Page content updated: 2023:174:13:40:00 ( 9:40 AM Fri 23-Jun )

Key Snapshot and SOH Values (Δt = - 1:14)
Obsid27913
Format2_NORM
RadMonENAB
CPE StatusNORM
RA264.877
Dec-20.778
Roll246.146
Pitch173.48
Sim Z75623
Sim Focus-467
HETG angle77.96
LETG angle76.09
SCS 107INAC
SCS 128INAC
SCS 129ACT
SCS 130ACT
RadMonENAB
SCS 131INAC
SCS 132ACT
SCS 133ACT
Snapshot from 2023:174:12:25:50 (Δt = - 1:14)

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: JUN1923A)
Time (UT)EventDelta timeTime (Eastern)
2023:174:03:46:52Load JUN1923A:CL174:0301 [2023:176:01:22:40]- 9:5311:46 PM Thu 22-Jun
2023:174:03:46:52Load JUN1923A:CL174:0301 [2023:176:01:22:40]- 9:5311:46 PM Thu 22-Jun
2023:174:03:49:52Maneuver to 81.31918 -69.63476 170.865 [2023:174:04:15:40]- 9:5011:49 PM Thu 22-Jun
2023:174:03:53:26Grating: NONE- 9:4611:53 PM Thu 22-Jun
2023:174:04:33:53Obsid: 26016 SI: HRC-I (12 ksec) Target: LMC N132D - 9:0612:33 AM Fri 23-Jun
2023:174:08:02:13Maneuver to 184.84893 30.52752 248.043 [2023:174:08:40:38]- 5:37 4:02 AM Fri 23-Jun
2023:174:08:45:08Obsid: 26860 SI: ACIS-S (10 ksec) Target: SDSS J121923.73 - 4:54 4:45 AM Fri 23-Jun
2023:174:11:30:00Comm pass on DSS-26 (duration 1:00)- 2:10 7:30 AM Fri 23-Jun
2023:174:11:46:48Maneuver to 264.88220 -20.77840 246.147 [2023:174:12:18:22]- 1:53 7:46 AM Fri 23-Jun
2023:174:12:22:52Obsid: 27913 SI: ACIS-S (12 ksec) Target: GAIA DR2 411820 - 1:17 8:22 AM Fri 23-Jun
2023:174:13:40:00--------------- NOW --------------- 0:00 9:40 AM Fri 23-Jun
2023:174:15:42:52Maneuver to 166.11148 38.25844 259.869 [2023:174:16:18:13] 2:0211:42 AM Fri 23-Jun
2023:174:15:46:26Grating: LETG 2:0611:46 AM Fri 23-Jun
2023:174:16:22:43Obsid: 27183 SI: ACIS-S (15 ksec) Target: MKN421 2:4212:22 PM Fri 23-Jun
2023:174:20:32:43Maneuver to 264.88162 -20.77708 247.205 [2023:174:21:08:06] 6:52 4:32 PM Fri 23-Jun
2023:174:20:36:18Grating: NONE 6:56 4:36 PM Fri 23-Jun
2023:174:21:00:00Comm pass on DSS-65 (duration 1:00) 7:20 5:00 PM Fri 23-Jun
2023:174:21:12:36Obsid: 27919 SI: ACIS-S (12 ksec) Target: GAIA DR2 411820 7:32 5:12 PM Fri 23-Jun
2023:175:00:32:36Maneuver to 166.11069 38.26002 260.084 [2023:175:01:07:58] 10:52 8:32 PM Fri 23-Jun
2023:175:00:35:00Comm pass on DSS-56 (duration 1:00) 10:55 8:35 PM Fri 23-Jun
2023:175:00:36:10Grating: LETG 10:56 8:36 PM Fri 23-Jun
2023:175:01:12:28Obsid: 27921 SI: ACIS-S (14 ksec) Target: MKN421 11:32 9:12 PM Fri 23-Jun
2023:175:05:19:08Maneuver to 199.09108 29.12270 241.612 [2023:175:05:36:09] 15:39 1:19 AM Sat 24-Jun
2023:175:06:03:09Obsid: 27916 SI: HRC-S (10 ksec) Target: HZ43 16:23 2:03 AM Sat 24-Jun
2023:175:08:49:49Maneuver to 264.88091 -20.77592 248.434 [2023:175:09:18:56] 19:09 4:49 AM Sat 24-Jun
2023:175:08:50:39Grating: NONE 19:10 4:50 AM Sat 24-Jun
2023:175:09:23:26Obsid: 27920 SI: ACIS-S (12 ksec) Target: GAIA DR2 411820 19:43 5:23 AM Sat 24-Jun
2023:175:11:25:00Comm pass on DSS-26 (duration 1:00) 21:45 7:25 AM Sat 24-Jun
2023:175:12:43:26Maneuver to 166.11057 38.26065 260.002 [2023:175:13:18:50] 23:03 8:43 AM Sat 24-Jun
2023:175:12:47:00Grating: LETG 23:07 8:47 AM Sat 24-Jun
2023:175:13:23:20Obsid: 27918 SI: ACIS-S (15 ksec) Target: MKN421 23:43 9:23 AM Sat 24-Jun
2023:175:17:33:37Maneuver to 260.00000 -18.00000 243.744 [2023:175:18:07:47] 1d 03:53 1:33 PM Sat 24-Jun
2023:175:17:37:11Grating: NONE 1d 03:57 1:37 PM Sat 24-Jun
2023:175:17:39:13RADMON Disable 1d 03:59 1:39 PM Sat 24-Jun
2023:175:17:40:42Grating: HETG 1d 04:00 1:40 PM Sat 24-Jun
2023:175:18:12:17ER Obsid: 44402 (1 ksec) Purpose: Perigee Attitude 1d 04:32 2:12 PM Sat 24-Jun
2023:175:18:28:57Maneuver to 265.00000 -45.00000 340.657 [2023:175:19:01:33] 1d 04:48 2:28 PM Sat 24-Jun
2023:175:19:06:03ER Obsid: 44401 (0 ksec) Purpose: Perigee Attitude 1d 05:26 3:06 PM Sat 24-Jun
2023:175:19:55:40Maneuver to 136.60000 -38.90000 221.051 [2023:175:20:25:30] 1d 06:15 3:55 PM Sat 24-Jun
2023:175:20:30:00ER Obsid: 44400 (1 ksec) Purpose: Perigee Attitude 1d 06:50 4:30 PM Sat 24-Jun
2023:175:20:50:58Maneuver to 152.15800 -29.80000 233.690 [2023:175:21:04:00] 1d 07:10 4:50 PM Sat 24-Jun
