OrbitNight

NORAD 6217

OPS 8180 (STP RADSAT)

In orbit
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Computing position…
Blue circle: where it is above the horizon now

Time

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Speed

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From your location

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Its orbit in 3D

Goes round Earth once every 98 minutes, on an orbit tilted 98.7° from the equator, between 716 and 737 km up. Earth is drawn to scale.

Drag to turn · pinch to zoom · it moves live

About OPS 8180 (STP RADSAT)

OPS 8180 (STP RADSAT) is a satellite from the United States, launched on Oct 2, 1972 from Air Force Western Test Range.

It circles Earth every 98 minutes (14.7 times a day), between 651 and 664 km up, on an orbit tilted 98.7° to the equator, so its path covers latitudes up to 81° north and south.

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

Radsat · American satellite launched in 1972

Wikipedia article ↗ · Names and facts: Wikidata (CC0).

Orbit height over the past year

Over the last 11 days its lowest point went from 651 km to 651 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)
650655660665

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