RiSa Astronomy
Orbit
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Your free astronomy toolkit. Track ISS, track the Milky Way, find planets, and discover what's in your sky tonight. Built for beginners.

Computed from NASA/JPL planetary ephemerides

Your sky right now

Open Tonight's Sky →

Tonight's Sky

What planets, stars, and objects are visible from your location right now?

ISS Pass Predictor

When and where to look to see the Space Station fly over your location.

Planet Tracker

Rise times, brightness, which direction to look, and upcoming events.

Moon Phase Calendar

Monthly moon phases, rise and set times, illumination, and best nights for deep-sky viewing.

Interactive Sky Chart

A planisphere in your browser. Stars, constellations, and planets mapped to your sky.

Meteor Shower Calendar

Peak dates, expected rates, and whether the Moon will spoil the show.

Astronomy Events

Eclipses, conjunctions, oppositions, and more happening in the sky.

Find Eclipses Near Me

Upcoming solar and lunar eclipses visible from your location.

Solar Weather

Live SDO/SOHO imagery, sunspots, Kp index, aurora forecast, and active SWPC alerts.

Compass & Orientation

Phone compass with Sun and Moon direction overlays.

Milky Way Finder

Best windows to see the Milky Way from your location.

Light Pollution Guide

Bortle scale and what you can see from your sky.

Comet Tracker

Track bright comets. Position, brightness, and visibility.

Orbit is built by RiSa Astronomy. Free forever. No ads, no astrology, no accounts required. Just you and the sky.

Keep exploring
A note on the science

This is astronomy,
not your horoscope.

Every number on this platform is computed from JPL planetary ephemerides and is valid orbital mechanics. These are geometric coordinates, not predictions about your love life.

Built by Anish Kumar PV
Independent researcher. Also, creator of eclipsedb.org - a catalog of 144,646 solar and lunar eclipses spanning 30,000 years, computed from first principles. Science educator and Founder at risaastronomy.com