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Mir-2 was a Soviet space station project which began in February 1976.[1] Some of the modules built for Mir-2 have been incorporated into the International Space Station (ISS). The project underwent many changes, but was always based on the DOS-8 base block space station core module, built as a back-up to the DOS-7 base block used in the Mir station. The DOS-8 base block was eventually used as the Zvezda module of the ISS. Its design lineage extends back to the original Salyut stations.[2][3][4]
One concept of Mir-2
| |
| Station statistics | |
|---|---|
| Crew | 2-3, up to 6 (two longstay typical) |
| Mission status | Canceled, project converted into International Space Station |
| Mass | 90,000 kg |
| Length | 59.3 m |
| Width | 36.2 m |
| Height | 17.7 m |
| Periapsis altitude | 350 km (220 mi) |
| Apoapsis altitude | 450 km (280 mi) |
| Orbital inclination | 64.8 deg |
The prototype of the central module was as Polyus. Mir-2 would be capable of docking at least four modules in ordinary operation.
Designated as OSETS (Orbital Assembly and Operations Centre). The station would be built in a 65 degree orbit and consist of 90 ton modules.
This would involve launch of the DOS-8, after which the Buran shuttle would grapple the module, rendezvous with Mir, and attach it to the old DOS-7 base block. This plan was later altered so that DOS-8 would maneuver and dock itself to Mir. It would remain attached for two years.
The station would consist of the DOS-8 core module and a cross beam called the NEP (Science Power Platform). This was equipped with MSB retractable solar panels, Sfora thruster packages and small scientific packages.
Four 3 to 4 ton modules were planned:
Russian elements of the International Space Station include:
| Preceded by | Mir-2 project design 14 December 1987 - November 1993 |
Succeeded by |