Interplanetary Space Travel Calculator Calculating a Hohmann Transfer Between Planets Mission Parameters Destination Mars Venus Jupiter Saturn Departure Orbit Alt m (from Earth) Arrival Orbit Alt m (from destination) Total
Two-Body Problem Orbit Calculator From State Vectors to Orbital Elements Central Body Select a Body (sets Mass μ) Earth Moon Mars Sun Custom μ Gravitational Parameter (μ) m³/s² Satellite State
Hohmann Transfer Calculator The Most Fuel-Efficient Orbital Maneuver Maneuver Inputs Central Body Custom Parameters Earth Mars Sun Mass of Body (M) kg Initial Orbit Altitude (h₁) m (e.g., LEO) Final
Specific Orbital Energy Calculator Based on the Vis-viva Equation Calculation Inputs Select a Celestial Body Custom Parameters Earth Moon Mars Jupiter Sun Mass of Body (M) kg Semi-Major Axis (a)
Orbital Period Calculator Applying Kepler's Third Law of Planetary Motion Calculation Inputs Select a Celestial Body Custom Parameters Earth Moon Mars Jupiter Sun Mass of Body (M) kg Semi-Major Axis
Orbital Velocity Calculator For a Stable Circular Orbit Calculation Inputs Select a Celestial Body Custom Parameters Earth Moon Mars Jupiter Sun Mass of Body (M) kg Radius of Body (R)
Delta-V Calculator Based on the Tsiolkovsky Rocket Equation Rocket Parameters Specific Impulse (Iₛₚ) seconds Initial Mass (m₀) kg Propellant Mass (mₚ) kg Total Delta-V (Δv) 0.00 m/s Theory & Step-by-Step
Escape Velocity Calculator The Speed Required to Break Free from a Celestial Body's Gravity Calculation Inputs Select a Celestial Body Custom Parameters Earth Moon Mars Jupiter Sun Mass (M) kg
Digital E6B Flight Computer Interactive Aviation Calculations Time/Speed/Distance Fuel Consumption Altitude & Airspeed Time, Speed, Distance Ground Speed (knots) Distance (NM) Time (minutes) Theory & Solution+ Fuel Consumption Fuel Flow
Flight Endurance & Fuel Planner Analyzing Fuel Consumption by Flight Phase Aircraft & Fuel Load Aircraft Type (Load Presets) Custom Parameters Boeing 737-800 Airbus A320neo Boeing 787-9 Initial Fuel (kg)