Salyut 4 (DOS-4)

Launch, orbit & landing data: Designation  07591 / 74104A Launch date - time  26 Dec 1974 - 04:15 UT Launch site  Baikonur, LC81P Launch vehicle  Proton-K Mass (kg)  18900 Earth orbit on :    - Perigee / Apogee  219 x 270 km    - Inclination  51.6°    - Period  89.1 min Entry ignition date - time  02 Feb 1977 - 23:31 UT Reentry location  Pacific Ocean Flight Duration (d:hr:min)  769d 19h 12m Nbr orbits  12188

Salyut 4 in Assembly Hall - Credit: RKK Energia.

Mission details:

• Salyut 4 was the first civilian space station be successfully operated.
• Habitable orbital first-generation space station (one docking port, could not be resupplied or refueled).
• Work of crews of spacecrafts "Soyuz-17"  and "Soyuz-18"  . Docking with pilotness "Soyuz-20".
  

Astrophilately covers:

Launch cancel Baikonur-Karaganda. Credit: #410

Launch cancel Moscou.