OrbitNight

NORAD 13969

TDRS 1

📡 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 24.3 hours, on an orbit tilted 8.5° from the equator, between 36,197 and 36,260 km up. Earth is drawn to scale.

Drag to turn · pinch to zoom · it moves live

About TDRS 1

TDRS 1 is a satellite from the United States, launched on Apr 4, 1983 from Air Force Eastern Test Range.

It sits in geostationary orbit about 35,800 km above the equator near 163°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.

TDRS-1 · decommissioned American communications satellite

Operated by
National Aeronautics and Space Administration
Built by
TRW Inc.
Mass
2,268 kg

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

Orbit height over the past year

Over the last 13 days its lowest point went from 36,122 km to 36,120 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)
36,10036,15036,20036,25036,300

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