Newer Telstars
Subsequent Telstar satellites were advanced commercial geosynchronous spacecraft that share only their name with Telstar 1 and 2.
The second wave of Telstar satellites launched with Telstar 301 in 1983, followed by Telstar 302 in 1984 (which was renamed Telstar 3-D after carried into space by Shuttle mission STS-41-D), and by Telstar 303 in 1985.
The next wave, starting with Telstar 401, came in 1993; which was lost in 1997 due to a magnetic storm, and then Telstar 402 was launched but destroyed shortly after in 1994. It was replaced in 1995 by Telstar 402R, eventually renamed Telstar 4.
Telstar 10 was launched in China in 1997 by APT Satellite Company, Ltd.
In 2003, Telstars 4–8 and 13 — Loral Skynet's North American fleet — were sold to Intelsat. Telstar 4 suffered complete failure prior to the handover. The others were renamed the Intelsat Americas 5, 6, etc. At the time of the sale, Telstar 8 was still under construction by Space Systems/Loral, and it was finally launched on June 23, 2005 by Sea Launch.
Telstar 18 was launched in June 2004 by Sea Launch. The upper stage of the rocket underperformed, but the satellite used its significant stationkeeping fuel margin to achieve its operational geostationary orbit. It has enough on-board fuel remaining to allow it to exceed its specified 13-year design life.
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