Space-Time Dilation Visualizer
See how time bends when you travel through space at relativistic speeds
Mission Parameters
Destination
Moon (384,400 km)
Mars — closest approach (54.6M km)
Jupiter (588M km)
Pluto (5.9B km)
Alpha Centauri (4.37 ly)
TRAPPIST-1 (39.6 ly)
Galactic Center (26,000 ly)
Andromeda Galaxy (2.537M ly)
Custom distance…
Distance (light-years)
Acceleration
1.0 g
Coasting
0%
% of distance at constant velocity
Journey Statistics
Peak Velocity
—
Earth Time
—
Ship Time
—
Time Saved
—
Peak Lorentz Factor
—
time runs this much slower
Birthdays Missed
—
aging gap on return
Peak Kinetic Energy
—
Fuel (antimatter)
—
for a 1000 kg ship
Fuel & Energy Calculator
Ship Mass (dry)
1 tonne (probe)
10 tonnes (capsule)
100 tonnes (spacecraft)
1,000 tonnes (starship)
Custom…
Mass (kg)
Fuel Type
Antimatter (E=mc²)
Deuterium Fusion (0.4% mc²)
Uranium Fission (0.08% mc²)
Liquid Hydrogen/LOX
Total Δv Required
—
relativistic delta-v
Energy Required
—
Fuel Mass Required
—
includes fuel-carrying-fuel
Fuel:Payload Ratio
—
mass of fuel per kg of ship
Velocity Profile
Ship Time vs Earth Time
Lorentz Factor (γ)
Distance Covered