Presets populate realistic starting values you can tweak.
Orbit – altitude, inclination, eccentricity, RAAN
Bus – mass, size, power, thermal
Comms – RF band, antenna, link budget
Propulsion & ADCS – delta‑V, Isp, wheels, pointing
Payloads – cameras, radars, science
Reliability & Ops – MTBF, lifetime, ground passes
Load: CubeSat EO
Load: Comms GEO
Load: Science Orbiter
Load: Deep Space Probe