NORAD 13011
CAT 4
Time
- Local time
- -
- -
Position
- Latitude
- -
- Longitude
- -
- Altitude
- -
Speed
- Miles per hour
- -
- Kilometers per second
- -
- Miles per second
- -
From your location
- Azimuth
- -
- Elevation
- -
- Right ascension
- -
- Declination
- -
- Local sidereal time
- -
Sunlight
- Day / night
- -
Identity
- NORAD ID
- 13011
- International designator
- 1981-122B
- Launch date
- Dec 20, 1981
- 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
- 2026-10-23 20:16:15 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 7.2 hours, on an orbit tilted 10.6° from the equator, between 1,761 and 33,993 km up. Earth is drawn to scale.
Drag to turn · pinch to zoom · it moves live
About CAT 4
CAT 4 is a satellite from the European Space Agency, launched on Dec 20, 1981 from French Guiana.
It circles Earth every 435 minutes (3.3 times a day), between 265 and 24,994 km up, on an orbit tilted 10.6° to the equator, so its path covers latitudes up to 11° north and south.
The map shows where it is right now; the pass list tells you when it next comes over your location.
CAT-4 · ESA artificial satellite
- Operated by
- European Space Agency
- Built by
- Aeritalia, Selenia
Names and facts: Wikidata (CC0).