Crew Size: 6. Length: 3.28 m (10.74 ft). Basic Diameter: 4.00 m (13.10 ft). Maximum Diameter: 4.00 m (13.10 ft). Habitable Volume: 6.00 m3. Mass: 6,204 kg (13,677 lb). Structure Mass: 1,161 kg (2,559 lb). Heat Shield Mass: 666 kg (1,468 lb). Recovery Equipment: 270 kg (590 lb). Navigation Equipment: 120 kg (260 lb). Telemetry Equipment: 75 kg (165 lb). Electrical Equipment: 230 kg (500 lb). Crew Seats and Provisions: 445 kg (981 lb). Crew mass: 500 kg (1,100 lb). Miscellaneous Contingency: 840 kg (1,850 lb). Environmental Control System: 487 kg (1,073 lb). Payload: 500 kg (1,100 lb). RCS Coarse No x Thrust: 12 x 400 N. RCS Fine No x Thrust: 20 x 30 N. RCS Propellants: N2O4/MMH. RCS Isp: 312 sec. RCS Impulse: 2,142 kgf-sec. Main Engine: 210 kg (460 lb). Main Engine Thrust: 1.608 kN (361 lbf). Main Engine Propellants: N2O4/MMH. Main Engine Propellants: 700 kg (1,540 lb). Main Engine Isp: 312 sec. L/D Hypersonic: 0.32. Spacecraft delta v: 157 m/s (515 ft/sec). Electrical System: Solar Panels. Electric System: 0.50 average kW. Electric System: 60.00 kWh.