A working celestial chart · six worlds
Ephemeris
An illuminated orrery of the naked-eye planets. Every angle is a real ecliptic longitude, drawn for the moment on the dial. Turn time and watch the heavens keep their appointments.
| World | Longitude | Sign | Sun distance |
|---|---|---|---|
| Reading the sky… | |||
Positions use the low-precision Keplerian model (Schlyter). Good to a fraction of a degree for these six planets across a few centuries — an instrument for wonder, not for navigation.