Orbital

Drag to pan · Scroll to zoom (at the cursor) · Click a body to focus · Right-click a body to delete it · Both buttons drag to tilt/spin · Press 0 to reset view, z to undo.
☀️ Add star / 🕳️ Black hole: arm it, then click to drop (or drag to fling a fly-by) and watch the system deform.
🚀 Mission: steer the probe with ←↑↓→ / WASD (prograde, retrograde, lateral) — reach the target before the fuel runs out.
Touch: drag to pan · pinch to zoom · two fingers to tilt/spin · tap to focus · when 🎯/☀️/🕳️ is armed, drag to aim (tap = drop at rest).

Seeds a protostar + a disk of planetesimals; collisions accrete them into planets. Beyond the ice line (~2.7 AU) bodies are icy / gas-giant material. Tune the disk, then press Form.