Kosmos 573 ( meaning Cosmos 573) was an unmanned test of the Soyuz without solar arrays in 1973. It did not dock with a space station. Mission parameters Spacecraft: Soyuz-7K-T Mass: Crew: None Launched: June 15, 1973 Landed: June 17, 1973 External links Mir Hardware Heritage Mir Hardware Heritage - NASA report (PDF format) Mir Hardware Heritage (wikisource) References Kosmos 0573 1973 in the Soviet Union Spacecraft launched in 1973