Page content updated: 2026:079:17:02:00 ( 1:02 PM Fri 20-Mar )

Key Snapshot and SOH Values (Δt = - 5:25)
Obsid41619
Format2_NORM
RadMonDISA
CPE StatusNORM
RA40.800
Dec42.794
Roll310.001
Pitch56.44
Sim Z-99616
Sim Focus-535
HETG angle5.59
LETG angle76.09
SCS 107INAC
SCS 128ACT
SCS 129ACT
SCS 130ACT
RadMonDISA
SCS 131ACT
SCS 132ACT
SCS 133INAC
Snapshot from 2026:079:11:36:27 (Δt = - 5:25)

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)
2026:079:09:53:07Maneuver to 40.80000 42.80000 310.000 [2026:079:10:30:30]- 7:08 5:53 AM Fri 20-Mar
2026:079:10:35:00ER Obsid: 41619 (3 ksec) Purpose: Perigee Attitude - 6:27 6:35 AM Fri 20-Mar
2026:079:10:40:00Comm pass on DSS-34 (duration 1:00)- 6:22 6:40 AM Fri 20-Mar
2026:079:13:32:15Load MAR1626B:CL079:1305 [2026:081:00:36:17]- 3:29 9:32 AM Fri 20-Mar
2026:079:13:32:15Load MAR1626B:CL079:1305 [2026:081:00:36:17]- 3:29 9:32 AM Fri 20-Mar
2026:079:14:30:58Maneuver to 188.86629 14.50561 160.999 [2026:079:15:08:11]- 2:3110:30 AM Fri 20-Mar
2026:079:14:31:32Grating: NONE- 2:3010:31 AM Fri 20-Mar
2026:079:14:50:23RADMON Enable- 2:1110:50 AM Fri 20-Mar
2026:079:15:12:41Obsid: 32227 SI: ACIS-S (10 ksec) Target: NGC4548 - 1:4911:12 AM Fri 20-Mar
2026:079:17:02:00--------------- NOW --------------- 0:00 1:02 PM Fri 20-Mar
2026:079:18:01:01Maneuver to 349.00858 50.13001 13.949 [2026:079:18:37:08] 0:59 2:01 PM Fri 20-Mar
2026:079:18:37:08ER Obsid: 41618 (0 ksec) Purpose: Intermediate Attitud 1:35 2:37 PM Fri 20-Mar
2026:079:18:37:29Maneuver to 49.92478 41.60301 291.017 [2026:079:19:00:49] 1:35 2:37 PM Fri 20-Mar
2026:079:19:05:19Obsid: 30326 SI: ACIS-I (13 ksec) Target: Perseus cluster 2:03 3:05 PM Fri 20-Mar
2026:079:19:25:00Comm pass on DSS-65 (duration 1:00) 2:23 3:25 PM Fri 20-Mar
2026:079:22:50:19Maneuver to 170.01260 18.36774 209.276 [2026:079:23:23:11] 5:48 6:50 PM Fri 20-Mar
2026:079:23:27:41Obsid: 32224 SI: ACIS-S (11 ksec) Target: NGC3626 6:25 7:27 PM Fri 20-Mar
2026:080:02:31:01Maneuver to 49.92473 41.60304 291.017 [2026:080:03:03:54] 9:2910:31 PM Fri 20-Mar
2026:080:02:50:00Comm pass on DSS-65 (duration 1:00) 9:4810:50 PM Fri 20-Mar
2026:080:03:08:24Obsid: 32229 SI: ACIS-I (14 ksec) Target: Perseus cluster 10:0611:08 PM Fri 20-Mar
2026:080:07:05:29Maneuver to 156.56489 57.20828 207.621 [2026:080:07:30:45] 14:03 3:05 AM Sat 21-Mar
2026:080:07:30:45ER Obsid: 41617 (0 ksec) Purpose: Intermediate Attitud 14:28 3:30 AM Sat 21-Mar
2026:080:07:31:06Maneuver to 188.86665 14.50564 160.998 [2026:080:07:54:23] 14:29 3:31 AM Sat 21-Mar
2026:080:07:58:53Obsid: 32228 SI: ACIS-S (10 ksec) Target: NGC4548 14:56 3:58 AM Sat 21-Mar
2026:080:10:20:00Comm pass on DSS-24 (duration 1:00) 17:18 6:20 AM Sat 21-Mar
2026:080:10:45:33Maneuver to 344.80000 58.40000 18.272 [2026:080:11:19:45] 17:43 6:45 AM Sat 21-Mar
2026:080:11:19:45ER Obsid: 41616 (0 ksec) Purpose: Intermediate Attitud 18:17 7:19 AM Sat 21-Mar
2026:080:11:20:06Maneuver to 49.92476 41.60302 291.017 [2026:080:11:43:17] 18:18 7:20 AM Sat 21-Mar
2026:080:11:47:47Obsid: 30327 SI: ACIS-I (12 ksec) Target: Perseus cluster 18:45 7:47 AM Sat 21-Mar
