Page content updated: 2026:083:14:48:00 ( 10:48 AM Tue 24-Mar )

Key Snapshot and SOH Values (Δt = - 3:22)
Obsid31551
Format2_NORM
RadMonENAB
CPE StatusNORM
RA83.879
Dec-69.237
Roll256.011
Pitch87.70
Sim Z75624
Sim Focus-467
HETG angle5.59
LETG angle76.09
SCS 107INAC
SCS 128ACT
SCS 129ACT
SCS 130ACT
RadMonENAB
SCS 131ACT
SCS 132ACT
SCS 133ACT
Snapshot from 2026:083:11:25:45 (Δt = - 3:22)

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)
2026:083:03:00:00Comm pass on DSS-65 (duration 0:45)-11:4811:00 PM Mon 23-Mar
2026:083:05:26:41Maneuver to 150.18741 1.94150 269.000 [2026:083:05:59:41]- 9:21 1:26 AM Tue 24-Mar
2026:083:06:04:11Obsid: 32189 SI: ACIS-I (10 ksec) Target: Center of COSMO - 8:43 2:04 AM Tue 24-Mar
2026:083:08:54:31Load MAR2326A:CL083:0801 [2026:083:16:59:59]- 5:53 4:54 AM Tue 24-Mar
2026:083:08:54:31Load MAR2326A:CL083:0801 [2026:083:16:59:59]- 5:53 4:54 AM Tue 24-Mar
2026:083:08:56:31Momentum Monitor Disable- 5:51 4:56 AM Tue 24-Mar
2026:083:08:57:31Maneuver to 83.86881 -69.23937 256.002 [2026:083:09:28:24]- 5:50 4:57 AM Tue 24-Mar
2026:083:09:01:06Grating: HETG- 5:46 5:01 AM Tue 24-Mar
2026:083:09:32:54Obsid: 31551 SI: ACIS-S (29 ksec) Target: SNR 1987A - 5:15 5:32 AM Tue 24-Mar
2026:083:09:34:54Momentum Monitor Enable- 5:13 5:34 AM Tue 24-Mar
2026:083:10:00:00Comm pass on DSS-24 (duration 1:30)- 4:48 6:00 AM Tue 24-Mar
2026:083:14:48:00--------------- NOW --------------- 0:0010:48 AM Tue 24-Mar
2026:083:17:00:00Load MAR2426A:CL083:1702 [2026:084:20:39:05] 2:12 1:00 PM Tue 24-Mar
2026:083:17:00:00Load MAR2426A:CL083:1702 [2026:084:20:39:05] 2:12 1:00 PM Tue 24-Mar
2026:083:17:36:13Maneuver to 189.70000 88.09000 170.000 [2026:083:18:22:43] 2:48 1:36 PM Tue 24-Mar
2026:083:18:27:13ER Obsid: 41605 (0 ksec) Purpose: Intermediate Attitud 3:39 2:27 PM Tue 24-Mar
2026:083:18:41:54Momentum Monitor Disable 3:53 2:41 PM Tue 24-Mar
2026:083:18:42:54Maneuver to 188.99705 27.93690 168.958 [2026:083:19:07:16] 3:54 2:42 PM Tue 24-Mar
2026:083:18:43:28Grating: NONE 3:55 2:43 PM Tue 24-Mar
2026:083:19:11:46Obsid: 31041 SI: ACIS-S (23 ksec) Target: At 2016blu 4:23 3:11 PM Tue 24-Mar
2026:083:19:13:46Momentum Monitor Enable 4:25 3:13 PM Tue 24-Mar
2026:084:01:46:16Maneuver to 95.02864 54.80728 268.061 [2026:084:02:13:44] 10:58 9:46 PM Tue 24-Mar
2026:084:02:18:14Obsid: 32252 SI: ACIS-S (14 ksec) Target: MASTER J0620+54 11:3010:18 PM Tue 24-Mar
2026:084:02:30:00Comm pass on DSS-65 (duration 1:30) 11:4210:30 PM Tue 24-Mar
2026:084:06:11:34Maneuver to 188.99563 27.93700 169.873 [2026:084:06:38:58] 15:23 2:11 AM Wed 25-Mar
2026:084:06:43:28Obsid: 32254 SI: ACIS-S (16 ksec) Target: At 2016blu 15:55 2:43 AM Wed 25-Mar
2026:084:11:17:28Momentum Monitor Disable 20:29 7:17 AM Wed 25-Mar
2026:084:11:18:28Maneuver to 187.48770 4.16400 150.427 [2026:084:11:36:04] 20:30 7:18 AM Wed 25-Mar
2026:084:11:22:02Grating: HETG 20:34 7:22 AM Wed 25-Mar
2026:084:11:24:05RADMON Disable 20:36 7:24 AM Wed 25-Mar
2026:084:11:40:34ER Obsid: 41604 (3 ksec) Purpose: Perigee Attitude 20:52 7:40 AM Wed 25-Mar
2026:084:11:42:34Momentum Monitor Enable 20:54 7:42 AM Wed 25-Mar
2026:084:12:30:34Maneuver to 189.93700 -5.60200 56.730 [2026:084:13:02:30] 21:42 8:30 AM Wed 25-Mar
2026:084:13:07:00ER Obsid: 41603 (0 ksec) Purpose: Perigee Attitude 22:19 9:07 AM Wed 25-Mar
2026:084:14:08:13Maneuver to 313.62900 -22.46000 109.391 [2026:084:14:45:30] 23:2010:08 AM Wed 25-Mar
2026:084:14:50:00ER Obsid: 41602 (3 ksec) Purpose: Perigee Attitude 1d 00:0210:50 AM Wed 25-Mar
2026:084:18:34:50Maneuver to 313.62900 -22.46000 109.380 [2026:084:18:38:50] 1d 03:46 2:34 PM Wed 25-Mar
2026:084:18:38:50ER Obsid: 41601 (0 ksec) Purpose: Perigee Attitude 1d 03:50 2:38 PM Wed 25-Mar
