:File information *********************************** :Title: Skynet4C 33E Geosynchronous Charging Environment (Sunlight) :Message ID: GEOCAPS21/2461145.40000 :Issue_Time: Apr 14 2026 21:00 UT :GEOMAGNETIC STORM ALERT: G0 Quiet geomagnetic activity at Apr 15 2026 00:00 UT with 19 4pi fluence of 5.95E+06 electrons/cm2 over the past 24 hours :GEOSYNCHRONOUS CHARGING ALERT: none with deep dielectric discharging probability of 0% :Updated_by: chgops_sat.pro :Data_time_zone: UT :Data_Source: GEOPOT08 :version: GAPS v1.40 : #Program information ******************************** #Manufactured by Space Environment Technologies Data Services Division (SET/DSD) #Contact data@spacewx.com #Reference: NASA-HDBK-4002A (03-03-2011), MITIGATING IN-SPACE CHARGING EFFECTS—A GUIDELINE # #Header information ********************************* #Mon Dy YYYY hh:mm: month day year hour minute (UT) #LT: local time #ap8: scalar for GEOPOT08 #ap: actual planetary geomagnetic index #G: NOAA G-scale value #Elec Den 1: GEOPOT08 electron density 1 X 100 (electrons cm-3) #Elec Temp1: GEOPOT08 electron temperature 1 (eV) #Ion Dens 1: GEOPOT08 ion density 1 X 100 (protons cm-3) #Ion Temp 1: GEOPOT08 ion temperature 1 (eV) #Elec Den 2: GEOPOT08 electron density 2 X 100 (electrons cm-3) #Elec Temp2: GEOPOT08 electron temperature 2 (eV) #Ion Dens 2: GEOPOT08 ion density 2 X 100 (protons cm-3) #Ion Temp 2: GEOPOT08 ion temperature 2 (eV) #TSPotential: thick sheath potential (kV) #SCProb: thick sheath potential probability of surface electrostatic discharging: # 0 - 500 kV unlikely # 500 - 4500 kV low # 4500 - 8500 kV possible # 8500 - 12500 kV moderate # 12500 - 16500 kV elevated # 16500 - 20500 kV high # 20500 - 30500 kV severe # #Mon Dy YYYY hh:mm LT ap8 ap G Elec Den 1 Elec Temp1 Ion Dens 1 Ion Temp 1 Elec Den 2 Elec Temp2 Ion Dens 2 Ion Temp 2 TSPotential SCProb Apr 12 2026 21:00 14 56 7 G0 3.7600E+01 1.3500E+01 6.7700E+01 3.7400E+02 8.4500E+00 7.5400E+03 3.1500E+01 2.3000E+04 -3.6133E+03 low Apr 13 2026 00:00 17 28 3 G0 3.7700E+01 5.2600E+01 5.4900E+01 3.4100E+01 4.1800E+00 8.7300E+03 4.9600E+01 1.6300E+04 -8.6430E+02 low Apr 13 2026 03:00 20 28 3 G0 6.1200E+01 8.3100E+01 4.9400E+01 7.3200E+01 1.2400E+01 6.3300E+03 5.2700E+01 1.5500E+04 -3.0664E+03 low Apr 13 2026 06:00 23 28 3 G0 7.7800E+01 7.8200E+01 4.1200E+01 2.7300E+02 3.3000E+01 5.3200E+03 4.8800E+01 1.4800E+04 -5.0000E+03 possible Apr 13 2026 09:00 2 19 3 G0 7.6200E+01 7.1800E+01 2.7900E+01 6.7900E+00 4.2900E+01 5.2400E+03 5.4000E+01 1.1400E+04 -4.5020E+03 possible Apr 13 2026 12:00 5 25 0 G0 7.1400E+01 6.6200E+01 3.9600E+01 9.5400E+00 3.7200E+01 5.5400E+03 4.5300E+01 1.2300E+04 -3.9844E+03 low Apr 13 2026 15:00 8 22 3 G0 6.5600E+01 3.4900E+01 6.2800E+01 1.7000E+02 2.2300E+01 6.1400E+03 2.5700E+01 2.1200E+04 -5.0000E+03 possible Apr 13 2026 18:00 11 22 0 G0 5.1600E+01 1.3300E+01 6.9700E+01 4.4800E+02 1.2900E+01 6.7800E+03 2.0800E+01 2.8100E+04 -4.9609E+03 possible Apr 13 2026 21:00 14 18 3 G0 3.4600E+01 1.1300E+01 6.3900E+01 2.6400E+02 6.7200E+00 7.6400E+03 3.2200E+01 2.1500E+04 -2.8027E+03 low Apr 14 2026 00:00 17 22 7 G0 3.7100E+01 5.0400E+01 5.4300E+01 2.7900E+01 4.0300E+00 8.7300E+03 4.9600E+01 1.6200E+04 -7.6660E+02 low Apr 14 2026 03:00 20 19 0 G0 5.9900E+01 7.7200E+01 4.8500E+01 5.6500E+01 1.1700E+01 6.3300E+03 5.2800E+01 1.5300E+04 -2.7539E+03 low Apr 14 2026 06:00 23 16 