Page content updated: 2025:027:17:02:01 ( 12:02 PM Mon 27-Jan )

Key Snapshot and SOH Values (Δt = - 4:51)
Obsid28143
Format2_NORM
RadMonENAB
CPE StatusNORM
RA263.883
Dec20.771
Roll52.091
Pitch59.65
Sim Z75623
Sim Focus-467
HETG angle77.59
LETG angle76.09
SCS 107INAC
SCS 128ACT
SCS 129ACT
SCS 130ACT
RadMonENAB
SCS 131ACT
SCS 132ACT
SCS 133ACT
Snapshot from 2025:027:12:10:52 (Δt = - 4:51)

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: JAN2725A)
Time (UT)EventDelta timeTime (Eastern)
2025:027:05:22:13Maneuver to 135.16981 20.87877 113.441 [2025:027:05:49:45]-11:3912:22 AM Mon 27-Jan
2025:027:05:54:15Obsid: 30383 SI: ACIS-S (10 ksec) Target: ZwCl 0857.9+210 -11:0712:54 AM Mon 27-Jan
2025:027:08:54:15Maneuver to 263.88362 20.77489 52.090 [2025:027:09:30:51]- 8:07 3:54 AM Mon 27-Jan
2025:027:09:35:21Obsid: 28143 SI: ACIS-S (10 ksec) Target: 2MASX J17353371 - 7:26 4:35 AM Mon 27-Jan
2025:027:11:15:00Comm pass on DSS-65 (duration 1:00)- 5:47 6:15 AM Mon 27-Jan
2025:027:12:37:01Maneuver to 135.17240 20.87961 118.993 [2025:027:13:13:34]- 4:25 7:37 AM Mon 27-Jan
2025:027:13:18:04Obsid: 30755 SI: ACIS-S (10 ksec) Target: ZwCl 0857.9+210 - 3:43 8:18 AM Mon 27-Jan
2025:027:16:08:04Maneuver to 284.67497 29.26896 28.504 [2025:027:16:46:28]- 0:5311:08 AM Mon 27-Jan
2025:027:16:50:58Obsid: 30490 SI: ACIS-I (15 ksec) Target: PSZ2G060.13+11. - 0:1111:50 AM Mon 27-Jan
2025:027:17:02:01--------------- NOW --------------- 0:0012:02 PM Mon 27-Jan
2025:027:21:00:58Maneuver to 135.17478 20.87855 119.992 [2025:027:21:39:20] 3:58 4:00 PM Mon 27-Jan
2025:027:21:43:50Obsid: 30756 SI: ACIS-S (13 ksec) Target: ZwCl 0857.9+210 4:41 4:43 PM Mon 27-Jan
2025:027:23:00:52Load JAN2725A:CL027:2301 [2025:029:10:41:46] 5:58 6:00 PM Mon 27-Jan
2025:027:23:00:52Load JAN2725A:CL027:2301 [2025:029:10:41:46] 5:58 6:00 PM Mon 27-Jan
2025:028:01:20:30Maneuver to 284.67331 29.26699 28.505 [2025:028:01:58:52] 8:18 8:20 PM Mon 27-Jan
2025:028:02:03:22Obsid: 30760 SI: ACIS-I (10 ksec) Target: PSZ2G060.13+11. 9:01 9:03 PM Mon 27-Jan
2025:028:03:30:00Comm pass on DSS-65 (duration 2:30) 10:2710:30 PM Mon 27-Jan
2025:028:04:50:02Maneuver to 39.94505 -1.57131 281.000 [2025:028:05:28:38] 11:4811:50 PM Mon 27-Jan
2025:028:05:33:08Obsid: 28613 SI: ACIS-I (21 ksec) Target: Abell 370 12:3112:33 AM Tue 28-Jan
2025:028:11:23:08Maneuver to 193.00000 59.00000 104.718 [2025:028:12:01:34] 18:21 6:23 AM Tue 28-Jan
2025:028:12:06:04ER Obsid: 42730 (0 ksec) Purpose: Intermediate Attitud 19:04 7:06 AM Tue 28-Jan
