at a later date.

Preliminary design specifications

* Gross mass in low Earth orbit: 36,375 kg
* Mass of xenon propellant: 12,000 kg
* Reactor module mass: 6,182 kg (200 kWe output)
* Spacecraft module dry mass: 16,193 kg
* Science payload mass: 1,500 kg
* Electric turboalternators: multiple 104 kW (440 V AC)
* Deployable radiator: 422 m² surface area
* Electric Herakles ion thrusters: multiple 30 kW high efficiency, specific impulse 7,000 s (69 kN·s/kg)

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