Helios
IOC: 1995
Total Production: 4
Total Program's Cost: USD$4.9 billion
Production: 2
Unitary Cost: USD$1.0 billion
Origin
France
Program Status:
Inactive - No Longer Operational
Contractor/s
EADS Astrium
Family Members
Helios II
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Description:
The Helios is a earth observation satellite owned by France and jointly sponsored by Italy (14%) and Spain (7%). The satellite operates at an altitude of 700 kilometers on a polar sun-synchronous orbit and has been equipped with a CCD-TV imaging sensor with an estimated resolution of one meter.
The main ground control station is located in France, but there are other minor control stations located in the other partner countries: Italy and Spain. However, France remains the most priority user of Helios earth observation system with the wider access to data collected by the Helios satellites.
The first Helios satellite, Helios 1A, was launched in 1995 and the second one, Helios 1B, was put into orbit in 1999.
Specifications
Weights: Max Weight 2,500 kg (5,511 lb)
Performance: Orbit 700 km (378 nm), Service Life 5 yr
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Operators
see operators map | see family operators map
 France / Inactive - No Longer Operational
 Italy / Inactive - No Longer Operational
 Spain / Inactive - No Longer Operational
Spacecraft
Helios IA / Inactive - No Longer Operational
Launch Vehicle:
Undisclosed - Space Launch Systems
Launch Site:
Undisclosed Site
Launch Date:
1995
Helios IB / Inactive - No Longer Operational
Launch Vehicle:
Undisclosed - Space Launch Systems
Launch Site:
Undisclosed Site
Launch Date:
1999
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Notes
(*) lead contractor
IOC: Initial Operating Capability
FOC: Full Operating Capability
CEP: Circular Error Probable
Comm: Commissioning Date
Meters (m) Kilometers (km) Nautic Miles (nm) Inch (in) Yard (yd) Foot (ft) Millimeter (mm)
Pound (lb) Kilogram (kg) kN (KiloNewton) Ton (t)
Meters per Second (mps) Kilometers per Hour (kph) Knot (kt) Miles per Hour (mph)
Liter (l) Galon (gl)
Year (yr) Minutes (min) Second (sec)
Shaft-Horse-Power (shp)
Last Updated: Saturday, December 20, 2008
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