Convert Orbital Speed (ISS) to Nautical Miles per Minute
Convert Orbital Speed (ISS) (v_orb) to Nautical Miles per Minute (nmi/min) instantly and accurately.
Conversion Formula
nmi/min = v_orb × 248.1641469
About Orbital Speed (ISS)
The ISS orbits at ~408 km altitude at ≈7,660 m/s (27,576 km/h) - the practical LEO benchmark. At this speed it completes one orbit in 92.68 min (15.5 orbits per day), giving astronauts 16 sunrises and sunsets every 24 hours. Delta-v to reach LEO from Earth's surface is ~9,400 m/s (with gravity and drag losses). GEO at 35,786 km requires only ~3,075 m/s per Kepler's third law. 1 ISS speed ≈ 7,660 m/s.
About Nautical Miles per Minute
A nautical mile per minute (nmi/min) = 1,852/60 m/s ≈ 30.867 m/s = 60 knots. At 1 nmi/min, elapsed time in minutes equals distance in nautical miles - dead-reckoning made trivial. Mach 1 at sea level ≈ 1.1 nmi/min; Concorde at Mach 2.02 flew ~3 nmi/min. ATC radar separation standards use nmi and minutes as native units, making nmi/min the implicit reference. 1 nmi/min = 1,852 km/h = 60 kn.
Quick Reference Table
| Orbital Speed (ISS) (v_orb) | Nautical Miles per Minute (nmi/min) |
|---|---|
| 1 v_orb | 248.164 nmi/min |
| 2 v_orb | 496.328 nmi/min |
| 5 v_orb | 1240.82 nmi/min |
| 10 v_orb | 2481.64 nmi/min |
| 25 v_orb | 6204.1 nmi/min |
| 50 v_orb | 12408.2 nmi/min |
| 100 v_orb | 24816.4 nmi/min |