass on DSS-65 (duration 1:00)- 7:49 6:15 AM Tue 16-Sep
2025:259:11:00:48Load SEP1525A:CL259:1101 [2025:260:19:30:02]- 7:03 7:00 AM Tue 16-Sep
2025:259:11:00:48Load SEP1525A:CL259:1101 [2025:260:19:30:02]- 7:03 7:00 AM Tue 16-Sep
2025:259:11:13:47Maneuver to 216.50000 -26.50000 241.321 [2025:259:11:55:30]- 6:50 7:13 AM Tue 16-Sep
2025:259:12:00:00ER Obsid: 42121 (2 ksec) Purpose: Perigee Attitude - 6:04 8:00 AM Tue 16-Sep
2025:259:13:20:26Maneuver to 349.31149 -4.60733 293.346 [2025:259:13:59:14]- 4:43 9:20 AM Tue 16-Sep
2025:259:13:21:00Grating: NONE- 4:43 9:21 AM Tue 16-Sep
2025:259:13:45:52RADMON Enable- 4:18 9:45 AM Tue 16-Sep
2025:259:14:03:44Obsid: 29960 SI: ACIS-S (23 ksec) Target: 6dFGS gJ231719. - 4:0010:03 AM Tue 16-Sep
2025:259:18:04:01--------------- NOW --------------- 0:00 2:04 PM Tue 16-Sep
2025:259:18:55:00Comm pass on DSS-54 (duration 1:00) 0:50 2:55 PM Tue 16-Sep
2025:259:20:29:00Maneuver to 248.05724 -67.43632 253.992 [2025:259:21:01:33] 2:24 4:29 PM Tue 16-Sep
2025:259:20:32:34Grating: HETG 2:28 4:32 PM Tue 16-Sep
2025:259:21:13:01Obsid: 30531 SI: HRC-I (14 ksec) Target: 4U 1626-67 3:09 5:13 PM Tue 16-Sep
2025:259:23:45:00Comm pass on DSS-65 (duration 1:00) 5:40 7:45 PM Tue 16-Sep
2025:260:01:06:21Maneuver to 39.97462 -1.60500 91.672 [2025:260:01:43:40] 7:02 9:06 PM Tue 16-Sep
2025:260:01:07:09Grating: NONE 7:03 9:07 PM Tue 16-Sep
2025:260:01:48:10Obsid: 28625 SI: ACIS-I (16 ksec) Target: Abell 370 7:44 9:48 PM Tue 16-Sep
2025:260:06:14:50Maneuver to 83.88264 -69.29724 90.013 [2025:260:06:43:34] 12:10 2:14 AM Wed 17-Sep
2025:260:06:18:24Grating: HETG 12:14 2:18 AM Wed 17-Sep
2025:260:06:48:04Obsid: 29803 SI: ACIS-S (56 ksec) Target: SNR 1987A 12:44 2:48 AM Wed 17-Sep
2025:260:17:45:00Comm pass on DSS-65 (duration 1:20) 23:40 1:45 PM Wed 17-Sep
2025:260:22:18:24Load SEP1525A:CL260:2201 [2025:262:08:58:58] 1d 04:14 6:18 PM Wed 17-Sep
2025:260:22:18:24Load SEP1525A:CL260:2201 [2025:262:08:58:58] 1d 04:14 6:18 PM Wed 17-Sep
2025:260:22:21:24Maneuver to 49.93625 41.55680 116.692 [2025:260:22:58:43] 1d 04:17 6:21 PM Wed 17-Sep
2025:260:22:24:58Grating: NONE 1d 04:20 6:24 PM Wed 17-Sep
2025:260:23:03:13Obsid: 29627 SI: ACIS-I (10 ksec) Target: Perseus Cluster 1d 04:59 7:03 PM Wed 17-Sep
2025:261:01:49:53Maneuver to 1.50346 0.46065 111.530 [2025:261:02:15:11] 1d 07:45 9:49 PM Wed 17-Sep
2025:261:02:19:41Obsid: 31869 SI: ACIS-S (15 ksec) Target: SDSSJ000557.23+ 1d 08:1510:19 PM Wed 17-Sep
2025:261:03:00:00Comm pass on DSS-24 (duration 1:00) 1d 08:5511:00 PM Wed 17-Sep
2025:261:06:29:41Maneuver to 75.29337 45.26130 98.678 [2025:261:06:58:40] 1d 12:25 2:29 AM Thu 18-Sep
2025:261:07:12:06Obsid: 29812 SI: HRC-I (12 ksec) Target: SGR 0501 1d 13:08 3:12 AM Thu 18-Sep
2025:261:10:32:06Maneuver to 23.48603 30.65080 135.804 [2025:261:10:52:36] 1d 16:28 6:32 AM Thu 18-Sep
2025:261:10:32:54Grating: HETG 1d 16:28 6:32 AM Thu 18-Sep
2025:261:10:57:06Obsid: 30595 SI: ACIS-S (15 ksec) Target: M33 X-8 1d 16:53 6:57 AM Thu 18-Sep
2025:261:15:14:25Maneuver to 356.70000 0.70000 162.923 [2025:261:15:35:09] 1d 21:1011:14 AM Thu 18-Sep
2025:261:15:19:59RADMON Disable 1d 21:1511:19 AM Thu 18-Sep
2025:261:15:39:39ER Obsid: 42120 (2 ksec) Purpose: Perigee Attitude 1d 21:3511:39 AM Thu 18-Sep
2025:261:17:16:04Maneuver to 134.00000 35.00000 59.049 [2025:261:17:55:30] 1d 23:12 1:16 PM Thu 18-Sep
2025:261:17:55:00Comm pass on DSS-54 (duration 1:00) 1d 23:50 1:55 PM Thu 18-Sep
2025:261:18:00:00ER Obsid: 42119 (3 ksec) Purpose: Perigee Attitude 1d 23:55 2:00 PM Thu 18-Sep
2025:261:19:15:59Maneuver to 356.70000 0.70000 166.429 [2025:261:19:55:30] 2d 01:11 3:15 PM Thu 18-Sep
2025:261:20:00:00ER Obsid: 42118 (2 ksec) Purpose: Perigee Attitude 2d 01:55 4:00 PM Thu 18-Sep
2025:261:22:25:10Maneuver to 77.00000 45.00000 97.720 [2025:261:22:55:30] 2d 04:21 6:25 PM Thu 18-Sep
2025:261:23:00:00ER Obsid: 42117 (2 ksec) Purpose: Perigee Attitude 2d 04:55 7:00 PM Thu 18-Sep
2025:261:23:50:12Maneuver to 125.00000 -1.00000 92.851 [2025:262:00:15:30] 2d 05:46 7:50 PM Thu 18-Sep
2025:262:00:20:00ER Obsid: 42116 (2 ksec) Purpose: Perigee Attitude 2d 06:15 8:20 PM Thu 18-Sep
2025:262:01:33:51Maneuver to 134.00000 35.00000 59.221 [2025:262:01:55:30] 2d 07:29 9:33 PM Thu 18-Sep
2025:262:02:00:00ER Obsid: 42115 (1 ksec) Purpose: Perigee Attitude 2d 07:5510:00 PM Thu 18-Sep
2025:262:02:30:58Maneuver to 356.70000 0.70000 167.000 [2025:262:03:10:30] 2d 08:2610:30 PM Thu 18-Sep
2025:262:03:15:00ER Obsid: 42114 (1 ksec) Purpose: Perigee Attitude 2d 09:1011:15 PM Thu 18-Sep
2025:262:03:15:00Comm pass on DSS-24 (duration 0:45) 2d 09:1011:15 PM Thu 18-Sep
2025:262:03:49:27Maneuver to 356.00000 0.50000 192.346 [2025:262:04:05:30] 2d 09:4511:49 PM Thu 18-Sep
2025:262:04:10:00ER Obsid: 42113 (1 ksec) Purpose: Perigee Attitude 2d 10:0512:10 AM Fri 19-Sep
2025:262:04:58:31Maneuver to 205.00429 41.25451 319.023 [2025:262:05:38:40] 2d 10:5412:58 AM Fri 19-Sep
2025:262:04:59:06Grating: NONE 2d 10:5512:59 AM Fri 19-Sep
2025:262:05:25:18RADMON Enable 2d 11:21 1:25 AM Fri 19-Sep
2025:262:05:43:10Obsid: 29934 SI: ACIS-S (23 ksec) Target: SDSS J134009.43 2d 11:39 1:43 AM Fri 19-Sep
2025:262:12:03:30Load SEP1525A:CL262:1201 [2025:263:23:32:22] 2d 17:59 8:03 AM Fri 19-Sep
2025:262:12:03:30Load SEP1525A:CL262:1201 [2025:263:23:32:22] 2d 17:59 8:03 AM Fri 19-Sep
2025:262:12:06:30Maneuver to 50.02532 41.43178 117.290 [2025:262:12:38:39] 2d 18:02 8:06 AM Fri 19-Sep
2025:262:12:43:09Obsid: 29628 SI: ACIS-I (9 ksec) Target: Perseus Cluster 2d 18:39 8:43 AM Fri 19-Sep
2025:262:15:21:29Maneuver to 49.95371 41.53015 117.438 [2025:262:15:26:01] 2d 21:1711:21 AM Fri 19-Sep
2025:262:15:42:20Obsid: 29629 SI: ACIS-S (9 ksec) Target: Perseus Cluster 2d 21:3811:42 AM Fri 19-Sep