2023:175:21:04:00ER Obsid: 44399 (2 ksec) Purpose: Perigee Attitude 1d 07:24 5:04 PM Sat 24-Jun
2023:175:21:13:06Attitude Violation: Earth 1d 07:33 5:13 PM Sat 24-Jun
2023:175:21:28:32High Momentum 1d 07:48 5:28 PM Sat 24-Jun
2023:175:21:42:20Maneuver to 152.15800 -29.80000 233.675 [2023:175:21:46:20] 1d 08:02 5:42 PM Sat 24-Jun
2023:175:21:50:50ER Obsid: 44398 (0 ksec) Purpose: Perigee Attitude 1d 08:10 5:50 PM Sat 24-Jun
2023:175:22:06:31Maneuver to 270.00000 -30.00000 336.566 [2023:175:22:39:18] 1d 08:26 6:06 PM Sat 24-Jun
2023:175:22:43:48ER Obsid: 44397 (0 ksec) Purpose: Perigee Attitude 1d 09:03 6:43 PM Sat 24-Jun
2023:175:22:59:29Maneuver to 275.61853 -28.53745 24.159 [2023:175:23:20:32] 1d 09:19 6:59 PM Sat 24-Jun
2023:175:23:25:02ER Obsid: 44396 (1 ksec) Purpose: Perigee Attitude 1d 09:45 7:25 PM Sat 24-Jun
2023:176:00:05:00Comm pass on DSS-65 (duration 1:00) 1d 10:25 8:05 PM Sat 24-Jun
2023:176:00:27:31Maneuver to 11.39154 -48.55935 111.046 [2023:176:00:55:01] 1d 10:47 8:27 PM Sat 24-Jun
2023:176:00:28:05Grating: NONE 1d 10:48 8:28 PM Sat 24-Jun
2023:176:00:37:12RADMON Enable 1d 10:57 8:37 PM Sat 24-Jun
2023:176:00:59:31ER Obsid: 44395 (0 ksec) Purpose: Perigee Attitude 1d 11:19 8:59 PM Sat 24-Jun
2023:176:01:15:12Maneuver to 10.43860 -49.57601 111.034 [2023:176:01:19:51] 1d 11:35 9:15 PM Sat 24-Jun
2023:176:01:23:43Load JUN1923A:CL176:0101 [2023:177:05:22:40] 1d 11:43 9:23 PM Sat 24-Jun
2023:176:01:23:43Load JUN1923A:CL176:0101 [2023:177:05:22:40] 1d 11:43 9:23 PM Sat 24-Jun
2023:176:01:24:21Obsid: 25726 SI: ACIS-I (27 ksec) Target: QSO J0041-4936 1d 11:44 9:24 PM Sat 24-Jun
2023:176:08:54:21Maneuver to 11.33000 -48.59000 111.000 [2023:176:08:58:57] 1d 19:14 4:54 AM Sun 25-Jun
2023:176:09:03:27ER Obsid: 44394 (0 ksec) Purpose: Perigee Attitude 1d 19:23 5:03 AM Sun 25-Jun
2023:176:09:19:08Maneuver to 186.26093 17.03093 246.873 [2023:176:10:03:17] 1d 19:39 5:19 AM Sun 25-Jun
2023:176:10:07:47Obsid: 26750 SI: ACIS-S (10 ksec) Target: VCC 768 1d 20:27 6:07 AM Sun 25-Jun
2023:176:11:35:00Comm pass on DSS-26 (duration 1:00) 1d 21:55 7:35 AM Sun 25-Jun
2023:176:12:54:27Maneuver to 263.74400 -20.73213 252.366 [2023:176:13:24:18] 1d 23:14 8:54 AM Sun 25-Jun
2023:176:13:28:48Obsid: 27911 SI: ACIS-S (10 ksec) Target: NVSS J173459-20 1d 23:48 9:28 AM Sun 25-Jun
2023:176:16:15:28Maneuver to 166.11125 38.25868 260.001 [2023:176:16:50:44] 2d 02:3512:15 PM Sun 25-Jun
2023:176:16:19:02Grating: LETG 2d 02:3912:19 PM Sun 25-Jun
2023:176:16:55:14Obsid: 27185 SI: ACIS-S (14 ksec) Target: MKN421 2d 03:1512:55 PM Sun 25-Jun
2023:176:19:50:00Comm pass on DSS-65 (duration 1:00) 2d 06:10 3:50 PM Sun 25-Jun
2023:176:20:56:54Maneuver to 269.45221 -18.50201 221.064 [2023:176:21:32:47] 2d 07:16 4:56 PM Sun 25-Jun
2023:176:21:00:28Grating: NONE 2d 07:20 5:00 PM Sun 25-Jun
2023:176:21:37:17Obsid: 27912 SI: ACIS-I (10 ksec) Target: HEP G010.379+02 2d 07:57 5:37 PM Sun 25-Jun
2023:177:00:23:57Maneuver to 166.11091 38.25968 260.002 [2023:177:00:59:50] 2d 10:43 8:23 PM Sun 25-Jun
2023:177:00:27:31Grating: LETG 2d 10:47 8:27 PM Sun 25-Jun
2023:177:01:00:00Comm pass on DSS-65 (duration 1:00) 2d 11:20 9:00 PM Sun 25-Jun
2023:177:01:04:20Obsid: 27922 SI: ACIS-S (15 ksec) Target: MKN421 2d 11:24 9:04 PM Sun 25-Jun
2023:177:05:19:40Load JUN2623A:CL177:0503 [2023:179:08:32:48] 2d 15:39 1:19 AM Mon 26-Jun
2023:177:05:19:40Load JUN2623A:CL177:0503 [2023:179:08:32:48] 2d 15:39 1:19 AM Mon 26-Jun
2023:177:05:22:40Maneuver to 270.59020 -23.00659 257.998 [2023:177:05:59:29] 2d 15:42 1:22 AM Mon 26-Jun
2023:177:05:26:14Grating: NONE 2d 15:46 1:26 AM Mon 26-Jun
2023:177:05:29:45Grating: HETG 2d 15:49 1:29 AM Mon 26-Jun
2023:177:06:03:59Obsid: 25796 SI: ACIS-S (12 ksec) Target: Trifid Nebula 2d 16:23 2:03 AM Mon 26-Jun
2023:177:09:32:19Maneuver to 166.11032 38.26140 260.002 [2023:177:10:09:08] 2d 19:52 5:32 AM Mon 26-Jun
2023:177:09:35:53Grating: NONE 2d 19:55 5:35 AM Mon 26-Jun
2023:177:09:39:24Grating: LETG 2d 19:59 5:39 AM Mon 26-Jun
2023:177:10:13:38Obsid: 27184 SI: ACIS-S (17 ksec) Target: MKN421 2d 20:33 6:13 AM Mon 26-Jun

