Astronomy Picture of the Day

The cosmos, daily.

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ISS Position
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Next Launch
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Closest Asteroid
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In Space Now
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humans in orbit
Live Tracking

International Space Station

Position updated every 5 seconds · ~408 km altitude · 92-minute orbit

Full tracker →
Live
Latitude

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Longitude

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Altitude

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Velocity

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Crew: Loading…

Mission Control

Upcoming Launches

Next confirmed rocket launches worldwide.

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Planetary Defense

Near-Earth Objects

Close approaches in the next 7 days — NASA NeoWs.

Full data →
ObjectDateMiss DistanceSize · SpeedProximity
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Source: NASA CNEOS · JPL Horizons · Asterank

Planetarium

Tonight's Sky

Full interactive planetarium — powered by Stellarium Web.

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Stellarium Web

Full planetarium in your browser

Real-time sky for your location. Click any star, nebula, or galaxy for full data. Open source since 2001.

Open Source
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The Toolkit

Explore the universe

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NASA · Free🪐

NASA Eyes on the Solar System

Real-time 3D simulation of every NASA mission. Track 30,000+ asteroids. Free in your browser.

eyes.nasa.gov
Desktop App🌌

SpaceEngine

Travel anywhere in a universe of 100 billion procedurally generated galaxies. Land on alien worlds.

spaceengine.org
AAS · Free📡

WorldWide Telescope

Explore the universe through real imagery from Hubble, Chandra, Spitzer, and more.

worldwidetelescope.org
Satellites🛰️

Heavens-Above

Predict when the ISS, Hubble, and Starlink trains pass over your location.

heavens-above.com
CDS Strasbourg🗺️

Aladin Sky Atlas

Professional interactive sky atlas. Access DSS, 2MASS, SDSS, WISE and hundreds more surveys.

aladin.cds.unistra.fr
Sky Guide🌠

In The Sky

Planet visibility, meteor showers, and sky events calculated for your exact location and date.

in-the-sky.org