2026:084:18:48:12Maneuver to 189.91100 -5.59600 56.341 [2026:084:19:25:30] 1d 04:00 2:48 PM Wed 25-Mar
2026:084:19:08:23Sun Position Monitor Disable 1d 04:20 3:08 PM Wed 25-Mar
2026:084:19:17:49Sun Position Monitor Enable 1d 04:29 3:17 PM Wed 25-Mar
2026:084:19:30:00ER Obsid: 41600 (0 ksec) Purpose: Perigee Attitude 1d 04:42 3:30 PM Wed 25-Mar
2026:084:19:45:41Maneuver to 180.37800 3.47600 217.024 [2026:084:20:32:27] 1d 04:57 3:45 PM Wed 25-Mar
2026:084:20:36:57ER Obsid: 41599 (0 ksec) Purpose: Perigee Attitude 1d 05:48 4:36 PM Wed 25-Mar
2026:084:20:49:05Load MAR2426A:CL084:2002 [2026:086:04:43:29] 1d 06:01 4:49 PM Wed 25-Mar
2026:084:20:49:05Load MAR2426A:CL084:2002 [2026:086:04:43:29] 1d 06:01 4:49 PM Wed 25-Mar
2026:084:22:06:16Momentum Monitor Disable 1d 07:18 6:06 PM Wed 25-Mar
2026:084:22:07:16Maneuver to 35.59474 42.34278 316.920 [2026:084:22:45:52] 1d 07:19 6:07 PM Wed 25-Mar
2026:084:22:07:50Grating: NONE 1d 07:19 6:07 PM Wed 25-Mar
2026:084:22:28:04RADMON Enable 1d 07:40 6:28 PM Wed 25-Mar
2026:084:22:50:22Obsid: 29828 SI: ACIS-S (15 ksec) Target: SN 1986J 1d 08:02 6:50 PM Wed 25-Mar
2026:084:22:52:22Momentum Monitor Enable 1d 08:04 6:52 PM Wed 25-Mar
2026:085:03:00:22Maneuver to 95.02620 54.80991 268.585 [2026:085:03:20:14] 1d 12:1211:00 PM Wed 25-Mar
2026:085:03:24:44Obsid: 32258 SI: ACIS-S (12 ksec) Target: MASTER J0620+54 1d 12:3611:24 PM Wed 25-Mar
2026:085:03:50:00Comm pass on DSS-65 (duration 1:30) 1d 13:0211:50 PM Wed 25-Mar
2026:085:06:48:04Maneuver to 188.99826 27.94023 174.986 [2026:085:07:15:11] 1d 16:00 2:48 AM Thu 26-Mar
2026:085:07:19:41Obsid: 32255 SI: ACIS-S (24 ksec) Target: At 2016blu 1d 16:31 3:19 AM Thu 26-Mar
2026:085:11:55:00Comm pass on DSS-26 (duration 1:00) 1d 21:07 7:55 AM Thu 26-Mar
2026:085:14:00:51Maneuver to 92.24416 -0.44213 275.000 [2026:085:14:37:01] 1d 23:1210:00 AM Thu 26-Mar
2026:085:14:41:31Obsid: 32253 SI: ACIS-S (12 ksec) Target: Gaia DR2 312226 1d 23:5310:41 AM Thu 26-Mar
2026:085:18:09:51Maneuver to 188.99686 27.93977 174.986 [2026:085:18:46:01] 2d 03:21 2:09 PM Thu 26-Mar
2026:085:18:50:31Obsid: 32256 SI: ACIS-S (16 ksec) Target: At 2016blu 2d 04:02 2:50 PM Thu 26-Mar
2026:085:23:17:11Maneuver to 92.24483 -0.44329 275.000 [2026:085:23:53:21] 2d 08:29 7:17 PM Thu 26-Mar
2026:085:23:57:51Obsid: 32259 SI: ACIS-S (12 ksec) Target: Gaia DR2 312226 2d 09:09 7:57 PM Thu 26-Mar
2026:086:01:05:00Comm pass on DSS-54 (duration 1:30) 2d 10:17 9:05 PM Thu 26-Mar
2026:086:03:26:11Maneuver to 188.99508 27.94063 177.987 [2026:086:04:02:04] 2d 12:3811:26 PM Thu 26-Mar
2026:086:04:06:34Obsid: 32257 SI: ACIS-S (16 ksec) Target: At 2016blu 2d 13:1812:06 AM Fri 27-Mar
2026:086:08:30:14Load MAR2426A:CL086:0802 [2026:087:19:49:45] 2d 17:42 4:30 AM Fri 27-Mar
2026:086:08:30:14Load MAR2426A:CL086:0802 [2026:087:19:49:45] 2d 17:42 4:30 AM Fri 27-Mar
2026:086:08:32:14Momentum Monitor Disable 2d 17:44 4:32 AM Fri 27-Mar
2026:086:08:33:14Maneuver to 63.62070 23.59106 281.607 [2026:086:09:08:15] 2d 17:45 4:33 AM Fri 27-Mar
2026:086:09:14:45Momentum Monitor Enable 2d 18:26 5:14 AM Fri 27-Mar
2026:086:09:15:39Obsid: 31057 SI: HRC-I (5 ksec) Target: HD 26736 2d 18:27 5:15 AM Fri 27-Mar
2026:086:10:45:00Comm pass on DSS-26 (duration 1:00) 2d 19:57 6:45 AM Fri 27-Mar
2026:086:10:47:19Maneuver to 65.13142 70.56324 298.606 [2026:086:11:09:28] 2d 19:59 6:47 AM Fri 27-Mar
2026:086:11:09:28ER Obsid: 41598 (0 ksec) Purpose: Intermediate Attitud 2d 20:21 7:09 AM Fri 27-Mar
2026:086:11:13:28Momentum Monitor Disable 2d 20:25 7:13 AM Fri 27-Mar
2026:086:11:14:28Maneuver to 258.24343 64.04190 107.099 [2026:086:11:35:32] 2d 20:26 7:14 AM Fri 27-Mar
2026:086:11:40:02Obsid: 30025 SI: ACIS-I (21 ksec) Target: Abell 2255 2d 20:52 7:40 AM Fri 27-Mar
2026:086:11:42:02Momentum Monitor Enable 2d 20:54 7:42 AM Fri 27-Mar

