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Vanguard-1

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AKA: Vanguard. Status: Retired 1959. Thrust: 134.79 kN (30,302 lbf). Gross mass: 7,661 kg (16,889 lb). Unfuelled mass: 811 kg (1,787 lb). Specific impulse: 270 s. Specific impulse sea level: 248 s. Burn time: 145 s. Height: 12.20 m (40.00 ft). Diameter: 1.14 m (3.74 ft). Span: 1.14 m (3.74 ft).

Cost $ : 4.000 million.