OrbitNight

NORAD 8330

INTELSAT 4A-F1

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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Sunlight

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Its orbit in 3D

Goes round Earth once every 24.0 hours, on an orbit tilted 7.6° from the equator, between 35,879 and 35,905 km up. Earth is drawn to scale.

Drag to turn · pinch to zoom · it moves live

About INTELSAT 4A-F1

INTELSAT 4A-F1 is a satellite from ITSO, launched on Sep 26, 1975 from Air Force Eastern Test Range.

It sits in geostationary orbit about 35,800 km above the equator near 172°E, 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.

Intelsat IVA F-1 · Geostationary communications satellite

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

Orbit height over the past year

Over the last 12 days its lowest point went from 35,854 km to 35,853 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)
35,86035,88035,900

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