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The Proton-M, (Протон-М) GRAU index 8K82M or 8K82KM, is an expendable Russian heavy-lift launch vehicle derived from the Soviet-developed Proton.It is built by Khrunichev, and launched from sites 81/24 and 200/39 at the Baikonur Cosmodrome in Kazakhstan.
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 ...
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).
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)
This comparison of orbital launch systems lists the attributes of all current and future individual rocket configurations designed to reach orbit. A first list contains rockets that are operational or have attempted an orbital flight attempt as of 2024; a second list includes all upcoming rockets.
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Proton-M/DM-03 8K82KM/11S861-03 Site 81/24 Ekspress AM8: Geosynchronous Success Communications 935-56 16 October 2015 20:40:11 Proton-M/Briz-M 8K82KM/11S43 Site 200/39 Türksat 4B: Geosynchronous transfer Success [49] Communications, Commercial launch conducted by International Launch Services 535-44 13 December 2015 00:19:00 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]