NORAD 57100
DELTA 4 R/B
📡 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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Identity
- NORAD ID
- 57100
- International designator
- 2023-089B
- Launch date
- Jun 22, 2023
- Launch site
- AIR FORCE EASTERN TEST RANGE
- Radar size (RCS)
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Radio
- Uplink
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- Downlink
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- Beacon
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- Mode
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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
- 2026-10-28 03:27:01 UTC
- TLE age
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Radio data from SatNOGS DB and SatNOGS Network, licensed CC BY-SA 4.0.
Its orbit in 3D
Goes round Earth once every 24.9 hours, on an orbit tilted 2.3° from the equator, between 36,359 and 37,454 km up. Earth is drawn to scale.
Drag to turn · pinch to zoom · it moves live
About DELTA 4 R/B
DELTA 4 R/B is a spent rocket stage from the United States, launched on Jun 22, 2023 from Air Force Eastern Test Range.
It sits in geostationary orbit about 35,800 km above the equator near 66°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.