:File information *********************************** :Title: Skynet4E 1W 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 12 2026 21:00 UT with 19 4pi fluence of 6.02E+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 12 56 7 G0 4.8600E+01 1.1700E+01 7.2200E+01 5.6200E+02 1.3100E+01 6.9100E+03 2.2200E+01 2.8700E+04 -5.0000E+03 possible Apr 13 2026 00:00 15 28 3 G0 3.3100E+01 1.9500E+01 6.1300E+01 1.6600E+02 5.5300E+00 8.1000E+03 3.8500E+01 1.9400E+04 -2.0605E+03 low Apr 13 2026 03:00 18 28 3 G0 4.4400E+01 6.9500E+01 5.2700E+01 2.3400E+01 5.1600E+00 8.1100E+03 5.2500E+01 1.5700E+04 -9.6190E+02 low Apr 13 2026 06:00 21 28 3 G0 6.8800E+01 8.2300E+01 4.7500E+01 1.4700E+02 1.8600E+01 5.8100E+03 5.1000E+01 1.5500E+04 -4.6777E+03 possible Apr 13 2026 09:00 0 19 3 G0 7.8000E+01 7.1300E+01 3.5400E+01 1.5100E+02 3.7000E+01 5.2400E+03 5.0300E+01 1.3600E+04 -5.0000E+03 possible Apr 13 2026 12:00 3 25 0 G0 7.4800E+01 7.5400E+01 2.8700E+01 4.8500E+01 4.4000E+01 5.3000E+03 5.3600E+01 1.1000E+04 -5.0000E+03 possible Apr 13 2026 15:00 6 22 3 G0 6.9700E+01 5.5600E+01 4.8100E+01 6.2200E+00 3.1700E+01 5.7200E+03 3.8200E+01 1.4300E+04 -2.9102E+03 low Apr 13 2026 18:00 9 22 0 G0 6.2200E+01 2.5800E+01 6.7000E+01 2.8300E+02 1.8500E+01 6.3600E+03 2.2200E+01 2.4800E+04 -5.0000E+03 possible Apr 13 2026 21:00 12 18 3 G0 4.4900E+01 9.9500E+00 6.8600E+01 4.4300E+02 1.0400E+01 7.0000E+03 2.2800E+01 2.6800E+04 -4.3750E+03 low Apr 14 2026 00:00 15 22 7 G0 3.2700E+01 1.8800E+01 6.0700E+01 1.5200E+02 5.3200E+00 8.1200E+03 3.8600E+01 1.9200E+04 -1.9434E+03 low Apr 14 2026 03:00 18 19 0 G0 4.3300E+01 6.4900E+01 5.1900E+01 1.5700E+01 4.9000E+00 8.1000E+03 5.2500E+01 1.5500E+04 -7.7150E+02 low Apr 14 2026 06:00 21 16 0 G0 6.7000E+01 7.4200E+01 4.6200E+01 1.1200E+02 1.7300E+01 5.8100E+03 5.1300E+01 1.5200E+04 -4.2480E+03 low Apr 14 2026 09:00 0 19 3 G0 7.8000E+01 7.1300E+01 3.5400E+01 1.5100E+02 3.7000E+01 5.2400E+03 5.0300E+01 1.3600E+04 -5.0000E+03 possible Apr 14 2026 12:00 3 19 3 G0 7.4300E+01 7.1300E+01 2.8400E+01 5.7800E+01 4.2400E+01 5.3100E+03 5.3500E+01 1.0900E+04 -5.0000E+03 possible Apr 14 2026 15:00 6 19 3 G0 6.9400E+01 5.4300E+01 4.7800E+01 5.2100E+00 3.1100E+01 5.7200E+03 3.8200E+01 1.4200E+04 -2.7197E+03 low Apr 14 2026 18:00 9 16 0 G0 6.1400E+01 2.4800E+01 6.6400E+01 2.7000E+02 1.7800E+01 6.3800E+03 2.2300E+01 2.4500E+04 -5.0000E+03 possible Apr 14 2026 21:00 12 10 0 G0 4.4200E+01 9.5500E+00 6.7800E+01 4.1800E+02 9.8700E+00 7.0300E+03 2.3000E+01 2.6300E+04 -4.1797E+03 low Apr 15 2026 