CXO and GOES rates
CXOGOESLimit
HRC shield017250
HRC MCP382430
P4GM---0.04300
P41GM---0.018.47
CXO: from snapshot at 2026:083:11:25:45 (- 3:22)
GOES proxies: scaled 15 min average of GOES-16
Last avgs at HRC: - 0:18   P4GM: - 0:20   P41GM: - 0:15
ACE rates
Value2hr limitOrbital limitHours to
Orbital limit
Current flux62.15000012000> 30
2hr avg flux69.95000012000> 30
Orbital fluence4.6x107---2.0x109---
ACE data from 2026:083:14:35:00 (- 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 22/2100Z to 23/2100Z: The geomagnetic field has been at quiet to major storm levels for the past 24 hours. Solar wind speed reached a peak of 766 km/s at 23/0705Z. Total IMF reached 7 nT at 22/2106Z. The maximum southward component of Bz reached -5 nT at 22/2238Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 8285 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to minor storm levels on day one (24 Mar) and quiet to active levels on days two and three (25 Mar, 26 Mar).
Solar ActivityAnalysis of Solar Active Regions and Activity from 22/2100Z to 23/2100Z: Solar activity has been at low levels for the past 24 hours. There are currently 7 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 (24 Mar, 25 Mar, 26 Mar).

Solar X-ray Activity

Solar Wind Data ( SOHO ACE )

Solar Flare Monitor