Back Квант-2 (модул на Мир) Bulgarian Kvant-2 Czech Kwant 2 German Kvant-2 French Kvant-2 Galician Kvant-2 Italian クバント2 Japanese Kwant-2 Polish Kvant-2 Portuguese Квант-2 Russian
 Kvant-2 module | |
| Module statistics | |
|---|---|
| COSPAR ID | 1989-093A |
| Part of | Mir |
| Launch date | November 26, 1989 UTC |
| Launch vehicle | Proton-K |
| Docked | December 6, 1989 UTC |
| Reentry | March 23, 2001 05:50:00 UTC |
| Mass | 19,640 kg (43,300 lb) |
| Length | 12.2 m (40 ft) |
| Diameter | 4.35 m (14.3 ft) |
| Pressurised volume | 61.9 m3 (2,190 cu ft) |
Kvant-2 (Russian: Квант-2; English: Quantum-II/2) (77KSD, TsM-D, 11F77D) was the third module and second major addition to the Mir space station. Its primary purpose was to deliver new science experiments, better life support systems, and an airlock to Mir. It was launched on November 26, 1989 on a Proton rocket. It docked to Mir on December 6. Its control system was designed by the NPO "Electropribor"[1] (Kharkiv, Ukraine).