Skylab II

This article is about the deep-space space station mission concept. For the second launch of the original Skylab program, see Skylab 2. For the backup Skylab space station, see Skylab B. For another deep-space space station proposed to NASA, see Deep Space Habitat. For other uses, see Skylab Two (disambiguation).

Skylab II
Artist's conception of the Orion spacecraft docking with a module of the proposed Skylab II.
Station statistics
Crew4
Launchafter 2021
Carrier rocketSpace Launch System
Mission statusProposed
Mass37,300 kg (82,200 lb)
Length11.15 m (36.6 ft)
Diameter8.5 m (28 ft)
Pressurised volume495 m3 (17,500 ft3)
Orbital inclination5.145°
Orbital period27.321661 days
Days occupied60–180 days (planned)
Configuration
Skylab II Habitat made from the SLS upper-stage hydrogen tank.

Skylab II was a space station concept proposed in 2013 by the Advanced Concepts Office of NASA Marshall Space Flight Center, to be located at the Earth-Moon L2 Lagrangian point. Proposed by NASA contractor Brand Griffin, Skylab II would have been constructed as a "wet workshop" using a spent upper-stage hydrogen fuel tank from the Space Launch System (SLS), much as the Skylab was originally planned to be built "wet" from the spent bipropellant tanks of the Saturn S-IVB upper stage. If constructed, Skylab II would have been the first crewed outpost located beyond the orbit of the Moon.

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