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As of September 2015, 3 Proton-M/Blok DM-03 have been launched, of which 2 have failed. In the 2010 failure, the rocket was too heavy to reach orbit and reentered the atmosphere during a coast phase between the end of third stage flight and the beginning of the Blok DM-03's first burn, whilst the 2013 flight failed after the rocket went out of ...
On 7 July 2007, International Launch Services launched the first Proton-M Enhanced rocket (also called M+), which carried the DirecTV-10 satellite into orbit. This was the 326th launch of a Proton, the 16th Proton-M/Briz-M launch, and the 41st Proton launch to be conducted by ILS. [13]
The initial version of Proton M, could launch 3–3.2 tonnes (6,600–7,100 lb) into geostationary orbit or 5.5 tonnes (12,000 lb) into a geostationary transfer orbit. It could place up to 22 tonnes (49,000 lb) in low Earth orbit with a 51.6-degree inclination, the orbit of the International Space Station (ISS).
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As of 13 March 2023, rockets of the UR-500 / Proton family have accumulated 430 launches since 1965, 382 of which were successful, yielding an 88.8% success rate. For launches in a specific decade, see: List of Proton launches (1965–1969) List of Proton launches (1970–1979) List of Proton launches (1980–1989)
The following chart shows the number of launch systems developed in each country, and broken down by operational status. Rocket variants are not distinguished; i.e., the Atlas V series is only counted once for all its configurations 401–431, 501–551, 552, and N22.
Proton-M/Briz-M 8K82KM/11S43 Site 200/39 Sirius FM-6: Geosynchronous transfer Success [35] Communications, Commercial launch conducted by International Launch Services 535-41 11 November 2013 23:46:00 Proton-M/Briz-M 8K82KM/11S43 Site 81/24 Raduga 1M #3: Geosynchronous Success Communications 935-44 8 December 2013 12:12:00 Proton-M/Briz-M ...
The first heavy-lift launch vehicles in the 1960s included the US Saturn IB and the Soviet Proton. Saturn IB was designed to carry the Apollo spacecraft into orbit and had increased engine thrust and a redesigned second stage from its predecessor. Proton was originally designed to be a large intercontinental ballistic missile (ICBM). [4]