Data Layers
Near-Earth Asteroids
Hazardous Only
Comets
Solar Weather Ring
Meteor Showers
Fast Radio Bursts
Gravitational Waves
Satellites & Debris
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Space Stations
Re-entering ⚠
Starlink
All Active
Minimum Size
Filter by estimated diameter
Legend
Safe (>0.05 AU)
Watch zone (0.01–0.05 AU)
Potentially hazardous
Comet (JPL data)
Meteor shower radiant
Space stations (ISS etc)
Re-entering objects
Starlink constellation
Active satellites
Moon orbit
PHA threshold (0.05 AU)
Scale Reference
🌍 Earth — center
🌕 Moon — 0.00257 AU
⚠️ PHA limit — 0.05 AU
🔭 View edge — ~0.18 AU
Scale: √AU → pixels
Non-linear for visibility
Non-linear for visibility
Coming Soon
📡 LIGO/GW alerts (GraceDB)
☢️ Supernova candidates
🛰 Decaying satellite alerts
🔭 Interstellar objects
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Approach date
Miss distance
Lunar distances
Velocity
Diameter est.
Hazardous
Click any object for details
AD — 300 × 230
Upcoming Close Approaches
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