2025:028:12:21:45Maneuver to 135.17697 20.88045 125.992 [2025:028:12:45:51] 19:19 7:21 AM Tue 28-Jan
2025:028:12:50:21Obsid: 30757 SI: ACIS-S (10 ksec) Target: ZwCl 0857.9+210 19:48 7:50 AM Tue 28-Jan
2025:028:15:37:01Maneuver to 284.67243 29.26799 25.005 [2025:028:16:15:12] 22:3510:37 AM Tue 28-Jan
2025:028:16:19:42Obsid: 30761 SI: ACIS-I (10 ksec) Target: PSZ2G060.13+11. 23:1711:19 AM Tue 28-Jan
2025:028:19:16:22Maneuver to 71.70706 17.01520 275.004 [2025:028:19:54:54] 1d 02:14 2:16 PM Tue 28-Jan
2025:028:19:59:24Obsid: 29680 SI: ACIS-I (1 ksec) Target: DQ Tau periastr 1d 02:57 2:59 PM Tue 28-Jan
2025:028:20:24:24Maneuver to 55.59867 -22.48694 292.234 [2025:028:20:45:39] 1d 03:22 3:24 PM Tue 28-Jan
2025:028:20:50:09Obsid: 30747 SI: ACIS-S (10 ksec) Target: EP250108a 1d 03:48 3:50 PM Tue 28-Jan
2025:028:23:45:00Comm pass on DSS-26 (duration 1:00) 1d 06:42 6:45 PM Tue 28-Jan
2025:028:23:52:06Maneuver to 126.00000 15.00000 300.909 [2025:029:00:20:33] 1d 06:50 6:52 PM Tue 28-Jan
2025:028:23:55:41Grating: HETG 1d 06:53 6:55 PM Tue 28-Jan
2025:028:23:57:44RADMON Disable 1d 06:55 6:57 PM Tue 28-Jan
2025:029:00:25:03ER Obsid: 42729 (2 ksec) Purpose: Perigee Attitude 1d 07:23 7:25 PM Tue 28-Jan
2025:029:00:58:23Maneuver to 130.55865 12.69499 350.749 [2025:029:01:20:45] 1d 07:56 7:58 PM Tue 28-Jan
2025:029:01:25:15ER Obsid: 42728 (0 ksec) Purpose: Perigee Attitude 1d 08:23 8:25 PM Tue 28-Jan
2025:029:01:40:56Maneuver to 84.00000 -40.60000 312.950 [2025:029:02:08:00] 1d 08:38 8:40 PM Tue 28-Jan
2025:029:02:12:30ER Obsid: 42727 (4 ksec) Purpose: Perigee Attitude 1d 09:10 9:12 PM Tue 28-Jan
2025:029:03:19:10Maneuver to 124.00000 18.00000 270.968 [2025:029:03:48:54] 1d 10:1710:19 PM Tue 28-Jan
2025:029:03:53:24ER Obsid: 42726 (2 ksec) Purpose: Perigee Attitude 1d 10:5110:53 PM Tue 28-Jan
2025:029:04:26:44Maneuver to 84.00000 -40.60000 312.832 [2025:029:04:56:28] 1d 11:2411:26 PM Tue 28-Jan
2025:029:05:00:58ER Obsid: 42725 (2 ksec) Purpose: Perigee Attitude 1d 11:5812:00 AM Wed 29-Jan
2025:029:06:31:50Attitude Violation: Earth 1d 13:29 1:31 AM Wed 29-Jan
2025:029:06:39:00Maneuver to 84.00000 -40.60000 312.759 [2025:029:06:43:00] 1d 13:36 1:39 AM Wed 29-Jan
2025:029:06:43:00ER Obsid: 42724 (0 ksec) Purpose: Perigee Attitude 1d 13:40 1:43 AM Wed 29-Jan
2025:029:07:00:36Eclipse [2025:029:07:29:39] 1d 13:58 2:00 AM Wed 29-Jan
2025:029:07:16:30Maneuver to 84.00000 -40.60000 312.728 [2025:029:07:20:30] 1d 14:14 2:16 AM Wed 29-Jan
2025:029:07:25:00ER Obsid: 42723 (0 ksec) Purpose: Perigee Attitude 1d 14:22 2:25 AM Wed 29-Jan
