Page content updated: 2026:301:08:33:00 ( 4:33 AM Wed 28-Oct )

Key Snapshot and SOH Values (Δt = - 4:37)
Obsid31099
Format2_NORM
RadMonENAB
CPE StatusNORM
RA13.758
Dec-37.706
Roll333.980
Pitch126.48
Sim Z75624
Sim Focus-467
HETG angle77.59
LETG angle75.71
SCS 107INAC
SCS 128ACT
SCS 129ACT
SCS 130ACT
RadMonENAB
SCS 131ACT
SCS 132ACT
SCS 133ACT
Snapshot from 2026:301:03:55:22 (Δt = - 4:37)

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)
2026:300:20:43:59Maneuver to 13.75746 -37.70118 333.979 [2026:300:21:31:47]-11:49 4:43 PM Tue 27-Oct
2026:300:21:36:17Obsid: 31099 SI: ACIS-S (28 ksec) Target: NGC 300 X-1 -10:56 5:36 PM Tue 27-Oct
2026:301:03:00:00Comm pass on DSS-26 (duration 1:00)- 5:3311:00 PM Tue 27-Oct
2026:301:05:34:40Maneuver to 238.90000 -65.80000 212.003 [2026:301:06:01:25]- 2:58 1:34 AM Wed 28-Oct
2026:301:05:38:15Grating: HETG- 2:54 1:38 AM Wed 28-Oct
2026:301:05:40:18RADMON Disable- 2:52 1:40 AM Wed 28-Oct
2026:301:06:05:55ER Obsid: 41018 (3 ksec) Purpose: Perigee Attitude - 2:27 2:05 AM Wed 28-Oct
2026:301:06:55:55Maneuver to 29.97000 3.50000 346.951 [2026:301:07:32:21]- 1:37 2:55 AM Wed 28-Oct
2026:301:07:36:51ER Obsid: 41017 (3 ksec) Purpose: Perigee Attitude - 0:56 3:36 AM Wed 28-Oct
2026:301:08:33:00--------------- NOW --------------- 0:00 4:33 AM Wed 28-Oct
2026:301:10:00:00Comm pass on DSS-36 (duration 1:00) 1:27 6:00 AM Wed 28-Oct
2026:301:10:19:25Maneuver to 233.20000 -68.90000 204.272 [2026:301:10:55:30] 1:46 6:19 AM Wed 28-Oct
2026:301:11:00:00ER Obsid: 41016 (3 ksec) Purpose: Perigee Attitude 2:27 7:00 AM Wed 28-Oct
2026:301:12:45:22Maneuver to 62.30119 -24.92256 40.776 [2026:301:13:15:30] 4:12 8:45 AM Wed 28-Oct
2026:301:13:20:00ER Obsid: 41015 (3 ksec) Purpose: Perigee Attitude 4:47 9:20 AM Wed 28-Oct
2026:301:14:10:00Maneuver to 70.63462 21.10667 96.105 [2026:301:14:36:46] 5:3710:10 AM Wed 28-Oct
2026:301:14:41:16ER Obsid: 41014 (1 ksec) Purpose: Perigee Attitude 6:0810:41 AM Wed 28-Oct
2026:301:14:57:56Maneuver to 64.25260 -24.21461 43.057 [2026:301:15:24:14] 6:2410:57 AM Wed 28-Oct
2026:301:15:15:00Comm pass on DSS-26 (duration 1:00) 6:4211:15 AM Wed 28-Oct
2026:301:15:28:44ER Obsid: 41013 (1 ksec) Purpose: Perigee Attitude 6:5511:28 AM Wed 28-Oct
2026:301:15:45:24Maneuver to 161.40000 -34.70000 101.914 [2026:301:16:14:36] 7:1211:45 AM Wed 28-Oct
2026:301:16:19:06ER Obsid: 41012 (3 ksec) Purpose: Perigee Attitude 7:4612:19 PM Wed 28-Oct
2026:301:16:45:01Load OCT2626A:CL301:1601 [2026:303:04:30:02] 8:1212:45 PM Wed 28-Oct
2026:301:16:45:01Load OCT2626A:CL301:1601 [2026:303:04:30:02] 8:1212:45 PM Wed 28-Oct
2026:301:17:36:40Maneuver to 38.17000 11.05000 67.634 [2026:301:18:15:09] 9:03 1:36 PM Wed 28-Oct
2026:301:18:19:39ER Obsid: 41011 (1 ksec) Purpose: Perigee Attitude 9:46 2:19 PM Wed 28-Oct
2026:301:19:18:57Maneuver to 128.84921 -45.17754 76.509 [2026:301:19:52:27] 10:45 3:18 PM Wed 28-Oct
2026:301:19:19:31Grating: NONE 10:46 3:19 PM Wed 28-Oct
2026:301:19:32:39RADMON Enable 10:59 3:32 PM Wed 28-Oct
2026:301:19:56:57Obsid: 31428 SI: ACIS-S (17 ksec) Target: PSR B0833-45 11:23 3:56 PM Wed 28-Oct
2026:302:00:10:00Comm pass on DSS-26 (duration 1:00) 15:37 8:10 PM Wed 28-Oct
2026:302:00:43:37Maneuver to 42.23000 -42.13000 10.889 [2026:302:01:07:52] 16:10 8:43 PM Wed 28-Oct
2026:302:01:07:52ER Obsid: 41010 (0 ksec) Purpose: Intermediate Attitud 16:34 9:07 PM Wed 28-Oct
2026:302:01:08:13Maneuver to 27.13772 6.00659 320.002 [2026:302:01:34:03] 16:35 9:08 PM Wed 28-Oct
2026:302:01:38:33Obsid: 33533 SI: ACIS-I (10 ksec) Target: SDSS J014837.63 17:05 9:38 PM Wed 28-Oct
