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TDF 1

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TDF 1
Spacecraft properties
Stamp artwork
Names	TDF-1

Mission type	Communications
Operator	Télévision de France / France Télécom
COSPAR ID	1988-098A
SATCAT no.	19621
Mission duration	8 years (planned) 8 years (achieved)


Spacecraft	TDF 1
Spacecraft type	Spacebus
Bus	Spacebus 300
Manufacturer	Eurosatellite (Aérospatiale) and Messerschmitt-Bölkow-Blohm (MBB)
Launch mass	2,144 kg (4,727 lb)
Dry mass	1,300 kg (2,900 lb)
Dimensions	2.4 x 1.64 x 7.1 m Span: 19.3 m on orbit
Power	4.3 kW


Start of mission
Launch date	28 October 1988, 02:17:00 UTC
Rocket	Ariane 2 (V26)
Launch site	Centre Spatial Guyanais, Kourou, ELA-1
Contractor	Arianespace
Entered service	December 1988


End of mission
Disposal	Graveyard orbit
Deactivated	October 1996


Orbital parameters
Reference system	Geocentric orbit^[1]
Regime	Geostationary orbit
Longitude	19.2° West (1988-1996)


Transponders
Band	5Ku-Band^[1]
Bandwidth	27MHz
Coverage area	Europe, France

TDF constellation TDF 2 →

TDF 1orTDF-1 was a French communications satellite which was to have been operated by Télévision de France (France Télécom). It was intended to be used to provide television broadcast services to Europe, however it failed before entering service. It was constructed by Aérospatiale, based on the Spacebus 300 satellite bus, and carried five Ku-band transponders. At launch it had a mass of 2,144 kg (4,727 lb), and an expected operational lifespan of eight years.^[2]

Launch[edit]

TDF 1 was launched by Arianespace using an Ariane 2 launch vehicle flying from ELA-1atCentre Spatial Guyanais, Kourou, French Guiana. The launch took place at 02:17:00 UTC on 28 October 1988.^[3] It was a Spacebus 300 satellite bus.^[2]

Mission[edit]

TDF 1 was placed into a geostationary orbit at a longitude of 19.2° West.^[1]^[4]

References[edit]

^ ^a ^b ^c "TDF 1". TSE. 28 February 2021. Retrieved 18 April 2021.

^ ^a ^b Krebs, Gunter (21 July 2019). "TDF 1, 2". Gunter's Space Page. Retrieved 18 April 2021.

^ McDowell, Jonathan (14 March 2021). "Launch Log". Jonathan's Space Report. Retrieved 18 April 2021.

^ Wade, Mark. "TDF". Encyclopedia Astronautica. Archived from the original on 28 December 2016. Retrieved 18 April 2021.

v t e ← 1987 Orbital launches in 1988 1989 →
January	Kosmos 1908 Kosmos 1909, Kosmos 1910, Kosmos 1911, Kosmos 1912, Kosmos 1913, Kosmos 1914 Gorizont No.25L Progress 34 Kosmos 1915 Meteor-2 No.20
February	USA-29 Kosmos 1916 USA-30 Kosmos 1919, Kosmos 1917, Kosmos 1918 Kosmos 1920 Kosmos 1921 Sakura 3a Kosmos 1922
March	Zhongxing-1 Kosmos 1923 Kosmos 1924, Kosmos 1925, Kosmos 1926, Kosmos 1927, Kosmos 1928, Kosmos 1929, Kosmos 1930, Kosmos 1931 Molniya-1 No.65 Spacenet 3R, Telecom 1C Kosmos 1932 Kosmos 1933 IRS-1A Molniya-1 No.64 Kosmos 1934 Progress 35 Kosmos 1935 San Marco 5 Kosmos 1936 Gorizont No.26L
April	Kosmos 1937 Kosmos 1938 Foton No.4L Kosmos 1939 Transit-O 23, Transit-O 32 Kosmos 1940 Kosmos 1941
May	Ekran No.31L Kosmos 1942 Progress 36 Kosmos 1943 Intelsat VA F-13 Kosmos 1944 Kosmos 1945 Kosmos 1946, Kosmos 1947, Kosmos 1948 Molniya-3 No.49 Kosmos 1949 Kosmos 1950 Kosmos 1951
June	Soyuz TM-5 Kosmos 1952 Kosmos 1953 Meteosat 3, PAS-1, OSCAR-13 Nova 2 Kosmos 1954 Kosmos 1955 Kosmos 1956
July	Okean-O1 No.5 Kosmos 1957 Fobos 1 Unnamed Fobos 2 SROSS-B Kosmos 1958 Progress 37 Kosmos 1959 INSAT-1C, ECS-5 Meteor-3 No.3 Resurs-F1 No.30 Kosmos 1960
August	Kosmos 1961 Fanhui Shi Weixing I-02 Kosmos 1962 Molniya-1 No.66 Kosmos 1963 Gorizont No.28L Kosmos 1964 Kosmos 1965 Transit-O 25, Transit-O 31 Soyuz TM-6 Kosmos 1966
September	USA-31 USA-32 Kosmos 1967 Fengyun I-01 GStar-3, SBS-5 Kosmos 1968 Progress 38 Kosmos 1969 Kosmos 1970, Kosmos 1971, Kosmos 1972 Sakura 3b Ofek-1 Kosmos 1973 NOAA-11 Molniya-3 No.51 STS-26 (TDRS-3)
October	Kosmos 1974 Kosmos 1975 Kosmos 1976 Gran' No.34L Kosmos 1977 Kosmos 1978 TDF 1
November	USA-33 Unnamed Buran 1K1 (37KB No.3770) Kosmos 1979 Kosmos 1980 Kosmos 1981 Soyuz TM-7 Kosmos 1982
December	STS-27 (USA-34) Kosmos 1983 Ekran-M No.12L Skynet 4B, Astra 1A Kosmos 1984 Zhongxing-2 Molniya-3 No.52 Kosmos 1985 Progress 39 Molniya-1 No.63 Kosmos 1986
Launches are separated by dots ( • ), payloads by commas ( , ), multiple names for the same satellite by slashes ( / ). Crewed flights are underlined. Launch failures are marked with the † sign. Payloads deployed from other spacecraft are (enclosed in parentheses).

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Retrieved from "https://en.wikipedia.org/w/index.php?title=TDF_1&oldid=1084023899" Categories: ●Satellites of France ●Communications satellite stubs Hidden categories: ●Use British English from April 2021 ●Use dmy dates from April 2021 ●All stub articles ●This page was last edited on 22 April 2022, at 04:14 (UTC). ●Text is available under the Creative Commons Attribution-ShareAlike License 4.0; additional terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy. Wikipedia® is a registered trademark of the Wikimedia Foundation, Inc., a non-profit organization. ●Privacy policy ●About Wikipedia ●Disclaimers ●Contact Wikipedia ●Code of Conduct ●Developers ●Statistics ●Cookie statement ●Mobile view