Orbital Traffic All objects

Science

DMSP 5D-3 F18 (USA 210)

Military Weather · US Air Force

Right now

It moves every second. See exactly where it is — worked out from its orbit, on your own device — on the live 3D globe.

Watch it live on the 3D globe

The newest active DMSP satellite, F18 monitors global cloud patterns, precipitation, and ocean surface winds for US military operations. Its J-sensor measures charged particle precipitation — the same particles causing aurora and disrupting radio communications at high latitudes, directly affecting military communications in polar regions.

Its orbit

Orbit
Low Earth Orbitcan appear as a fast-moving star at dawn or dusk
Altitude
521–531 mi (839–855 km)
Inclination
98.9°
One orbit
101.7 minutes14.2 orbits a day
NORAD ID
35951
Int’l designator
2009-057A
Launched
2009

Orbital elements from CelesTrak, as of 22 Sep 2026.

More science