Tool Center
Equatorial Orbit Designer
Design equatorial orbits and calculate altitudes, velocity, period, eccentricity, and eclipse.
Ideal Rocket Equation
Calculate spacecraft motion with the Ideal Rocket Equation using Isp, mass, and delta-v
Propellant Mass Calculator
Compute exhaust velocity, propellant mass, and final mass with rocketry equations.
Hohmann Transfer
Calculate Hohmann transfer details: Delta-V, velocities, and time for orbital maneuvers.
Solar Panel Power Generation
Estimate solar panel power based on sun distance, incidence angle, area, and efficiency.
Sun-Synchronous Orbit Designer
Calculate sun-synchronous orbit properties: required inclination, semi-major axis, orbital period, and nodal precession rate.
Power Budget Calculator
Calculate spacecraft power budget including energy generation, consumption, margins, and battery sizing.