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NORAD 28891

TOPSAT

📡 Radar viewIn orbit
Tap to zoom and pan
Computing position…
Blue circle: where it is above the horizon now

Time

Local time
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Position

Latitude
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Longitude
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Altitude
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Speed

Miles per hour
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Kilometers per second
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Miles per second
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From your location

Azimuth
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Elevation
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Right ascension
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Declination
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Local sidereal time
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Sunlight

Day / night
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Its orbit in 3D

Goes round Earth once every 98 minutes, on an orbit tilted 98.3° from the equator, between 677 and 699 km up. Earth is drawn to scale.

Drag to turn · pinch to zoom · it moves live

About TOPSAT

TOPSAT is a satellite from the United Kingdom, launched on Oct 27, 2005 from Plesetsk Missile and Space Complex.

It circles Earth every 98 minutes (14.6 times a day), between 667 and 689 km up, on an orbit tilted 98.3° to the equator, so its path covers latitudes up to 82° north and south.

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

TopSat · retired British Earth observation satellite

Operated by
British National Space Centre, Ministry of Defence
Built by
Surrey Satellite Technology, QinetiQ
Mass
115 kg

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

Orbit height over the past year

Over the last 24 days its lowest point went from 668 km to 667 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)
670675680685690Nov 26

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