Online Sky Maps and Ephemeris for Solar System Objects

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A comprehensive set of tools, data, sky maps and finder charts designed to provide a constantly up to date view of the Solar System. We help amateur astronomers plan their observations and curious users find key information about planets, asteroids and comets.

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Find relevant information and live position data of Planets, Asteroids, Comets, Interplanetary Probes. Use our Tonight's Observing Guide to plan observations of the Solar System objects visible from your location. Use our Planetarium to create sky maps from any position and for any date up to tye year 2035.

The Sun and the Moon Today

Credit: NASA SOHO Observatory
Information about the Sun
Current Sun Sky Map
Phase: Waning Crescent  Age: 26.85 days
Information about the Moon
Current Moon Sky Map

The Planets Tonight

Click on each line to go to the planet's detail page, or click the blue 'full screen' icon () to view an accurate deep sky chart showing the planet's current position in real time (go to the major bodies section...).

Planet R.A. Decl. MagnitudeMag ConstellationConst Map
object currently below the horizon Venus 19h 09m 39s -22° 02’ 10” -3.91 Sagittarius Show sky map
current altitude greater than 30 degrees above the horizon Jupiter 11h 31m 42s +04° 34’ 38” -2.39 Leo Show sky map
object currently below the horizon Mercury 19h 30m 12s -20° 57’ 02” -0.10 Sagittarius Show sky map
current altitude less than 30 degrees above the horizon Mars 15h 00m 48s -15° 35’ 12” 0.75 Libra Show sky map
object currently below the horizon Saturn 16h 52m 42s -20° 51’ 35” 1.44 Ophiucus Show sky map
object currently below the horizon Uranus 01h 03m 53s +06° 08’ 28” 5.87 Pisces Show sky map
object currently below the horizon Neptune 22h 41m 25s -09° 08’ 31” 7.96 Aquarius Show sky map
= current altitude ≥ 30°   = current altitude < 30°   = below the horizon
Location: Greenwich, United Kingdom [change]

Bright Comets Visible Tonight

These are the top 10 brightest comets currently visible in the sky. Please keep in mind that, since comets are highly dynamic objects, the magnitude reported here is an approximation that sometimes can be largely different from the actual value. Click on each line to go to the comet's detail page, or click the blue 'full screen' icon () to view an accurate deep sky chart showing the comet's current position in real time (see all the 91 tracked comets...).

Comet R.A. Decl. MagnitudeMag ConstellationConst Map
current altitude greater than 30 degrees above the horizon C/2013 US10 (CATALINA) 05h 32m 40s +77° 08’ 39” 8.45 Camelopardalis Cam Show sky map
object currently below the horizon C/2013 X1 (PANSTARRS) 23h 37m 48s +10° 38’ 37” 11.51 Pegasus Peg Show sky map
current altitude greater than 30 degrees above the horizon C/2014 S2 (PANSTARRS) 16h 30m 11s +66° 40’ 28” 11.95 Draco Dra Show sky map
current altitude greater than 30 degrees above the horizon C/2014 W2 (PANSTARRS) 20h 18m 06s +65° 24’ 58” 13.62 Draco Dra Show sky map
object currently below the horizon 53P/Van Biesbroeck 18h 10m 38s -18° 21’ 05” 14.80 Sagittarius Sgr Show sky map
object currently below the horizon 29P/Schwassmann-Wachmann 1 19h 09m 56s -26° 51’ 20” 15.09 Sagittarius Sgr Show sky map
current altitude less than 30 degrees above the horizon C/2014 Y1 (PANSTARRS) 15h 28m 18s -21° 42’ 23” 15.26 Libra Lib Show sky map
object currently below the horizon 10P/Tempel 2 23h 30m 22s -11° 40’ 25” 15.84 Aquarius Aqr Show sky map
object currently below the horizon C/2015 T4 (PANSTARRS) 03h 43m 11s -28° 00’ 25” 16.17 Fornax For Show sky map
current altitude greater than 30 degrees above the horizon C/2015 V2 (Johnson) 07h 09m 38s +64° 11’ 52” 16.25 Camelopardalis Cam Show sky map
» Full list of tracked comets...
= current altitude ≥ 30°   = current altitude < 30°   = below the horizon
Location: Greenwich, United Kingdom [change]

Bright Asteroids Visible Tonight

Click on each line to go to the asteroids's detail page, or click the blue 'full screen' icon () to view an accurate deep sky chart showing the asteroids's current position in real time (see all the 33 tracked asteroids...)..

Asteroid R.A. Decl. MagnitudeMag ConstellationConst Map
object currently below the horizon Vesta 01h 13m 42s +01° 32’ 58” 8.28 Cetus Show sky map
current altitude greater than 30 degrees above the horizon Astraea 10h 01m 32s +12° 17’ 42” 9.11 Leo Show sky map
object currently below the horizon Ceres 22h 31m 42s -17° 45’ 29” 9.15 Aquarius Show sky map
object currently below the horizon Eunomia 01h 26m 20s +19° 31’ 46” 9.81 Pisces Show sky map
current altitude greater than 30 degrees above the horizon Hygiea 11h 57m 42s -04° 51’ 56” 10.29 Virgo Show sky map
current altitude greater than 30 degrees above the horizon Hebe 12h 33m 50s +07° 43’ 40” 10.32 Virgo Show sky map
object currently below the horizon Pallas 20h 08m 01s +02° 52’ 54” 10.49 Aquila Show sky map
object currently below the horizon Amphitrite 02h 07m 26s +18° 47’ 13” 10.63 Aries Show sky map
current altitude less than 30 degrees above the horizon Psyche 04h 40m 30s +18° 46’ 38” 10.71 Taurus Show sky map
current altitude less than 30 degrees above the horizon Juno 14h 52m 54s -08° 03’ 27” 10.96 Libra Show sky map
» Full list of tracked asteroids...
= current altitude ≥ 30°   = current altitude < 30°   = below the horizon
Location: Greenwich, United Kingdom [change]