Live sky traffic · satellite crossings · conjunction events · reentry watch — astrophotography awareness only, not for aviation or navigation.
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Above Horizon
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Above Mask
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Aircraft
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Satellites
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Stations
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Starlink
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Debris
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Rocket Bodies
◎All-Sky ViewN up · center = zenith · click object to select
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⊞Sky Sector Matrix—
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≡Object Type Lanessorted by azimuth · click to select
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◎Tonight's Imaging Impact▾
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⚠Priority ObjectsMost Likely to Matter
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◈Selected Object
Select an object to inspect
◌Below Mask▾
Type
Name / ID
El° ↓
Az°
Range
Alt
Age
Mag
Risk
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◷Source Health
◈Data Limitations
Not for aviation or navigation. This page is for astrophotography awareness only.
ADS-B coverage gaps. Not all aircraft broadcast ADS-B; military and some GA aircraft may be absent or filtered.
Orbital element age. TLEs are ingested daily from Space-Track.org. Elements older than 2–3 days may produce position errors of tens of km for LEO objects.
Satellite visibility ≠ optical visibility. Many satellites are too faint to affect imaging; position above horizon does not imply visual or photometric interference.
Apparent magnitude unavailable. TLE data does not include reflectivity; magnitude column shows blank until a photometric source is integrated.
Local obstructions not modeled. Trees, buildings, and terrain are not accounted for in the horizon mask.
Satellite counts reflect LEO only (perigee ≤ 2 000 km). GEO and MEO objects are excluded from the current dataset.
