OrbitNight

NORAD 21805

USA 75

📡 Radar viewIn orbit
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Computing position…
Blue circle: where it is above the horizon now

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From your location

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Its orbit in 3D

Goes round Earth once every 24.2 hours, on an orbit tilted 13.9° from the equator, between 36,094 and 36,107 km up. Earth is drawn to scale.

Drag to turn · pinch to zoom · it moves live

About USA 75

USA 75 is a satellite from the United States, launched on Nov 24, 1991 from Air Force Eastern Test Range.

It sits in geostationary orbit about 35,800 km above the equator near 160°W, turning with Earth so it stays over the same spot.

The map shows where it is right now; the pass list tells you when it next comes over your location.

DSP 16 · American early warning satellite

Names and facts: Wikidata (CC0).

Orbit height over the past year

Over the last 35 days its lowest point went from 36,081 km to 36,088 km. Sudden rises are engine burns that lift the orbit; slow declines are drag from the thin upper atmosphere.

Lowest point (perigee)Highest point (apogee)
36,08036,08536,09036,09536,10036,105Oct 26

From Space-Track element sets, one point a day.