OrbitNight

NORAD 14930

OPS 7641

📡 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 24.3 hours, on an orbit tilted 10.0° from the equator, between 36,228 and 36,266 km up. Earth is drawn to scale.

Drag to turn · pinch to zoom · it moves live

About OPS 7641

OPS 7641 is a satellite from the United States, launched on Apr 14, 1984 from Air Force Eastern Test Range.

It sits in geostationary orbit about 35,800 km above the equator near 2°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 11 · American missile launch warning satellite launched in 1984

Operated by
United States Air Force
Built by
TRW Inc.
Mass
1,170 kg

Names and facts: Wikidata (CC0).

Orbit height over the past year

Over the last 12 days its lowest point went from 36,195 km to 36,192 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)
36,20036,22036,24036,26036,280

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