NORAD 28492
HELIOS 2A
Time
- Local time
- -
- -
Position
- Latitude
- -
- Longitude
- -
- Altitude
- -
Speed
- Miles per hour
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- Kilometers per second
- -
- Miles per second
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From your location
- Azimuth
- -
- Elevation
- -
- Right ascension
- -
- Declination
- -
- Local sidereal time
- -
Sunlight
- Day / night
- -
Identity
- NORAD ID
- 28492
- International designator
- 2004-049A
- Launch date
- Dec 18, 2004
- Launch site
- FRENCH GUIANA
- Radar size (RCS)
- Large (over 1 m²)
Radio
- Uplink
- -
- Downlink
- 2,206.542 MHz · FM
- Beacon
- -
- Mode
- FM
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 DopplerS-band telemetry
Transmitter · FM
- Downlink
- 2,206.542 MHz
- CTCSS
- -
- Baud
- -
Recent receptions
SatNOGS Network-
Orbit data
- TLE epoch
- 2026-11-04 21:50:01 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 96 minutes, on an orbit tilted 98.2° from the equator, between 557 and 572 km up. Earth is drawn to scale.
Drag to turn · pinch to zoom · it moves live
About HELIOS 2A
HELIOS 2A is a satellite from France, launched on Dec 18, 2004 from French Guiana.
It circles Earth every 96 minutes (15.0 times a day), between 555 and 559 km up, on an orbit tilted 98.2° 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.
Hélios 2A · European military reconnaissance satellite
- Operated by
- Direction générale de l'Armement
- Built by
- Astrium
- Mass
- 4,200 kg
Wikipedia article ↗ · Names and facts: Wikidata (CC0).
Orbit height over the past year
Over the last 24 days its lowest point went from 556 km to 556 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.