Soyuz-U2
Function | Orbital carrier rocket |
---|---|
Manufacturer | Samara Progress |
Country of origin | Soviet Union |
Size | |
Height | 34.54 metres (113.3 ft) |
Diameter | 2.95 metres (9 ft 8 in) |
Mass | 297,800 kilograms (656,500 lb) |
Stages | 2 |
Capacity | |
Payload to LEO | |
Mass | 7,050 kilograms (15,540 lb) |
Associated rockets | |
Family | R-7 (Soyuz) |
Launch history | |
Status | Retired |
Launch sites | LC-1/5 & 31/6, Baikonur |
Total launches | 72 |
Success(es) | 72 |
Failure(s) | 0 |
First flight | 23 December 1982 |
Last flight | 3 September 1995 |
Type of passengers/cargo | Soyuz crew Progress cargo Zenit, Orlets spy satellites Gamma telescope |
[edit on Wikidata] |
The Soyuz-U2 (GRAU index 11A511U2) was a Soviet, later Russian, carrier rocket. It was derived from the Soyuz-U, and a member of the R-7 family of rockets. It featured increased performance compared with the baseline Soyuz-U, due to the use of syntin propellant, as opposed to RP-1 paraffin, used on the Soyuz-U.[1]
The increased payload of the Soyuz-U2 allowed heavier spacecraft to be launched, while lighter spacecraft could be placed in higher orbits, compared to those launched by Soyuz-U rockets. In 1996, it was announced that the Soyuz-U2 had been retired, as the performance advantage gained through the use of syntin did not justify the additional cost of its production. The final flight, Soyuz TM-22, occurred on 3 September 1995 from Gagarin's Start in Baikonur.
The Soyuz-U2 was first used to launch four Zenit reconnaissance satellites, then it delivered crewed Soyuz spacecraft to space stations Salyut 7 and Mir: missions Soyuz T-12 to T-15 and Soyuz TM-1 to TM-22. It also supplied the stations with Progress cargo spacecraft: Progress 20 to Salyut 7, Progress 25 to 42 to Mir, followed by the new generation Progress M-1 to M-18 and finally M-23. Other missions included the Gamma telescope and three Orlets reconnaissance satellites. In total, Soyuz-U2 was launched 72 times and experienced no failures over its operational lifetime.[2][3]
See also
References
- ^ Wade, Mark. "Soyuz 11A511U2". Encyclopedia Astronautica. Archived from the original on August 29, 2002. Retrieved 2008-12-24.
- ^ Krebs, Gunter. "Soyuz-U2 (11A511U2)". Gunter's Space Page. Retrieved 2008-12-24.
- ^ McDowell, Jonathan. "R-7 family". Launch Lists. Jonathan's Space Page. Archived from the original on 2008-06-22. Retrieved 2008-12-24.
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