0 G0 7.6300E+01 7.0200E+01 3.9900E+01 2.1300E+02 3.0600E+01 5.3300E+03 4.9200E+01 1.4500E+04 -5.0000E+03 possible Apr 14 2026 09:00 2 19 3 G0 7.6200E+01 7.1800E+01 2.7900E+01 6.7900E+00 4.2900E+01 5.2400E+03 5.4000E+01 1.1400E+04 -4.5020E+03 possible Apr 14 2026 12:00 5 19 3 G0 7.0900E+01 6.2800E+01 3.9200E+01 1.2600E+01 3.5800E+01 5.5500E+03 4.5200E+01 1.2200E+04 -4.2188E+03 low Apr 14 2026 15:00 8 19 3 G0 6.5300E+01 3.4200E+01 6.2600E+01 1.6500E+02 2.1900E+01 6.1400E+03 2.5700E+01 2.1100E+04 -5.0000E+03 possible Apr 14 2026 18:00 11 16 0 G0 5.1000E+01 1.2900E+01 6.9100E+01 4.3100E+02 1.2400E+01 6.8000E+03 2.0900E+01 2.7800E+04 -4.8145E+03 possible Apr 14 2026 21:00 14 20 0 G0 3.4700E+01 1.1400E+01 6.4100E+01 2.6900E+02 6.8100E+00 7.6300E+03 3.2200E+01 2.1600E+04 -2.8516E+03 low Apr 15 2026 00:00 17 31 11 G0 3.8000E+01 5.3700E+01 5.5200E+01 3.7400E+01 4.2500E+00 8.7200E+03 4.9600E+01 1.6400E+04 -9.1800E+02 low Apr 15 2026 03:00 20 42 11 G0 6.3300E+01 9.2500E+01 5.0700E+01 1.0300E+02 1.3300E+01 6.3400E+03 5.2500E+01 1.5800E+04 -3.5156E+03 low Apr 15 2026 06:00 23 49 11 G0 8.0500E+01 9.2900E+01 4.3500E+01 3.9400E+02 3.7100E+01 5.3000E+03 4.8000E+01 1.5400E+04 -5.0000E+03 possible Apr 15 2026 09:00 2 63 10 G0 7.9900E+01 1.0500E+02 3.0700E+01 9.5100E+00 5.5000E+01 5.2000E+03 5.4300E+01 1.2100E+04 -5.0000E+03 possible Apr 15 2026 12:00 5 72 10 G0 7.5700E+01 9.5200E+01 4.2500E+01 1.6200E-01 4.8100E+01 5.4900E+03 4.5700E+01 1.3000E+04 -1.1230E+03 low Apr 15 2026 15:00 8 81 10 G0 7.2600E+01 4.9600E+01 6.7800E+01 2.7400E+02 3.0800E+01 6.0500E+03 2.5100E+01 2.3300E+04 -5.0000E+03 possible Apr 15 2026 18:00 11 79 9 G0 5.7800E+01 1.7100E+01 7.4800E+01 6.1400E+02 1.7800E+01 6.6600E+03 2.0000E+01 3.1100E+04 -5.0000E+03 possible Apr 15 2026 21:00 14 76 9 G0 3.9200E+01 1.4600E+01 6.9600E+01 4.3500E+02 9.3600E+00 7.5000E+03 3.1100E+01 2.3800E+04 -3.9941E+03 low Apr 16 2026 00:00 17 73 9 G0 4.2200E+01 6.8700E+01 5.9100E+01 9.6900E+01 5.2600E+00 8.7200E+03 4.9300E+01 1.7400E+04 -1.6309E+03 low Apr 16 2026 03:00 20 71 8 G0 6.7600E+01 1.1200E+02 5.3600E+01 1.7800E+02 1.5300E+01 6.3700E+03 5.2100E+01 1.6500E+04 -4.3164E+03 low Apr 16 2026 06:00 23 68 8 G0 8.3100E+01 1.0700E+02 4.5800E+01 5.1900E+02 4.0800E+01 5.3000E+03 4.7200E+01 1.6000E+04 -5.0000E+03 possible Apr 16 2026 09:00 2 63 8 G0 7.9900E+01 1.0500E+02 3.0700E+01 9.5100E+00 5.5000E+01 5.2000E+03 5.4300E+01 1.2100E+04 -5.0000E+03 possible Apr 16 2026 12:00 5 61 7 G0 7.4600E+01 8.8000E+01 4.1800E+01 1.5300E-01 4.5600E+01 5.5000E+03 4.5600E+01 1.2800E+04 -1.0620E+03 low Apr 16 2026 15:00 8 58 7 G0 6.9900E+01 4.3800E+01 6.5900E+01 2.3200E+02 2.7500E+01 6.0800E+03 2.5300E+01 2.2500E+04 -5.0000E+03 possible Apr 16 2026 18:00 11 56 7 G0 5.5300E+01 1.5600E+01 7.2800E+01 5.4700E+02 1.5800E+01 6.7000E+03 2.0300E+01 2.9900E+04 -5.0000E+03 possible Apr 16 2026 21:00 14 54 7 G0 3.7400E+01 1.3400E+01 6.7500E+01 3.6800E+02 8.3600E+00 7.5400E+03 3.1500E+01 2.3000E+04 -3.5742E+03 low Apr 17 2026 00:00 17 52 6 G0 4.0100E+01 6.1300E+01 5.7100E+01 6.4200E+01 4.7600E+00 8.7200E+03 4.9500E+01 1.6900E+04 -1.2744E+03 low Apr 17 2026 03:00 20 50 6 G0 6.4500E+01 9.7900E+01 5.1500E+01 1.2200E+02 1.3900E+01 6.3500E+03 5.2400E+01 1.6000E+04 -3.7500E+03 low Apr 17 2026 06:00 23 48 6 G0 8.0400E+01 9.2200E+01 4.3400E+01 3.8800E+02 3.6900E+01 5.3000E+03 4.8000E+01 1.5400E+04 -5.0000E+03 possible