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Skylab 2
Summary
Skylab 2 (also SL-2 and SLM-1) was the first crewed mission to Skylab, the first American orbital space station. The mission was launched on an Apollo command and service module by a Saturn IB rocket on May 25, 1973, and carried NASA astronauts Pete Conrad, Joseph P. Kerwin, Paul J. Weitz to the station. The name Skylab 2 also refers to the vehicle used for that mission. The Skylab 2 mission established a twenty-eight-day record for human spaceflight duration. Furthermore, its crew was the first space station occupants ever to return safely to Earth – the only previous space station occupants, the crew of the 1971 Soyuz 11 mission that had crewed the Salyut 1 station for twenty-four days, died upon reentry due to unexpected cabin depressurization.
The crewed Skylab missions were officially designated Skylab 2, 3, and 4. Miscommunication about the numbering resulted in the mission emblems reading "Skylab I", "Skylab II", and "Skylab 3" respectively.
Kerwin became the first medical doctor in space. NASA chose a doctor as the first Skylab scientist to better understand the effect of spaceflight on the human body during a long-duration mission.
Robert L. Crippen
Henry W. Hartsfield, Jr
William E. Thornton
Richard H. Truly
Mass: 19,979 kg
Maximum altitude: 440 km
Distance: 18,536,730.9 km
Launch vehicle: Saturn IB
Perigee: 428 km
Apogee: 438 km
Inclination: 50°
Period: 93.2 min
Soft dock: May 26, 1973 – 09:56 UTC
Undocked: May 26, 1973 – 10:45 UTC
Time docked: 49 minutes
Hard dock: May 26, 1973 – 15:50 UTC
Undocked: June 22, 1973 – 08:58 UTC
Time docked: 26 days, 17 hours, 2 minutes
Weitz — EVA 1 (stand up EVA — CM side hatch)
Start: May 26, 1973, 00:40 UTC
End: May 26, 01:20 UTC
Duration: 40 minutes
Conrad and Kerwin — EVA 2
Start: June 7, 1973, 15:15 UTC
End: June 7, 18:40 UTC
Duration: 3 hours, 25 minutes
Conrad and Weitz — EVA 3
Start: June 19, 1973, 10:55 UTC
End: June 19, 12:31 UTC
Duration: 1 hour, 36 minutes
The Skylab station suffered significant damage on its May 14 launch: its micrometeorite shield, and one of its primary solar arrays had torn loose during launch, and the remaining primary solar array was jammed.
Official source
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