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OHO 1 [Thales Alenia Space]

OHO 1 was a planned Ku-band communications satellite of OverHorizon.

Orbital Sciences Corporation announced in December 2009 that it has signed a contract for a new geosynchronous (GEO) communications satellite contract with OverHorizon, with offices in the U.S., Sweden and Cyprus.

The OverHorizon satellite was to provide a regenerative system for broadband communications services. Delivered via satellite, OverHorizon was to provide its services to, from, and between small, inexpensive user terminals installed on mobile vehicles, such as cars, trucks, boats and airplanes.

The OHO 1 spacecraft was to be based on Orbitalís Star-2.3 satellite platform and was to carry an on-board processing payload provided by Thales Alenia Space. Both Orbital and Thales Alenia Space were to share in the contract responsibilities as co-prime partners. The satellite was to be delivered in early 2012. Financial terms of the contract were not disclosed.

A contract with Arianespace was signed to provide a launch on an Ariane-5ECA or Soyuz-ST-B Fregat-MT rocket.

The contract to build OHO 1 was cancelled sometimes before September 2012.

Nation: USA
Type / Application: Communication
Operator: OverHorizon
Contractors: Thales Alenia Space (payload), Orbital Sciences Corporation (OSC) (bus)
Equipment: Ku-band payload
Configuration: Star-2.3 Bus
Propulsion: IHI BT-4
Power: 2 deployable solar arrays, batteries
Lifetime: +15 years
Mass: 3200 kg
Orbit: GEO
Satellite COSPAR Date LS Launch Vehicle Remarks
OHO 1 - cancelled Ko Ariane-5ECA or Soyuz-ST-B Fregat-MT

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