Telstar 18

Russian communications satellite

Telstar 18 (Apstar 5) is a Russian communications satellite that was launched by a Zenit-3SL rocket from the Ocean Odyssey platform floating on the equatorial Pacific Ocean at 04:00 UT on 29 June 2004. It was intended to be a geostationary satellite, but due to the premature stoppage of the boost from the final DM-SL stage, it ended at 21000 km, far below the geostationary orbit. Trim-maneuver thrusters attached to the satellite were used to slowly raise to geostationary orbit to an approximately geostationary status at 36000 km.

Telstar 18 is designed for a mission life of 13 years.[1] Although fuel use from trim-maneuver thrusters can impact adversely the useful lifespan of a geostationary. The satellite was projected to have enough fuel left to exceed the planned 13 year lifetime.[2]

Telstar 18 provides Ku-band voice, video and data services to China, Hawaii, and East Asia. It also provides C-band services to other parts of the Asia-Pacific region, including Australia and Hawaii. The satellite is used to provide space-based Internet backbone services for the main cities of Asia to and from the United States through Hawaii.[1]

References

  1. ^ a b "Telstar 18 / APStar 5". Gunter's Space Page. Retrieved 2023-04-14.
  2. ^ "NASA - NSSDCA - Spacecraft - Details". nssdc.gsfc.nasa.gov. Retrieved 2023-04-14.
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← 2003
Orbital launches in 2004
2005 →
January
  • Estrela do Sul 1
  • Progress M1-11
February
  • AMC-10
  • USA-176
  • Molniya-1 No.93
March
AprilMayJune
  • Kosmos 2406
  • Intelsat 10-02
  • USA-178
  • Telstar 18
  • Demeter, AprizeSat-1, AprizeSat-2, Saudisat-2, SaudiComsat-1, SaudiComsat-2, UniSat-3, AMSAT-Echo
July
AugustSeptember
October
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Crewed flights are underlined. Launch failures are marked with the † sign. Payloads deployed from other spacecraft are (enclosed in parentheses).


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