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Earth Rotation Speedometer
GPS SVN-78
LOCKED
0°
Speed
1674 km/h
Also in mph
1040 mph
In m/s
465 m/s
Zone
Equator
Units:
Live Orbital Debris Field Tracking
● LEO 160–2,000 km
● MEO 2,000–35,786 km
● GEO ~35,786 km
ISS 408 km
Hubble 547 km
Starlink ~550 km
GPS 20,200 km
Estimated objects in orbit right now
140,001,000
+~2,000 new / year
Ticking at the real NASA ODPO annual rate — 1 new object every ~4.4 hours.
KESSLER SYNDROME — CRITICAL THRESHOLD
LEO is approaching the density where collisions produce more debris than decays — a self-sustaining cascade that could make low Earth orbit permanently unusable for centuries.
LEO criticality index
87% of threshold
Source: NASA Orbital Debris Program Office.
By size class (est. total: 140M+)
>10 cm radar-tracked27,000+
1–10 cm lethal, untrackable~900,000
<1 cm paint flecks to bolts~140,000,000+
A 1 cm fragment hits with the energy of a hand grenade
ISS performs ~3 avoidance maneuvers per year
Kessler cascade = no space access for hundreds of years
Community Orbital Sightings
4 reports
Session-local — submit yours below
Report a sighting