2026:080:15:14:27Maneuver to 170.01232 18.36763 210.507 [2026:080:15:47:19] 22:1211:14 AM Sat 21-Mar
2026:080:15:51:49Obsid: 31878 SI: ACIS-S (11 ksec) Target: NGC3626 22:4911:51 AM Sat 21-Mar
2026:080:18:20:00Comm pass on DSS-34 (duration 1:00) 1d 01:18 2:20 PM Sat 21-Mar
2026:080:18:55:09Maneuver to 49.92481 41.60299 291.017 [2026:080:19:28:02] 1d 01:53 2:55 PM Sat 21-Mar
2026:080:19:32:32Obsid: 32230 SI: ACIS-I (13 ksec) Target: Perseus cluster 1d 02:30 3:32 PM Sat 21-Mar
2026:080:23:21:42Maneuver to 170.01215 18.36752 211.068 [2026:080:23:54:35] 1d 06:19 7:21 PM Sat 21-Mar
2026:080:23:59:05Obsid: 32237 SI: ACIS-S (11 ksec) Target: NGC3626 1d 06:57 7:59 PM Sat 21-Mar
2026:081:02:59:25Load MAR1626B:CL081:0205 [2026:081:20:43:51] 1d 09:5710:59 PM Sat 21-Mar
2026:081:02:59:25Load MAR1626B:CL081:0205 [2026:081:20:43:51] 1d 09:5710:59 PM Sat 21-Mar
2026:081:03:00:00Comm pass on DSS-65 (duration 1:00) 1d 09:5811:00 PM Sat 21-Mar
2026:081:03:02:25Maneuver to 49.92497 41.43681 291.017 [2026:081:03:35:19] 1d 10:0011:02 PM Sat 21-Mar
2026:081:03:39:49Obsid: 30357 SI: ACIS-I (12 ksec) Target: Perseus cluster 1d 10:3711:39 PM Sat 21-Mar
2026:081:07:08:09Maneuver to 170.01201 18.36743 211.577 [2026:081:07:41:03] 1d 14:06 3:08 AM Sun 22-Mar
2026:081:07:45:33Obsid: 32238 SI: ACIS-S (10 ksec) Target: NGC3626 1d 14:43 3:45 AM Sun 22-Mar
2026:081:10:05:00Comm pass on DSS-26 (duration 1:00) 1d 17:03 6:05 AM Sun 22-Mar
2026:081:10:32:13Maneuver to 49.92506 41.43674 291.017 [2026:081:11:05:07] 1d 17:30 6:32 AM Sun 22-Mar
2026:081:11:09:37Obsid: 32232 SI: ACIS-I (12 ksec) Target: Perseus cluster 1d 18:07 7:09 AM Sun 22-Mar
2026:081:14:37:57Maneuver to 176.86750 5.30597 218.268 [2026:081:15:14:03] 1d 21:3510:37 AM Sun 22-Mar
2026:081:15:18:33ER Obsid: 41615 (2 ksec) Purpose: Intermediate Attitud 1d 22:1611:18 AM Sun 22-Mar
2026:081:16:00:13Maneuver to 49.92496 41.60260 291.517 [2026:081:16:36:18] 1d 22:5812:00 PM Sun 22-Mar
2026:081:16:40:48Obsid: 32231 SI: ACIS-I (10 ksec) Target: Perseus cluster 1d 23:3812:40 PM Sun 22-Mar
2026:081:17:25:00Comm pass on DSS-34 (duration 1:00) 2d 00:23 1:25 PM Sun 22-Mar
2026:081:19:41:57Maneuver to 177.12068 6.16339 213.826 [2026:081:20:17:54] 2d 02:39 3:41 PM Sun 22-Mar
2026:081:19:45:31Grating: HETG 2d 02:43 3:45 PM Sun 22-Mar
2026:081:19:47:57RADMON Disable 2d 02:45 3:47 PM Sun 22-Mar
2026:081:20:22:24ER Obsid: 41614 (1 ksec) Purpose: Perigee Attitude 2d 03:20 4:22 PM Sun 22-Mar
2026:081:20:41:00Load MAR2326A:CL081:2001 [2026:083:07:30:48] 2d 03:39 4:41 PM Sun 22-Mar
2026:081:20:41:00Load MAR2326A:CL081:2001 [2026:083:07:30:48] 2d 03:39 4:41 PM Sun 22-Mar
2026:081:20:44:00Maneuver to 184.08600 -6.52995 21.934 [2026:081:21:32:22] 2d 03:42 4:44 PM Sun 22-Mar
2026:081:21:36:52ER Obsid: 41613 (3 ksec) Purpose: Perigee Attitude 2d 04:34 5:36 PM Sun 22-Mar
2026:081:22:26:52Maneuver to 24.11700 -54.54000 206.484 [2026:081:23:04:21] 2d 05:24 6:26 PM Sun 22-Mar
2026:081:23:08:51ER Obsid: 41612 (3 ksec) Purpose: Perigee Attitude 2d 06:06 7:08 PM Sun 22-Mar
