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Pick up to 4 vehicles to compare specs and flight records side by side.
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Specification
Epsilon
Japan Aerospace Exploration Agency
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Vostok 8A92M
RKK Energiya
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Flights
6
93
Success rate
83.3%
98.9%
Thrust
2,271 kN
3,996 kN
Height
24.4 m
30.84 m
Diameter
2.5 m
2.99 m
Launch mass
91 t
282 t
LEO capacity
—
3,800 kg
GTO capacity
—
—
Launch cost
$39M
—
Reusable
No
No
Stages
4
2
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