Page content updated: 2026:089:22:09:00 ( 6:09 PM Mon 30-Mar )

Key Snapshot and SOH Values (Δt = - 1:27)
Obsid41587
Format2_NORM
RadMonDISA
CPE StatusNORM
RA324.002
Dec26.001
Roll70.583
Pitch48.20
Sim Z-99616
Sim Focus-467
HETG angle5.59
LETG angle76.09
SCS 107INAC
SCS 128ACT
SCS 129ACT
SCS 130ACT
RadMonDISA
SCS 131ACT
SCS 132ACT
SCS 133ACT
Snapshot from 2026:089:20:41:14 (Δt = - 1:27)

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)
2026:089:11:10:00Comm pass on DSS-24 (duration 1:00)-10:59 7:10 AM Mon 30-Mar
2026:089:18:00:36Maneuver to 191.50000 -1.40000 133.636 [2026:089:18:27:04]- 4:08 2:00 PM Mon 30-Mar
2026:089:18:04:11Grating: HETG- 4:04 2:04 PM Mon 30-Mar
2026:089:18:06:14RADMON Disable- 4:02 2:06 PM Mon 30-Mar
2026:089:18:31:34ER Obsid: 41588 (2 ksec) Purpose: Perigee Attitude - 3:37 2:31 PM Mon 30-Mar
2026:089:19:30:58Maneuver to 324.00000 26.00000 70.584 [2026:089:20:10:30]- 2:38 3:30 PM Mon 30-Mar
2026:089:19:45:00Comm pass on DSS-34 (duration 1:00)- 2:24 3:45 PM Mon 30-Mar
2026:089:20:15:00ER Obsid: 41587 (1 ksec) Purpose: Perigee Attitude - 1:54 4:15 PM Mon 30-Mar
2026:089:20:51:46Maneuver to 349.50000 -41.30000 153.579 [2026:089:21:25:30]- 1:17 4:51 PM Mon 30-Mar
2026:089:21:30:00ER Obsid: 41586 (1 ksec) Purpose: Perigee Attitude - 0:39 5:30 PM Mon 30-Mar
2026:089:22:09:00--------------- NOW --------------- 0:00 6:09 PM Mon 30-Mar
2026:089:22:15:50Maneuver to 190.50000 -6.20000 31.726 [2026:089:22:55:30] 0:06 6:15 PM Mon 30-Mar
2026:089:23:00:00ER Obsid: 41585 (2 ksec) Purpose: Perigee Attitude 0:51 7:00 PM Mon 30-Mar
2026:089:23:38:36Maneuver to 230.00000 -0.90000 94.974 [2026:090:00:05:30] 1:29 7:38 PM Mon 30-Mar
2026:090:00:10:00ER Obsid: 41584 (2 ksec) Purpose: Perigee Attitude 2:01 8:10 PM Mon 30-Mar
2026:090:00:53:48Maneuver to 323.00000 23.00000 73.991 [2026:090:01:25:30] 2:44 8:53 PM Mon 30-Mar
2026:090:01:20:00Comm pass on DSS-26 (duration 1:00) 3:11 9:20 PM Mon 30-Mar
2026:090:01:30:00ER Obsid: 41583 (1 ksec) Purpose: Perigee Attitude 3:21 9:30 PM Mon 30-Mar
2026:090:01:56:35Maneuver to 55.20000 22.50000 285.676 [2026:090:02:35:30] 3:47 9:56 PM Mon 30-Mar
2026:090:02:40:00ER Obsid: 41582 (1 ksec) Purpose: Perigee Attitude 4:3110:40 PM Mon 30-Mar
2026:090:03:00:57Maneuver to 185.20000 -3.70000 259.000 [2026:090:03:40:30] 4:5111:00 PM Mon 30-Mar
2026:090:03:45:00ER Obsid: 41581 (1 ksec) Purpose: Perigee Attitude 5:3611:45 PM Mon 30-Mar
2026:090:04:06:25Maneuver to 49.82064 41.51666 300.015 [2026:090:04:46:01] 5:5712:06 AM Tue 31-Mar
2026:090:04:07:00Grating: NONE 5:5812:07 AM Tue 31-Mar
2026:090:04:28:13RADMON Enable 6:1912:28 AM Tue 31-Mar
2026:090:04:50:31Obsid: 30335 SI: ACIS-I (12 ksec) Target: Perseus cluster 6:4112:50 AM Tue 31-Mar
2026:090:08:18:51Maneuver to 187.91082 3.94860 191.016 [2026:090:08:56:47] 10:09 4:18 AM Tue 31-Mar
2026:090:09:01:17Obsid: 29656 SI: ACIS-S (10 ksec) Target: NGC4496A 10:52 5:01 AM Tue 31-Mar
2026:090:10:20:00Comm pass on DSS-26 (duration 1:00) 12:11 6:20 AM Tue 31-Mar
2026:090:10:20:00Load MAR3026A:CL090:1001 [2026:091:21:25:13] 12:11 6:20 AM Tue 31-Mar
2026:090:10:20:00Load MAR3026A:CL090:1001 [2026:091:21:25:13] 12:11 6:20 AM Tue 31-Mar
2026:090:11:47:57Maneuver to 49.81810 41.51798 300.017 [2026:090:12:25:54] 13:38 7:47 AM Tue 31-Mar
2026:090:12:30:24Obsid: 32268 SI: ACIS-I (17 ksec) Target: Perseus cluster 14:21 8:30 AM Tue 31-Mar
2026:090:17:22:04Maneuver to 187.91236 3.94997 193.258 [2026:090:17:59:59] 19:13 1:22 PM Tue 31-Mar
2026:090:18:04:29Obsid: 32262 SI: ACIS-S (10 ksec) Target: NGC4496A 19:55 2:04 PM Tue 31-Mar
2026:090:20:25:00Comm pass on DSS-54 (duration 1:00) 22:16 4:25 PM Tue 31-Mar
2026:090:20:51:09Maneuver to 49.81574 41.51922 300.019 [2026:090:21:29:04] 22:42 4:51 PM Tue 31-Mar
2026:090:21:33:34Obsid: 32269 SI: ACIS-I (17 ksec) Target: Perseus cluster 23:24 5:33 PM Tue 31-Mar
