βοΈSolar Cycle
The Sun follows an ~11-year activity cycle.
Minimum: Few sunspots, calm
Maximum: Frequent flares, storms, aurora
Now: Solar Maximum Approaching
Sunspots: 62
More sunspots = more active regions = higher storm risk.
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βοΈ Solar Flares
X-ray intensity classes:
A, B, C: Minor β no impact
M-Class: Radio blackouts, GPS issues
X-Class: Satellite damage risk
Current: Quiet
G3 storm active (Kp 7.0) β flare watch continues.
More radiation = more risk to satellites and comms.
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βοΈ Solar Flux
Solar flux (F10.7) measures the Sun's radio output β a proxy for activity.
< 100: Quiet
100β150: Moderate
> 150: High
Now: 106 (Moderate)
Higher flux = more UV heating = upper atmosphere expands = more satellite drag.
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π Space Weather 101 β Kp Index
Kp (0β9) measures Earth's magnetic disturbance.
For satellites:
β’ Kp 5+: more drag, orbit decay
β’ Kp 7+: GPS errors, charging risks
β’ Kp 9: objects can be lost
Now: Kp 0.40 (Quiet)
NOAA forecast: Kp 6.33 by Mar 21
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β OmniOrbit Space Weather Update
March 19, 2026 β 07:30 UTC
Kp Index: 0.67 (Quiet) β
Solar Wind: 347.6 km/s
Solar Flux: 113 (Moderate)
X-Ray: Quiet
Sunspots: 8
Calm conditions across the board β a good day for LEO ops.
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