Syzygeon – Planetary alignments

Point of view Seen from the Sun Seen from the Earth

Kind of alignment Along a line through the Sun All on one side of the Sun

How closeness is measured Longitude only True distance in the sky

Bodies Include the Sun Include the Moon Naked-eye planets only Bodies allowed outside the group

Which results Show the best Widest amplitude, degrees Keep the best within ± days

From year To year

Years are astronomical: 0 is 1 BC, −3101 is 3102 BC.

At least this far from the Sun, degrees Eclipses

Dates Calendar Time

Higher means tighter. Click a dot to see that date; drag across the chart to zoom into those years, double-click to zoom back out.

Loading the dataset…