2026:302:04:28:33Maneuver to 248.09481 -67.44239 216.023 [2026:302:05:04:44] 19:5512:28 AM Thu 29-Oct
2026:302:04:32:07Grating: HETG 19:5912:32 AM Thu 29-Oct
2026:302:05:10:58Obsid: 31502 SI: HRC-I (14 ksec) Target: 4U 1626-67 20:37 1:10 AM Thu 29-Oct
2026:302:09:12:38Maneuver to 32.73676 0.76511 12.000 [2026:302:09:48:22] 1d 00:39 5:12 AM Thu 29-Oct
2026:302:09:13:26Grating: NONE 1d 00:40 5:13 AM Thu 29-Oct
2026:302:09:52:52Obsid: 33532 SI: ACIS-I (11 ksec) Target: BOSS0210W 1d 01:19 5:52 AM Thu 29-Oct
2026:302:11:30:00Comm pass on DSS-53 (duration 1:00) 1d 02:57 7:30 AM Thu 29-Oct
2026:302:12:56:12Maneuver to 105.60000 -2.50000 75.120 [2026:302:13:27:48] 1d 04:23 8:56 AM Thu 29-Oct
2026:302:13:27:48ER Obsid: 41009 (0 ksec) Purpose: Intermediate Attitud 1d 04:54 9:27 AM Thu 29-Oct
2026:302:13:28:09Maneuver to 171.80574 42.45155 40.005 [2026:302:13:55:47] 1d 04:55 9:28 AM Thu 29-Oct
2026:302:14:00:17Obsid: 33527 SI: ACIS-I (14 ksec) Target: PLCK G165.7+67. 1d 05:2710:00 AM Thu 29-Oct
2026:302:18:01:57Maneuver to 343.70000 39.72000 253.562 [2026:302:18:35:00] 1d 09:28 2:01 PM Thu 29-Oct
2026:302:18:35:00Comm pass on DSS-56 (duration 1:00) 1d 10:02 2:35 PM Thu 29-Oct
2026:302:18:39:30ER Obsid: 41008 (0 ksec) Purpose: Intermediate Attitud 1d 10:06 2:39 PM Thu 29-Oct
2026:302:18:55:11Maneuver to 27.13662 6.01021 311.002 [2026:302:19:26:03] 1d 10:22 2:55 PM Thu 29-Oct
2026:302:19:30:33Obsid: 31678 SI: ACIS-I (17 ksec) Target: SDSS J014837.63 1d 10:57 3:30 PM Thu 29-Oct
2026:303:00:22:13Maneuver to 256.29281 -48.79232 239.594 [2026:303:01:00:05] 1d 15:49 8:22 PM Thu 29-Oct
2026:303:01:04:35Obsid: 33525 SI: ACIS-S (13 ksec) Target: 2MASS J17050868 1d 16:31 9:04 PM Thu 29-Oct
2026:303:03:00:00Comm pass on DSS-24 (duration 1:00) 1d 18:2711:00 PM Thu 29-Oct
2026:303:04:50:45Load OCT2626A:CL303:0401 [2026:304:14:28:49] 1d 20:1712:50 AM Fri 30-Oct
2026:303:04:50:45Load OCT2626A:CL303:0401 [2026:304:14:28:49] 1d 20:1712:50 AM Fri 30-Oct
2026:303:04:53:45Maneuver to 27.13405 6.00801 318.898 [2026:303:05:31:32] 1d 20:2012:53 AM Fri 30-Oct
2026:303:05:36:02Obsid: 33534 SI: ACIS-I (17 ksec) Target: SDSS J014837.63 1d 21:03 1:36 AM Fri 30-Oct
2026:303:10:27:42Maneuver to 256.29339 -48.79008 239.273 [2026:303:11:05:29] 2d 01:54 6:27 AM Fri 30-Oct
2026:303:11:09:59Obsid: 33538 SI: ACIS-S (13 ksec) Target: 2MASS J17050868 2d 02:36 7:09 AM Fri 30-Oct
2026:303:14:00:00Comm pass on DSS-54 (duration 1:00) 2d 05:2710:00 AM Fri 30-Oct
2026:303:14:59:09Maneuver to 27.13206 6.00910 317.750 [2026:303:15:36:56] 2d 06:2610:59 AM Fri 30-Oct
2026:303:15:41:26Obsid: 31679 SI: ACIS-I (18 ksec) Target: SDSS J014837.63 2d 07:0811:41 AM Fri 30-Oct
2026:303:18:00:00Comm pass on DSS-56 (duration 1:00) 2d 09:27 2:00 PM Fri 30-Oct
2026:303:20:56:50Maneuver to 254.90000 -52.90000 234.490 [2026:303:21:34:21] 2d 12:23 4:56 PM Fri 30-Oct
2026:303:21:00:24Grating: HETG 2d 12:27 5:00 PM Fri 30-Oct
2026:303:21:02:50RADMON Disable 2d 12:29 5:02 PM Fri 30-Oct
2026:303:21:38:51ER Obsid: 41007 (3 ksec) Purpose: Perigee Attitude 2d 13:05 5:38 PM Fri 30-Oct
2026:304:01:07:30Maneuver to 35.20000 7.60000 2.554 [2026:304:01:46:30] 2d 16:34 9:07 PM Fri 30-Oct
2026:304:01:51:00ER Obsid: 41006 (3 ksec) Purpose: Perigee Attitude 2d 17:18 9:51 PM Fri 30-Oct
2026:304:02:30:00Comm pass on DSS-23 (duration 1:00) 2d 17:5710:30 PM Fri 30-Oct
2026:304:05:31:25Maneuver to 179.40000 -53.80000 131.032 [2026:304:06:10:30] 2d 20:58 1:31 AM Sat 31-Oct
2026:304:06:15:00ER Obsid: 41005 (3 ksec) Purpose: Perigee Attitude 2d 21:42 2:15 AM Sat 31-Oct

