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OVERVIEW
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CONTROLS
Auto-refresh: solar/Kp every 60s - NEO/approaches every 5 min
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Next approach
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Closest (30 days)
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Within 1 LD
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Inside Moon orbit
Total in 30d
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All sizes
CLOSE APPROACHES - NEXT 30 DAYSNASA JPL LIVE
ObjectDateLDAUkm/sm dia.
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Source: ssd-api.jpl.nasa.gov/cad.api - LD = lunar distances (384,400 km)
MISS DISTANCE (LUNAR DISTANCES)
Highest Palermo
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Above 0 = warrants attention
Highest Torino
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0=none, 10=certain impact
Objects tracked
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Non-zero risk
Top risk object
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NASA SENTRY RISK TABLENASA SSD LIVE
ObjectYearsNPalermoTor.Dia kmProb %
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Source: ssd-api.jpl.nasa.gov/sentry.api - Palermo Scale: less than -2 = routine, greater than 0 = exceptional
Wind speed
-- km/s
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Proton density
-- /cm3
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IMF Bz
-- nT
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IMF Bt total
-- nT
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SOLAR WIND SPEED - 7 DAYSNOAA DSCOVR LIVE
Source: NOAA SWPC plasma-7-day.json - Nominal solar wind: 400-500 km/s
PROTON DENSITY - 7 DAYSNOAA DSCOVR LIVE
IMF Bz COMPONENT - 7 DAYSNOAA DSCOVR LIVE
Southward Bz (negative) = magnetosphere open to solar wind - Sustained less than -10nT typically causes aurora - NOAA SWPC mag-7-day.json
Current Kp
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Storm level
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NOAA G-scale
Aurora boundary
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Approx. latitude
Last reading
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3-hr update cycle
Kp INDEX - 27 READINGSNOAA SWPC LIVE
LATEST 9 x 3-HR BLOCKS - G1:Kp5 G2:Kp6 G3:Kp7 G4:Kp8 G5:Kp9
G-SCALE REFERENCE
SOLAR FLARE EVENTSNOAA GOES-16 LIVE
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Source: NOAA SWPC xray-flares-latest.json - Classes A<B<C<M<X by peak flux
FLUX CLASS SCALE
A - backgroundless than 10-7 W/m2
B - minor10-7 to 10-6 W/m2
C - small10-6 to 10-5 W/m2
M - moderate10-5 to 10-4 W/m2
X - extremegreater than 10-4 W/m2