CXO and GOES rates
CXOGOESLimit
HRC shield016250
HRC MCP535430
P4GM---0.04300
P41GM---0.018.47
CXO: from snapshot at 2025:259:11:10:47 (- 6:53)
RadMon: DISABLED
GOES proxies: scaled 15 min average of GOES-16
Last avgs at HRC: - 0:19   P4GM: - 0:19   P41GM: - 0:16
ACE rates
Value2hr limitOrbital limitHours to
Orbital limit
Current flux80.75000012000> 30
2hr avg flux4595000012000> 30
Orbital fluence4.4x106---2.0x109---
ACE data from 2025:259:17:45:00 (- 0:19)
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 14/2100Z to 15/2100Z: The geomagnetic field has been at active to severe storm levels for the past 24 hours. Solar wind speed reached a peak of 823 km/s at 15/0553Z. Total IMF reached 19 nT at 14/2232Z. The maximum southward component of Bz reached -16 nT at 14/2338Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 417 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to minor storm levels on day one (16 Sep), quiet to active levels on day two (17 Sep) and quiet to unsettled levels on day three (18 Sep).
Solar ActivityAnalysis of Solar Active Regions and Activity from 14/2100Z to 15/2100Z: 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 (16 Sep, 17 Sep, 18 Sep).

Solar X-ray Activity

Solar Wind Data ( SOHO ACE )

Solar Flare Monitor