NORAD 21576
ORBCOMM-X
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
- 21576
- International designator
- 1991-050C
- Launch date
- Jul 17, 1991
- Launch site
- FRENCH GUIANA
- Radar size (RCS)
- Medium (0.1–1 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
- 2026-10-29 02:48:04 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 100 minutes, on an orbit tilted 98.3° from the equator, between 769 and 782 km up. Earth is drawn to scale.
Drag to turn · pinch to zoom · it moves live
About ORBCOMM-X
ORBCOMM-X is a satellite from the United States, launched on Jul 17, 1991 from French Guiana.
It circles Earth every 100 minutes (14.4 times a day), between 743 and 750 km up, on an orbit tilted 98.3° to the equator, so its path covers latitudes up to 82° north and south.
The map shows where it is right now; the pass list tells you when it next comes over your location.
American experimental communications satellite, failed shortly after reaching orbit
- Operated by
- Orbcomm
- Built by
- Orbital Sciences Corporation
- Mass
- 22 kg
Names and facts: Wikidata (CC0).
Orbit height over the past year
Over the last 18 days its lowest point went from 744 km to 743 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.