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From Wikipedia, the free encyclopedia

Telstar 12
NamesOrion 2 (1999)
Telstar 12 (2000—)
Mission typeCommunications
OperatorLoral Skynet[1] (1999-07)
Telesat (2007—)
COSPAR ID1999-059A
SATCAT no.25949
Mission duration15 years
Spacecraft properties
ManufacturerSpace Systems/Loral
Launch mass3,814 kilograms (8,408 lb)
Power10.6 kilowatts
Start of mission
Launch date19 October 1999, 06:22 (1999-10-19UTC06:22Z) UTC
RocketAriane 44LP H10-3
Launch siteKourou ELA-2
Orbital parameters
Reference systemGeocentric
Longitude15° west
Perigee altitude35,780 kilometres (22,230 mi)
Apogee altitude35,805 kilometres (22,248 mi)
Inclination0.01 degrees
Period23.93 hours
Epoch29 October 2013, 07:55:57 UTC[2]
Band38 Ku-band
FrequencyUplink: 13.75-14.5 gigahertz
Downlink: 10.95-12.75 gigahertz
Bandwidth54 megahertz
Coverage areaNorth America
South America
Middle East
South Africa[3][4]

Telstar 12, previously known as Orion 2, is a Canadian communications satellite in the Telstar series which is operated by Telesat. It was originally built for Orion Network Systems, which merged with Loral Skynet shortly before the satellite was launched. It was subsequently transferred to Telesat when it merged with Loral Skynet in 2007.

Telstar 12 is a Ku band satellite with coverage of North America as far west as Cleveland, Ohio, the majority of South America and Europe. Telstar 12 also has the capability to provide intercontinental connectivity including trans-Atlantic to the Mid-East.[3] Eutelsat uses four transponders on the satellite for services between Europe and the Americas.[5]

Signal coverage
Signal coverage

On 1Q 2016, Telstar 12 was replaced in its orbital position with Telstar 12 Vantage satellite.

See also


  1. ^ "Telstar Fleet". Loral Skynet. Archived from the original on 9 February 2012.
  2. ^ "TELSTAR 12 (ORION 2) Satellite details 1999-059A NORAD 25949". N2YO. 29 October 2013. Retrieved 29 October 2013.
  3. ^ a b "Telstar 12 15° W" (PDF). Loral Skynet. Archived from the original (PDF) on 9 February 2012.
  4. ^ "Telstar 12 Downlink Coverage". Eutelsat. Archived from the original on 5 October 2013. Retrieved 4 October 2013.
  5. ^ "TELSTAR 12 :: 15° West" Archived 2006-05-14 at the Wayback Machine

External links

This page was last edited on 1 October 2019, at 14:24
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