NORAD 32299

ASTRA 4A (SIRIUS 4)

📡 Radar viewIn orbit
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Computing position…
Blue circle: where it is above the horizon now

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Its orbit in 3D

Goes round Earth once every 23.9 hours, on an orbit tilted 0.0° from the equator, between 35,784 and 35,803 km up. Earth is drawn to scale.

Drag to turn · pinch to zoom · it moves live

About ASTRA 4A (SIRIUS 4)

ASTRA 4A (SIRIUS 4) is a satellite from SES, launched on Nov 17, 2007 from Tyuratam Missile and Space Complex.

It sits in geostationary orbit about 35,800 km above the equator near 5°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.

Astra 4A · Swedish communications satellite

Operated by
SES Sirius
Built by
Lockheed Martin
Mass
4,600 kg

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

Orbit height over the past year

Over the last 24 days its lowest point went from 35,775 km to 35,778 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)
35,77535,78035,78535,79035,795Nov 26

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