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: New Moon  Age: 29.30 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
current altitude less than 30 degrees above the horizon Venus 19h 21m 52s -21° 46’ 56” -3.90 Sagittarius Show sky map
object currently below the horizon Jupiter 11h 30m 57s +04° 40’ 02” -2.40 Leo Show sky map
current altitude less than 30 degrees above the horizon Mercury 19h 40m 24s -20° 57’ 31” -0.11 Sagittarius Show sky map
current altitude less than 30 degrees above the horizon Mars 15h 05m 13s -15° 54’ 06” 0.70 Libra Show sky map
current altitude less than 30 degrees above the horizon Saturn 16h 53m 24s -20° 52’ 33” 1.43 Ophiucus Show sky map
current altitude less than 30 degrees above the horizon Uranus 01h 04m 12s +06° 10’ 22” 5.87 Pisces Show sky map
current altitude less than 30 degrees above the horizon Neptune 22h 41m 44s -09° 06’ 39” 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 03m 13s +74° 35’ 18” 8.63 Camelopardalis Cam Show sky map
current altitude less than 30 degrees above the horizon C/2013 X1 (PANSTARRS) 23h 37m 14s +10° 12’ 15” 11.50 Pegasus Peg Show sky map
current altitude greater than 30 degrees above the horizon C/2014 S2 (PANSTARRS) 16h 24m 54s +67° 11’ 07” 11.97 Draco Dra Show sky map
current altitude greater than 30 degrees above the horizon C/2014 W2 (PANSTARRS) 20h 20m 11s +65° 13’ 29” 13.62 Draco Dra Show sky map
current altitude less than 30 degrees above the horizon 53P/Van Biesbroeck 18h 15m 15s -18° 19’ 03” 14.78 Sagittarius Sgr Show sky map
current altitude less than 30 degrees above the horizon 29P/Schwassmann-Wachmann 1 19h 11m 49s -26° 47’ 49” 15.08 Sagittarius Sgr Show sky map
current altitude less than 30 degrees above the horizon C/2014 Y1 (PANSTARRS) 15h 32m 08s -22° 13’ 09” 15.25 Libra Lib Show sky map
current altitude less than 30 degrees above the horizon 10P/Tempel 2 23h 36m 44s -11° 02’ 37” 15.90 Aquarius Aqr Show sky map
object currently below the horizon 252P/LINEAR 05h 55m 10s -22° 26’ 06” 16.06 Lepus Lep Show sky map
object currently below the horizon C/2015 T4 (PANSTARRS) 03h 42m 04s -28° 05’ 51” 16.15 Fornax For 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
current altitude less than 30 degrees above the horizon Vesta 01h 16m 46s +01° 56’ 45” 8.29 Cetus Show sky map
object currently below the horizon Astraea 09h 59m 47s +12° 36’ 27” 9.03 Leo Show sky map
current altitude less than 30 degrees above the horizon Ceres 22h 35m 10s -17° 25’ 11” 9.14 Aquarius Show sky map
current altitude less than 30 degrees above the horizon Eunomia 01h 30m 35s +19° 44’ 25” 9.83 Pisces Show sky map
object currently below the horizon Hygiea 11h 57m 03s -04° 52’ 16” 10.23 Virgo Show sky map
current altitude less than 30 degrees above the horizon Hebe 12h 33m 28s +08° 02’ 18” 10.28 Virgo Show sky map
current altitude greater than 30 degrees above the horizon Pallas 20h 11m 02s +03° 00’ 23” 10.50 Aquila Show sky map
current altitude less than 30 degrees above the horizon Amphitrite 02h 10m 34s +19° 00’ 45” 10.65 Aries Show sky map
object currently below the horizon Psyche 04h 41m 17s +18° 51’ 51” 10.76 Taurus Show sky map
current altitude less than 30 degrees above the horizon Juno 14h 54m 13s -07° 59’ 05” 10.94 Libra Show sky map
» Full list of tracked asteroids...
= current altitude ≥ 30°   = current altitude < 30°   = below the horizon
Location: Greenwich, United Kingdom [change]