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Space Environment Technologies
GAPS - Current Geosynchronous Spacecraft Charging
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GAPS Home
Solar Geomag. Conditions
 
Skynet4C_33E
Skynet4E_1W
Skynet5A_95E
Skynet5B_25E
Skynet5C_17W
Skynet5D_52E
Geosynchronous charging environment (shaded)
Geosynchronous charging environment (sunlight)
shaded charging environment sunlit charging environment
Geosynchronous Charging Conditions
Satellite
issue_time Oct 25 2025 21:00 UT
storm_alert G0 Quiet geomagnetic activity at Oct 25 2025 03:00 UT with 19 4pi fluence of 1.69E+06 electrons/cm2 over the past 24 hours
charging_alert(shade) none with deep dielectric discharging probability of 0%
charging_alert (sunlight) none with deep dielectric discharging probability of 0%
  • Geosynchronous Plasma Environment Model (GEOPOT08):
  • Shaded non-lit spacecraft surfaces
  • Sunlight spacecraft surfaces (photoemission on Al)
  • Two-Maxwellian energy distribution (e,p)
  • Seasonal Eclipse duration at current epoch
GAPS Home
Solar Geomag. Conditions