00:00 15 11 1 G0 3.1800E+01 1.7600E+01 5.9600E+01 1.2900E+02 4.9400E+00 8.1600E+03 3.8700E+01 1.8800E+04 -1.7188E+03 low Apr 15 2026 03:00 18 12 1 G0 4.2500E+01 6.1400E+01 5.1200E+01 1.0700E+01 4.6900E+00 8.1000E+03 5.2500E+01 1.5300E+04 -6.2500E+02 low Apr 15 2026 06:00 21 10 1 G0 6.6100E+01 7.0300E+01 4.5600E+01 9.5700E+01 1.6600E+01 5.8200E+03 5.1400E+01 1.5100E+04 -4.0234E+03 low Apr 15 2026 09:00 0 6 1 G0 7.6600E+01 6.3000E+01 3.4100E+01 1.0200E+02 3.3900E+01 5.2600E+03 5.0600E+01 1.3200E+04 -5.0000E+03 possible Apr 15 2026 12:00 3 7 1 G0 7.3400E+01 6.3500E+01 2.7800E+01 7.9000E+01 3.9000E+01 5.3300E+03 5.3300E+01 1.0800E+04 -5.0000E+03 possible Apr 15 2026 15:00 6 8 1 G0 6.8300E+01 4.9400E+01 4.7000E+01 2.2100E+00 2.8800E+01 5.7500E+03 3.8200E+01 1.4000E+04 -1.9434E+03 low Apr 15 2026 18:00 9 8 1 G0 6.0500E+01 2.3500E+01 6.5700E+01 2.5400E+02 1.6800E+01 6.4000E+03 2.2400E+01 2.4200E+04 -5.0000E+03 possible Apr 15 2026 21:00 12 8 1 G0 4.4000E+01 9.4500E+00 6.7600E+01 4.1200E+02 9.7300E+00 7.0400E+03 2.3000E+01 2.6200E+04 -4.1211E+03 low Apr 16 2026 00:00 15 8 1 G0 3.1600E+01 1.7200E+01 5.9300E+01 1.2300E+02 4.8300E+00 8.1700E+03 3.8800E+01 1.8700E+04 -1.6504E+03 low Apr 16 2026 03:00 18 8 1 G0 4.2000E+01 5.9300E+01 5.0900E+01 8.2300E+00 4.5700E+00 8.1000E+03 5.2500E+01 1.5200E+04 -5.4200E+02 low Apr 16 2026 06:00 21 8 1 G0 6.5800E+01 6.9000E+01 4.5400E+01 9.0500E+01 1.6400E+01 5.8200E+03 5.1400E+01 1.5000E+04 -3.9453E+03 low Apr 16 2026 09:00 0 8 1 G0 7.6800E+01 6.4200E+01 3.4300E+01 1.0900E+02 3.4400E+01 5.2600E+03 5.0500E+01 1.3300E+04 -5.0000E+03 possible Apr 16 2026 12:00 3 8 1 G0 7.3500E+01 6.4100E+01 2.7900E+01 7.7100E+01 3.9300E+01 5.3300E+03 5.3300E+01 1.0800E+04 -5.0000E+03 possible Apr 16 2026 15:00 6 8 1 G0 6.8300E+01 4.9400E+01 4.7000E+01 2.2100E+00 2.8800E+01 5.7500E+03 3.8200E+01 1.4000E+04 -1.9434E+03 low Apr 16 2026 18:00 9 8 1 G0 6.0500E+01 2.3500E+01 6.5700E+01 2.5400E+02 1.6800E+01 6.4000E+03 2.2400E+01 2.4200E+04 -5.0000E+03 possible Apr 16 2026 21:00 12 8 1 G0 4.4000E+01 9.4500E+00 6.7600E+01 4.1200E+02 9.7300E+00 7.0400E+03 2.3000E+01 2.6200E+04 -4.1211E+03 low Apr 17 2026 00:00 15 8 1 G0 3.1600E+01 1.7200E+01 5.9300E+01 1.2300E+02 4.8300E+00 8.1700E+03 3.8800E+01 1.8700E+04 -1.6504E+03 low Apr 17 2026 03:00 18 8 1 G0 4.2000E+01 5.9300E+01 5.0900E+01 8.2300E+00 4.5700E+00 8.1000E+03 5.2500E+01 1.5200E+04 -5.4200E+02 low Apr 17 2026 06:00 21 8 1 G0 6.5800E+01 6.9000E+01 4.5400E+01 9.0500E+01 1.6400E+01 5.8200E+03 5.1400E+01 1.5000E+04 -3.9453E+03 low