OrbitNight

NORAD 2403

OPS 0856

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

Time

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Position

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Longitude
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Speed

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Miles per second
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From your location

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Local sidereal time
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Sunlight

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Its orbit in 3D

Goes round Earth once every 2.8 hours, on an orbit tilted 90.3° from the equator, between 3,694 and 3,714 km up. Earth is drawn to scale.

Drag to turn · pinch to zoom · it moves live

About OPS 0856

OPS 0856 is a satellite from the United States, launched on Aug 19, 1966 from Air Force Western Test Range.

It circles Earth every 167 minutes (8.6 times a day), between 3,681 and 3,692 km up, on an orbit tilted 90.3° to the equator, so its path covers latitudes up to 90° north and south.

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

MIDAS 11 · American early-warning satellite

Names and facts: Wikidata (CC0).

Orbit height over the past year

Over the last 10 days its lowest point went from 3,680 km to 3,681 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)
3,6803,6853,690

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