Proposed version of Gemini for low-earth orbit solar or stellar astronomy. This would be launched by a Saturn S-IB. It has an enlarged reentry module which seems to be an ancestor of the 'Big Gemini' of 1967.
Crew Size: 2. Length: 8.77 m (28.77 ft). Maximum Diameter: 6.61 m (21.68 ft). Mass: 18,500 kg (40,700 lb).
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