Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Key parameters of typical satellite Earth orbits.
| Orbit | Altitude | Onboard Angular Range | Visibility Time | Latency |
|---|---|---|---|---|
| VLEO | <500 km | Beyond ± 60° | <20 min. | <20 ms |
| LEO | ~1000 km | ±60° | 20 min. | ~20 ms |
| MEO | ~10,000 km | ±20° | 45 min. | ~100 ms |
| GEO | 35,786 km | ±8.7° | Permanent | ~250 ms |
| HEO | Up to 40,000 km at apogee | ±10° | A few hours | ~250 ms |
