Artemis Solar System Trajectory Game

Click one object to set the launch point, then another for destination.

Canvas prototypeNASA/JPL dataNo external libraries

Mission setup

Start

Destination

Route estimate

Select a start and destination to calculate the instantaneous separation, straight-line visual trajectory, and travel time.

Artemis reference

NASA’s current Artemis III page describes a 2027 crewed demonstration in low Earth orbit, not a confirmed lunar landing. This prototype therefore uses an Artemis-style Orion/SLS lunar reference: Moon mean distance ÷ configurable outbound transit days. It is a gameplay estimate, not NASA flight dynamics.

Reference Moon transit days

Reference speed—

Moon distance384,400 km

Simulation controls

Time warp: 30 days / second Orbit zoom

Object data

Object	Diameter	Orbit	Speed

Model limits

Planet positions use JPL approximate Keplerian elements for the eight planets where available. Orbit drawing is 2D and compressed so the outer planets fit on screen. The route line is a simplified instantaneous chord, not a powered gravity-assist mission design.

Planet diameters/distances: NASA/JPL Solar System Sizes and Distances.
Mean orbital velocities: NASA Basics of Space Flight, Solar System chapter.
Planet positions: JPL Solar System Dynamics approximate planetary elements.
Moon, Pluto and Ceres facts: NASA Science.

Scale: compressed AU

Click mode: choose start

Position model: JPL approx / circular fallback