AKA: H-2A SSB. Status: Active. Thrust: 626.60 kN (140,865 lbf). Gross mass: 15,200 kg (33,500 lb). Unfuelled mass: 2,100 kg (4,600 lb). Specific impulse: 283 s. Burn time: 60 s. Height: 14.90 m (48.80 ft). Diameter: 1.02 m (3.34 ft). Span: 1.02 m (3.34 ft).
Propellant Formulation: HTPB.