CXO and GOES rates
CXOGOESLimit
HRC shield017250
HRC MCP637430
P4GM---0.02300
P41GM---0.018.47
CXO: from snapshot at 2023:174:12:25:50 (- 1:14)
GOES proxies: scaled 15 min average of GOES-16
Last avgs at HRC: - 0:20   P4GM: - 0:20   P41GM: - 0:20
ACE rates
Value2hr limitOrbital limitHours to
Orbital limit
Current flux21.35000012000> 30
2hr avg flux20.25000012000> 30
Orbital fluence1.4x106---2.0x109---
ACE data from 2023:174:13:15:00 (- 0:25)
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 21/2100Z to 22/2100Z: The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 486 km/s at 21/2107Z. Total IMF reached 7 nT at 22/0630Z. The maximum southward component of Bz reached -6 nT at 22/0715Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 2547 pfu. IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to active levels on day one (23 Jun), quiet to unsettled levels on day two (24 Jun) and quiet levels on day three (25 Jun).
Solar ActivityAnalysis of Solar Active Regions and Activity from 21/2100Z to 22/2100Z: Solar activity has been at moderate levels for the past 24 hours. The largest solar event of the period was a M1 event observed at 22/1121Z from Region 3341 (S15E34). There are currently 11 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 days one, two, and three (23 Jun, 24 Jun, 25 Jun).

Solar X-ray Activity

Solar Wind Data ( SOHO ACE )

Solar Flare Monitor