Soyuz STA/Fregat | CSO-2
Launch Successful
L - -- : -- : -- : --
Dec. 29, 2020, 4:42 p.m.
Instantaneous launch window.
Instantaneous launch window.
For its 10th and final launch of the year — and the fifth in 2020 with the Soyuz medium launcher — Arianespace will send the CSO-2 Earth observation satellite, intended for defense and security applications, into Sun-synchronous orbit. CSO-2 will be launched for the French CNES (Centre National d’E...
The CSO-2 (Composante Spatiale Optique-2) satellite is the second of three new-generation high-resolution optical imaging satellites for the French military, replacing the Helios 2 spy satellite series.
The 2.1a version includes conversion from analog to digital flight control system and uprated engines on the booster and the first stage with improved injection systems. The new digital flight control and telemetry systems allow the rocket to launch from a fixed rather than angled launch platform and adjust its heading in flight. A digital control system also enables the launch of larger commercial satellites with wider and longer payload fairings such as the ST-type fairing. These fairings introduce too much aerodynamic instability for the old analog system to handle. This stage continues to use the RD-0110 engine. The 2.1a/ST version is sometimes called Soyuz ST-A.
Arianespace SA is a multinational company founded in 1980 as the world's first commercial launch service provider. It undertakes the production, operation, and marketing of the Ariane programme. Their vehicles launch exclusively from French Guiana in South America.
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If you would like to see more articles like this please support our coverage of the space program by becoming a Spaceflight Now Member . If everyone who enjoys our website helps fund it, we can expand and improve our coverage further. An …
A Soyuz rocket successfully launched a French reconnaissance satellite Dec. 29 in what is likely the final launch of an active 2020 in spaceflight.
If you would like to see more articles like this please support our coverage of the space program by becoming a Spaceflight Now Member . If everyone who enjoys our website helps fund it, we can expand and improve our coverage further. A s…
The 114th and final orbital launch of 2020 will see a Soyuz ST-A rocket loft the CSO-2 Earth observation satellite for the French Ministry of Defence. Liftoff is expected at 16:42:07 UTC (11:42:07 EST) on 29 December from the ELS (Ensembl…
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