Lagrangian Points — Sun–Earth system to scale

System

To scale. Every size and distance is true; where an object would be smaller than a pixel, a translucent cube marks it. Click a cube to fly in. Planets and Moon by analytic ephemeris, spacecraft and Trojans by JPL Horizons; the date is real.

The Lagrangian voyage

Five places, one period

Narration written for this study and spoken by a Microsoft neural voice (Ryan, en-GB). Music: Gymnopédie No. 1 and No. 3 by Erik Satie, performed by Kevin MacLeod (incompetech.com), licensed under Creative Commons: By Attribution 4.0. Sound effects synthesised in the page. Positions from JPL Horizons and analytic ephemerides; Hubble model NASA & ESA/Hubble (M. Kornmesser), Chandra, SOHO and DSCOVR models NASA 3D Resources; maps Solar System Scope.