2026:091:02:20:00Comm pass on DSS-56 (duration 1:00) 1d 04:1110:20 PM Tue 31-Mar
2026:091:02:30:14Maneuver to 187.91344 3.95117 195.360 [2026:091:03:08:07] 1d 04:2110:30 PM Tue 31-Mar
2026:091:03:12:37Obsid: 32263 SI: ACIS-S (10 ksec) Target: NGC4496A 1d 05:0311:12 PM Tue 31-Mar
2026:091:05:59:17Maneuver to 49.81368 41.51977 301.020 [2026:091:06:37:11] 1d 07:50 1:59 AM Wed 01-Apr
2026:091:06:41:41Obsid: 32270 SI: ACIS-I (17 ksec) Target: Perseus cluster 1d 08:32 2:41 AM Wed 01-Apr
2026:091:10:10:00Comm pass on DSS-24 (duration 1:00) 1d 12:01 6:10 AM Wed 01-Apr
2026:091:11:33:21Maneuver to 187.91412 3.95213 197.285 [2026:091:12:11:13] 1d 13:24 7:33 AM Wed 01-Apr
2026:091:12:15:43Obsid: 32264 SI: ACIS-S (10 ksec) Target: NGC4496A 1d 14:06 8:15 AM Wed 01-Apr
2026:091:15:02:23Maneuver to 49.81229 41.52047 301.021 [2026:091:15:40:16] 1d 16:5311:02 AM Wed 01-Apr
2026:091:15:44:46Obsid: 32271 SI: ACIS-I (17 ksec) Target: Perseus cluster 1d 17:3511:44 AM Wed 01-Apr
2026:091:18:40:00Comm pass on DSS-36 (duration 1:00) 1d 20:31 2:40 PM Wed 01-Apr
2026:091:20:36:26Maneuver to 187.91451 3.95290 199.060 [2026:091:21:14:17] 1d 22:27 4:36 PM Wed 01-Apr
2026:091:21:18:47Obsid: 32265 SI: ACIS-S (10 ksec) Target: NGC4496A 1d 23:09 5:18 PM Wed 01-Apr
2026:092:00:02:27Load MAR3026A:CL092:0001 [2026:093:11:25:15] 2d 01:53 8:02 PM Wed 01-Apr
2026:092:00:02:27Load MAR3026A:CL092:0001 [2026:093:11:25:15] 2d 01:53 8:02 PM Wed 01-Apr
2026:092:00:05:27Maneuver to 49.81098 41.52057 302.022 [2026:092:00:43:19] 2d 01:56 8:05 PM Wed 01-Apr
2026:092:00:47:49Obsid: 32272 SI: ACIS-I (17 ksec) Target: Perseus cluster 2d 02:38 8:47 PM Wed 01-Apr
2026:092:05:31:09Maneuver to 135.31951 18.63516 252.653 [2026:092:05:58:42] 2d 07:22 1:31 AM Thu 02-Apr
2026:092:06:03:12Obsid: 31152 SI: ACIS-S (12 ksec) Target: AT2026dbl 2d 07:54 2:03 AM Thu 02-Apr
2026:092:08:25:00Comm pass on DSS-65 (duration 0:45) 2d 10:16 4:25 AM Thu 02-Apr
2026:092:09:32:45Maneuver to 189.50000 -0.40000 202.426 [2026:092:09:59:01] 2d 11:23 5:32 AM Thu 02-Apr
2026:092:09:36:20Grating: HETG 2d 11:27 5:36 AM Thu 02-Apr
2026:092:09:38:23RADMON Disable 2d 11:29 5:38 AM Thu 02-Apr
2026:092:10:03:31ER Obsid: 41580 (3 ksec) Purpose: Perigee Attitude 2d 11:54 6:03 AM Thu 02-Apr
2026:092:11:16:26Maneuver to 49.00000 41.00000 306.736 [2026:092:11:55:30] 2d 13:07 7:16 AM Thu 02-Apr
2026:092:12:00:00ER Obsid: 41579 (3 ksec) Purpose: Perigee Attitude 2d 13:51 8:00 AM Thu 02-Apr
2026:092:13:05:46Maneuver to 343.00000 -35.00000 140.322 [2026:092:13:55:30] 2d 14:56 9:05 AM Thu 02-Apr
2026:092:14:00:00ER Obsid: 41578 (3 ksec) Purpose: Perigee Attitude 2d 15:5110:00 AM Thu 02-Apr
2026:092:15:23:25Maneuver to 212.00000 -37.00000 35.251 [2026:092:15:55:30] 2d 17:1411:23 AM Thu 02-Apr
2026:092:16:00:00ER Obsid: 41577 (1 ksec) Purpose: Perigee Attitude 2d 17:5112:00 PM Thu 02-Apr
2026:092:16:28:17Maneuver to 25.00000 -71.00000 193.759 [2026:092:16:55:30] 2d 18:1912:28 PM Thu 02-Apr
2026:092:17:00:00ER Obsid: 41576 (1 ksec) Purpose: Perigee Attitude 2d 18:51 1:00 PM Thu 02-Apr
2026:092:17:22:49Maneuver to 107.00000 52.00000 262.696 [2026:092:18:04:30] 2d 19:13 1:22 PM Thu 02-Apr
2026:092:18:09:00ER Obsid: 41575 (1 ksec) Purpose: Perigee Attitude 2d 20:00 2:09 PM Thu 02-Apr
2026:092:18:25:00Comm pass on DSS-54 (duration 1:00) 2d 20:16 2:25 PM Thu 02-Apr
2026:092:18:31:27Maneuver to 191.00000 -0.85000 188.990 [2026:092:19:02:30] 2d 20:22 2:31 PM Thu 02-Apr
2026:092:19:07:00ER Obsid: 41574 (1 ksec) Purpose: Perigee Attitude 2d 20:58 3:07 PM Thu 02-Apr
2026:092:19:26:52Maneuver to 49.81288 41.51913 303.020 [2026:092:20:06:10] 2d 21:17 3:26 PM Thu 02-Apr
2026:092:19:27:26Grating: NONE 2d 21:18 3:27 PM Thu 02-Apr
2026:092:19:48:22RADMON Enable 2d 21:39 3:48 PM Thu 02-Apr
2026:092:20:10:40Obsid: 32273 SI: ACIS-I (10 ksec) Target: Perseus cluster 2d 22:01 4:10 PM Thu 02-Apr

