NORAD 24819
INMARSAT 3-F4
Time
- Local time
- -
- -
Position
- Latitude
- -
- Longitude
- -
- 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
- 24819
- International designator
- 1997-027A
- Launch date
- Jun 3, 1997
- Launch site
- FRENCH GUIANA
- 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
- 2026-10-31 23:27:20 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 24.1 hours, on an orbit tilted 11.8° from the equator, between 35,980 and 36,044 km up. Earth is drawn to scale.
Drag to turn · pinch to zoom · it moves live
About INMARSAT 3-F4
INMARSAT 3-F4 is a satellite from IM, launched on Jun 3, 1997 from French Guiana.
It sits in geostationary orbit about 35,800 km above the equator near 17°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.
Inmarsat-3 F4 · communications satellite
- Operated by
- Inmarsat
Wikipedia article ↗ · Names and facts: Wikidata (CC0).
Orbit height over the past year
Over the last 20 days its lowest point went from 35,974 km to 35,979 km. Sudden rises are engine burns that lift the orbit; slow declines are drag from the thin upper atmosphere.
From Space-Track element sets, one point a day.