2025:029:07:56:32Maneuver to 126.63179 15.12956 300.240 [2025:029:08:23:30] 1d 14:54 2:56 AM Wed 29-Jan
2025:029:08:28:00ER Obsid: 42722 (0 ksec) Purpose: Perigee Attitude 1d 15:25 3:28 AM Wed 29-Jan
2025:029:09:56:52Maneuver to 11.42909 -15.57550 281.487 [2025:029:10:34:14] 1d 16:54 4:56 AM Wed 29-Jan
2025:029:09:57:26Grating: NONE 1d 16:55 4:57 AM Wed 29-Jan
2025:029:10:13:43RADMON Enable 1d 17:11 5:13 AM Wed 29-Jan
2025:029:10:38:44Obsid: 28188 SI: ACIS-S (10 ksec) Target: NGC244 1d 17:36 5:38 AM Wed 29-Jan
2025:029:11:31:33Load JAN2725A:CL029:1101 [2025:030:22:41:37] 1d 18:29 6:31 AM Wed 29-Jan
2025:029:11:31:33Load JAN2725A:CL029:1101 [2025:030:22:41:37] 1d 18:29 6:31 AM Wed 29-Jan
2025:029:12:15:00Comm pass on DSS-24 (duration 1:00) 1d 19:12 7:15 AM Wed 29-Jan
2025:029:13:25:24Maneuver to 71.70612 17.01307 280.663 [2025:029:13:51:27] 1d 20:23 8:25 AM Wed 29-Jan
2025:029:13:55:57Obsid: 29681 SI: ACIS-I (1 ksec) Target: DQ Tau periastr 1d 20:53 8:55 AM Wed 29-Jan
2025:029:14:20:57Maneuver to 154.11308 33.65444 124.988 [2025:029:15:00:34] 1d 21:18 9:20 AM Wed 29-Jan
2025:029:15:05:04Obsid: 28309 SI: ACIS-I (5 ksec) Target: PSZ2G192.18+56. 1d 22:0310:05 AM Wed 29-Jan
2025:029:16:34:06Maneuver to 207.22836 26.58242 79.866 [2025:029:16:55:57] 1d 23:3211:34 AM Wed 29-Jan
2025:029:17:00:27Obsid: 29624 SI: ACIS-S (15 ksec) Target: A1795 1d 23:5812:00 PM Wed 29-Jan
2025:029:21:10:27Maneuver to 71.70666 17.01237 280.636 [2025:029:21:54:30] 2d 04:08 4:10 PM Wed 29-Jan
2025:029:21:59:00Obsid: 29682 SI: ACIS-I (1 ksec) Target: DQ Tau periastr 2d 04:56 4:59 PM Wed 29-Jan
2025:029:22:24:00Maneuver to 39.94805 -1.57298 276.250 [2025:029:22:43:16] 2d 05:21 5:24 PM Wed 29-Jan
2025:029:22:40:00Comm pass on DSS-26 (duration 0:45) 2d 05:37 5:40 PM Wed 29-Jan
2025:029:22:49:17Obsid: 28619 SI: ACIS-I (16 ksec) Target: Abell 370 2d 05:47 5:49 PM Wed 29-Jan
2025:030:02:30:00Comm pass on DSS-54 (duration 1:00) 2d 09:27 9:30 PM Wed 29-Jan
2025:030:03:30:57Maneuver to 71.70915 17.01232 274.003 [2025:030:03:49:59] 2d 10:2810:30 PM Wed 29-Jan
2025:030:03:54:29Obsid: 29683 SI: ACIS-I (1 ksec) Target: DQ Tau periastr 2d 10:5210:54 PM Wed 29-Jan
2025:030:04:19:29Maneuver to 192.00000 54.00000 104.652 [2025:030:04:55:47] 2d 11:1711:19 PM Wed 29-Jan
2025:030:04:55:47ER Obsid: 42721 (0 ksec) Purpose: Intermediate Attitud 2d 11:5311:55 PM Wed 29-Jan
2025:030:04:56:08Maneuver to 135.17649 20.88829 143.109 [2025:030:05:19:07] 2d 11:5411:56 PM Wed 29-Jan
2025:030:05:23:37Obsid: 30396 SI: ACIS-S (10 ksec) Target: ZwCl 0857.9+210 2d 12:2112:23 AM Thu 30-Jan
