Astronomia

Where each planet, asteroid and comet sits in the sky right now, when the next total solar eclipse crosses the Earth, and which stars draw each constellation. Pick a tool below.

Lunar calculator Moon phase, illumination, rise and set, eclipses and supermoons for any date.
Planets today Where the seven planets are tonight, with brightness and how to spot them.
Asteroids Ceres, Vesta, Apophis and other notable asteroids, with their current position.
Comets Historic and periodic comets and when each one returns close to the Sun.
Solar eclipses Map of where each total solar eclipse is seen and the route its shadow takes.
Star atlas The 88 official constellations and the brightest stars, with maps and data.

One place for every celestial body

This section gathers the moving objects of the sky in one spot. The planets change position night after night, comets come and go on long orbits, asteroids drift through the background of stars and the Moon runs its phases. Each tool answers a direct question, where something is now and when it will be visible, without you having to open a separate site for each one.

The star atlas is the fixed part of the picture. While planets and comets wander, the constellations stay put, and they work as a map to find everything else. Start from a bright star you recognise, follow it to a constellation and the planets passing nearby fall into place.

How the numbers are worked out: methodology, accuracy, sources, glossary.