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ITS SSTO Calculator
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dV for Ascent9300m/sVelocity change to be executed, normally between 9km/s and 10km/s for LEO
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dV for Landing0m/sVelocity change to be executed, normally between 500m/s and 1000m/s for landing
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Isp352sAverage specific impulse for rocket engines
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Propellant mass1100tTotal mass of useful propellant
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Dry mass85tDry mass of spacecraft including unused propellant, engines and structure
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Extra PropellantYesWhether extra useful propellant can be added up to the 380t limit for cargo
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Payload ReturnNoWhether or not to return the payload to the surface of the Earth
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# RaptorVac0Number of Vacuum Raptor Engines
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# RaptorSL6Number of Sea-Level Raptor Engines
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Payload mass-5.169014651.947043643
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Non return-5.169014651.947043643
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Payload mass1.947043643tMass of payload
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Liftoff Mass1565tTotal liftoff mass
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Liftoff Thrust11400kNThrust of all Sea-Level Engines
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Liftoff TWR0.7425428183Thrust-to-Weight Ratio
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