2025:030:08:15:17Maneuver to 284.67540 29.27033 26.704 [2025:030:08:53:22] 2d 15:13 3:15 AM Thu 30-Jan
2025:030:08:57:52Obsid: 30762 SI: ACIS-I (14 ksec) Target: PSZ2G060.13+11. 2d 15:55 3:57 AM Thu 30-Jan
2025:030:11:45:00Comm pass on DSS-24 (duration 1:00) 2d 18:42 6:45 AM Thu 30-Jan
2025:030:13:05:22Maneuver to 71.70985 17.01354 270.003 [2025:030:13:43:57] 2d 20:03 8:05 AM Thu 30-Jan
2025:030:13:48:27Obsid: 29684 SI: ACIS-I (1 ksec) Target: DQ Tau periastr 2d 20:46 8:48 AM Thu 30-Jan
2025:030:14:13:27Maneuver to 192.00000 54.00000 105.111 [2025:030:14:49:16] 2d 21:11 9:13 AM Thu 30-Jan
2025:030:14:49:16ER Obsid: 42720 (0 ksec) Purpose: Perigee Attitude 2d 21:47 9:49 AM Thu 30-Jan
2025:030:14:49:37Maneuver to 135.17838 20.89039 148.980 [2025:030:15:12:40] 2d 21:47 9:49 AM Thu 30-Jan
2025:030:15:17:10Obsid: 30758 SI: ACIS-S (9 ksec) Target: ZwCl 0857.9+210 2d 22:1510:17 AM Thu 30-Jan
2025:030:15:30:00Comm pass on DSS-26 (duration 1:00) 2d 22:2710:30 AM Thu 30-Jan
2025:031:21:46:02High Momentum 4d 04:44 4:46 PM Fri 31-Jan

CXO and GOES rates
CXOGOESLimit
HRC shield017250
HRC MCP382430
P4GM---0.05300
P41GM---0.008.47
CXO: from snapshot at 2025:027:12:10:52 (- 4:51)
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 flux44.65000012000> 30
2hr avg flux49.35000012000> 30
Orbital fluence2.6x106---2.0x109---
ACE data from 2025:027:16:45:00 (- 0:17)
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 25/2100Z to 26/2100Z: The geomagnetic field has been at quiet levels for the past 24 hours. Solar wind speed reached a peak of 383 km/s at 26/0049Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 939 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on days one and two (27 Jan, 28 Jan) and quiet to unsettled levels on day three (29 Jan). Protons greater than 10 Mev have a slight chance of crossing threshold on day one (27 Jan).
Solar ActivityAnalysis of Solar Active Regions and Activity from 25/2100Z to 26/2100Z: Solar activity has been at low levels for the past 24 hours. The largest solar event of the period was a C4 event observed at 26/1546Z from Region 3961 (S10W90). There are currently 9 numbered sunspot regions on the disk. IB. Solar Activity Forecast: Solar activity is expected to be low with a chance for M-class flares and a slight chance for an X-class flare on day one (27 Jan) and expected to be low with a chance for M-class flares on days two and three (28 Jan, 29 Jan).

Solar X-ray Activity

Solar Wind Data ( SOHO ACE )

Solar Flare Monitor