NORAD 37818
TACSAT 4
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
- -
- Elevation
- -
- Right ascension
- -
- Declination
- -
- Local sidereal time
- -
Sunlight
- Day / night
- -
Identity
- NORAD ID
- 37818
- International designator
- 2011-052A
- Launch date
- Sep 27, 2011
- Launch site
- Kodiak Island, Alaska
- Radar size (RCS)
- Large (over 1 m²)
Radio
- Uplink
- -
- Downlink
- -
- Beacon
- -
- Mode
- -
Active transmitters from SatNOGS DB, licensed CC BY-SA 4.0.
Your station
- Grid locator
- -
Live
- Azimuth
- -
- Elevation
- -
- Range
- -
- Range rate
- -
- Naked-eye visibility
- -
- Sub-satellite grid
- -
- Footprint diameter
- -
Upcoming passes
Next 48 h · your local timeUse your location to predict passes.
Mutual visibility
With another station · next 48 hUse your location to find mutual windows.
Transmitters
Nominal · add location for Doppler-
Recent receptions
SatNOGS Network-
Orbit data
- TLE epoch
- 2026-11-01 11:17:13 UTC
- TLE age
- -
Radio data from SatNOGS DB and SatNOGS Network, licensed CC BY-SA 4.0.
Its orbit in 3D
Goes round Earth once every 3.9 hours, on an orbit tilted 62.9° from the equator, between 310 and 15,518 km up. Earth is drawn to scale.
Drag to turn · pinch to zoom · it moves live
About TACSAT 4
TACSAT 4 is a satellite from the United States, launched on Sep 27, 2011 from Kodiak Island, Alaska.
It circles Earth every 234 minutes (6.2 times a day), between 371 and 12,015 km up, on an orbit tilted 62.9° to the equator, so its path covers latitudes up to 63° north and south.
The map shows where it is right now; the pass list tells you when it next comes over your location.
TacSat-4 · U.S. military experimental reconnaissance and communication satellite
- Operated by
- Air Force Research Laboratory, United States Naval Research Laboratory
- Built by
- Air Force Research Laboratory
- Mass
- 460 kg
Wikipedia article ↗ · Names and facts: Wikidata (CC0).