NORAD 21806
IUS R/B(1)
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
- -
Identity
- NORAD ID
- 21806
- International designator
- 1991-080C
- Launch date
- Nov 24, 1991
- Launch site
- AIR FORCE EASTERN TEST RANGE
- Radar size (RCS)
- Large (over 1 m²)
Radio
- Uplink
- -
- Downlink
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- Beacon
- -
- Mode
- -
Active transmitters from SatNOGS DB, licensed CC BY-SA 4.0.
Your station
- Grid locator
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Live
- Azimuth
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- Elevation
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- Range
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- Range rate
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- Naked-eye visibility
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- Sub-satellite grid
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- Footprint diameter
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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
- 2026-11-07 17:10:48 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 10.0 hours, on an orbit tilted 26.5° from the equator, between 443 and 34,071 km up. Earth is drawn to scale.
Drag to turn · pinch to zoom · it moves live
About IUS R/B(1)
IUS R/B(1) is a spent rocket stage from the United States, launched on Nov 24, 1991 from Air Force Eastern Test Range.
It circles Earth every 602 minutes (2.4 times a day), between 437 and 34,060 km up, on an orbit tilted 26.5° to the equator, so its path covers latitudes up to 26° north and south.
The map shows where it is right now; the pass list tells you when it next comes over your location.