This page no longer updated from 31 October 2001. Latest version can be found at H-2A SSB

Gross Mass: 15,200 kg. Empty Mass: 2,100 kg. Thrust (vac): 63,900 kgf. Isp: 283 sec. Burn time: 60 sec. Propellants: Solid Diameter: 1.0 m. Span: 1.0 m. Length: 14.9 m. Country: Japan. No Engines: 1. Castor 4AXL Status: Development. Comments: Provides supplemental thrust for H-2 or H-2A.
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Last update 12 March 2001.
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© Mark Wade, 2001 .