2026:082:02:43:23Maneuver to 181.83000 -5.48680 358.407 [2026:082:03:20:30] 2d 09:4110:43 PM Sun 22-Mar
2026:082:03:00:00Comm pass on DSS-24 (duration 1:00) 2d 09:5811:00 PM Sun 22-Mar
2026:082:03:25:00ER Obsid: 41611 (0 ksec) Purpose: Perigee Attitude 2d 10:2311:25 PM Sun 22-Mar
2026:082:03:40:41Maneuver to 180.64900 3.58000 198.000 [2026:082:04:27:20] 2d 10:3811:40 PM Sun 22-Mar
2026:082:04:31:50ER Obsid: 41610 (0 ksec) Purpose: Perigee Attitude 2d 11:2912:31 AM Mon 23-Mar
2026:082:05:57:27Maneuver to 49.92322 41.60296 293.018 [2026:082:06:34:25] 2d 12:55 1:57 AM Mon 23-Mar
2026:082:05:58:01Grating: NONE 2d 12:56 1:58 AM Mon 23-Mar
2026:082:06:14:37RADMON Enable 2d 13:12 2:14 AM Mon 23-Mar
2026:082:06:38:55Obsid: 30323 SI: ACIS-I (18 ksec) Target: Perseus cluster 2d 13:36 2:38 AM Mon 23-Mar
2026:082:11:40:35Maneuver to 140.87190 68.81583 223.182 [2026:082:12:03:25] 2d 18:38 7:40 AM Mon 23-Mar
2026:082:12:03:25ER Obsid: 41609 (0 ksec) Purpose: Intermediate Attitud 2d 19:01 8:03 AM Mon 23-Mar
2026:082:12:03:46Maneuver to 190.99526 13.13430 148.001 [2026:082:12:30:58] 2d 19:01 8:03 AM Mon 23-Mar
2026:082:12:35:28Obsid: 32162 SI: ACIS-S (11 ksec) Target: NGC4654 2d 19:33 8:35 AM Mon 23-Mar
2026:082:12:40:00Comm pass on DSS-24 (duration 1:00) 2d 19:38 8:40 AM Mon 23-Mar
2026:082:15:47:08Maneuver to 140.87190 68.81583 223.334 [2026:082:16:14:22] 2d 22:4511:47 AM Mon 23-Mar
2026:082:16:14:22ER Obsid: 41608 (0 ksec) Purpose: Perigee Attitude 2d 23:1212:14 PM Mon 23-Mar
2026:082:16:14:43Maneuver to 49.92306 41.60307 293.018 [2026:082:16:37:33] 2d 23:1212:14 PM Mon 23-Mar
2026:082:16:42:03Obsid: 32247 SI: ACIS-I (15 ksec) Target: Perseus cluster 2d 23:4012:42 PM Mon 23-Mar

CXO and GOES rates
CXOGOESLimit
HRC shield016250
HRC MCP484430
P4GM---0.03300
P41GM---0.008.47
CXO: from snapshot at 2026:079:11:36:27 (- 5:25)
RadMon: DISABLED
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 flux2.53x10550000120002.2
2hr avg flux106005000012000> 30
Orbital fluence4.0x106---2.0x109---
ACE data from 2026:079:16:50:00 (- 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 18/2100Z to 19/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 428 km/s at 18/2352Z. Total IMF reached 6 nT at 19/0905Z. The maximum southward component of Bz reached -2 nT at 19/1408Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 4941 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at unsettled to major storm levels on day one (20 Mar), active to major storm levels on day two (21 Mar) and unsettled to minor storm levels on day three (22 Mar).
Solar ActivityAnalysis of Solar Active Regions and Activity from 18/2100Z to 19/2100Z: Solar activity has been at low levels for the past 24 hours. There are currently 2 numbered sunspot regions on the disk. IB. Solar Activity Forecast: Solar activity is likely to be low with a slight chance for an M-class flare on days one, two, and three (20 Mar, 21 Mar, 22 Mar).

Solar X-ray Activity

Solar Wind Data ( SOHO ACE )

Solar Flare Monitor