CXO and GOES rates
CXOGOESLimit
HRC shield016250
HRC MCP637430
P4GM---0.03300
P41GM---0.008.47
CXO: from snapshot at 2026:089:20:41:14 (- 1:27)
RadMon: DISABLED
GOES proxies: scaled 15 min average of GOES-16
Last avgs at HRC: - 0:14   P4GM: - 0:14   P41GM: - 0:14
ACE rates
Value2hr limitOrbital limitHours to
Orbital limit
Current flux22.35000012000> 30
2hr avg flux22.25000012000> 30
Orbital fluence9.4x108---2.0x109---
ACE data from 2026:089:21:50:00 (- 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 29/2100Z to 30/2100Z: The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 526 km/s at 30/0621Z. Total IMF reached 12 nT at 29/2324Z. The maximum southward component of Bz reached -7 nT at 30/0422Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 1347 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to major storm levels on day one (31 Mar), quiet to minor storm levels on day two (01 Apr) and quiet to unsettled levels on day three (02 Apr). Protons have a chance of crossing threshold on days one and two (31 Mar, 01 Apr) and have a chance of crossing threshold on day three (02 Apr).
Solar ActivityAnalysis of Solar Active Regions and Activity from 29/2100Z to 30/2100Z: Solar activity has been at high levels for the past 24 hours. There are currently 9 numbered sunspot regions on the disk. IB. Solar Activity Forecast: Solar activity is likely to be moderate with a slight chance for an X-class flare on days one, two, and three (31 Mar, 01 Apr, 02 Apr).

Solar X-ray Activity

Solar Wind Data ( SOHO ACE )

Solar Flare Monitor