CXO and GOES rates
CXOGOESLimit
HRC shield016250
HRC MCP611930
P4GM---0.04300
P41GM---0.018.47
CXO: from snapshot at 2026:301:03:55:22 (- 4:37)
GOES proxies: scaled 15 min average of GOES-16
Last avgs at HRC: - 0:18   P4GM: - 0:15   P41GM: - 0:18
ACE rates
Value2hr limitOrbital limitHours to
Orbital limit
Current flux19.85000012000> 30
2hr avg flux21.15000012000> 30
Orbital fluence7.2x108---2.0x109---
ACE data from 2026:301:08:20:00 (- 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 26/2100Z to 27/2100Z: The geomagnetic field has been at NA levels for the past 24 hours. Solar wind speed reached a peak of 379 km/s at 26/2120Z. Total IMF reached 9 nT at 26/2146Z. The maximum southward component of Bz reached -2 nT at 26/2121Z. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on days one, two, and three (28 Oct, 29 Oct, 30 Oct). Protons greater than 10 Mev NA.
Solar ActivityAnalysis of Solar Active Regions and Activity from 26/2100Z to 27/2100Z: Solar activity has been at very low levels for the past 24 hours. IB. Solar Activity Forecast: NA

Solar X-ray Activity

Solar Wind Data ( SOHO ACE )

Solar Flare Monitor