NORAD 15071

USA 3

📡 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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About USA 3

USA 3 is a satellite from the United States, launched on Jun 25, 1984 from Air Force Western Test Range.

It circles Earth every 95 minutes (15.2 times a day), between 519 and 523 km up, on an orbit tilted 95.9° to the equator, so its path covers latitudes up to 84° north and south.

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

former American SIGINT satellite

Operated by
United States Air Force
Built by
Lockheed Corporation
Mass
340 kg

Names and facts: Wikidata (CC0).

Orbit height over the past year

Over the last 14 days its lowest point went from 520 km to 519 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)
518519520521522523

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