place system — move to position, scroll to sizesize
settings
orbit preview length
orbits
placement
menus
gravitational reach
edge of space
flow of time
gravity
star mass
gravity scales all forces; star mass controls how dominant stars are over their planets. the default (3×) gives ~140:1 star-to-planet mass ratio — stable multi-planet systems and mooned planets.
view
tip: choose pin, then tap empty space to anchor a star or tap a body to pin it. build a mesh of anchored stars, pick comet, and fling it through.
systems
templates
saved
drops a system at the current view (alongside what's already there). select bodies and use save to add your own.