Your guide to the Solar System and the night sky
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🌎  Greenwich, United Kingdom [change]

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Today's highlights

Your guide to the Solar System and the night sky

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Popular Objects This Week

Popular objects this week

Current Solar System Configuration

This interactive 3D model shows the today's configuration of the major bodies of the Solar System along their orbits. It is an experimental feature and it requires a WebGL enabled browser. For more advanced features, check out our 3D Solar System Simulator. Please provide us feedback!

Animate view
Left-click and drag to change the viewing angles; Right-click and drag to pan; Pinch or mouse-wheel to zoom.
View larger 3D Solar System Simulator

The Sun and the Moon Today

Here is how the Sun and the Moon look like today.

Credit: NASA, SDO, and the HMI Science Team
Information about the Sun
Current Sun Sky Map
Phase: Waxing Crescent  Age: 2.85 days
Information about the Moon
Current Moon Sky Map
R.A. Decl. Apparent Diameter MagnitudeMag ConstellationConst Map
object currently below the horizon Sun 16h 52m 57s -22° 32’ 39” 1,947.5” -26.77 Ophiucus Show sky map
object currently below the horizon Moon 19h 22m 20s -26° 46’ 19” 1,978.9” -7.31 Sagittarius Show sky map
= current altitude ≥ 30°   = current altitude < 30°   = below the horizon
Location: Greenwich, United Kingdom [change]

The Planets Today

Key information about the Planets today. Click each row to go to each planet's detail page. Click the blue 'full screen' icon () to view an accurate deep sky chart showing the planet's current position.

Planet R.A. Decl. Apparent Diameter MagnitudeMag ConstellationConst Map
object currently below the horizon Venus 19h 41m 48s -23° 44’ 33” 42.6” -4.91 Sagittarius Show sky map
current altitude less than 30 degrees above the horizon Jupiter 21h 54m 00s -13° 51’ 47” 36.9” -2.24 Capricornus Show sky map
object currently below the horizon Mercury 17h 10m 33s -24° 23’ 42” 4.7” -1.01 Ophiucus Show sky map
current altitude less than 30 degrees above the horizon Saturn 20h 47m 12s -18° 45’ 16” 15.3” 0.74 Capricornus Show sky map
object currently below the horizon Mars 15h 31m 02s -18° 54’ 17” 3.8” 1.54 Libra Show sky map
current altitude greater than 30 degrees above the horizon Uranus 02h 35m 50s +14° 48’ 38” 3.7” 5.70 Aries Show sky map
current altitude greater than 30 degrees above the horizon Neptune 23h 25m 26s -04° 58’ 23” 2.3” 7.75 Aquarius Show sky map
= current altitude ≥ 30°   = current altitude < 30°   = below the horizon
Location: Greenwich, United Kingdom [change]

Current Planets Apparent Size Comparison

Mercury
4.7”
Venus
42.6”
Mars
3.8”
Jupiter
36.9”
Saturn
15.3”
Uranus
3.7”
Neptune
2.3”

Images credits: NASA-APL - NASA.

Bright Comets Today

These are the brightest comets currently visible in the sky. The Observed Magnitude and Coma Diameter values are derived from the Comet Observers Database by averaging the values reported in recent observations (more recent than 4 days), when available. The Estimated Magnitude comes from the JPL Horizons ephemeris service and might be inaccurate given the highly dynamic and unpredictable behavior of comets. When available please refer to the Observed Magnitude value and consider the Estimated Magnitude as a directional indication.

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. Also check the full list of tracked comets (207)

Comet R.A. Decl. Magnitude (Observed)Mag Obs Magnitude (Estimated)Mag Pred Coma DiameterComa Diam ConstellationConst Map
object currently below the horizon C/2021 A1 (Leonard) 14h 34m 21s +22° 51’ 24” 7.1 9.00 11.0' Bootes Boo Show sky map
object currently below the horizon 67P/Churyumov-Gerasimenko 08h 53m 39s +27° 11’ 44” 8.8 12.93 6.4' Cancer Cnc Show sky map
current altitude less than 30 degrees above the horizon C/2019 L3 (ATLAS) 07h 36m 14s +36° 48’ 23” 9.7 12.44 4.9' Lynx Lyn Show sky map
current altitude less than 30 degrees above the horizon 19P/Borrelly 23h 34m 17s -34° 43’ 28” 10.6 12.51 3.3' Sculptor Scl Show sky map
object currently below the horizon 4P/Faye 06h 53m 26s +07° 25’ 42” 11.4 13.28 2.3' Monoceros Mon Show sky map
object currently below the horizon C/2019 T4 (ATLAS) 11h 45m 52s -28° 21’ 13” 12.1 14.63 2.0' Hydra Hya Show sky map
current altitude less than 30 degrees above the horizon C/2017 K2 (PANSTARRS) 17h 37m 31s +15° 38’ 56” 12.3 14.09 2.5' Hercules Her Show sky map
object currently below the horizon C/2020 T2 (Palomar) 18h 44m 55s -32° 51’ 00” 12.7 16.73 2.3' Sagittarius Sgr Show sky map
current altitude less than 30 degrees above the horizon 108P/Ciffreo 07h 24m 20s +36° 33’ 38” 14.6 16.33 2.1' Auriga Aur Show sky map
object currently below the horizon C/2020 Y2 (ATLAS) 12h 48m 44s -44° 24’ 48” - 15.00 - Centaurus Cen Show sky map
current altitude less than 30 degrees above the horizon C/2021 E3 (ZTF) 18h 56m 14s -02° 27’ 49” 15.3 15.48 0.7' Aquila Aql Show sky map
current altitude less than 30 degrees above the horizon C/2020 V2 (ZTF) 13h 00m 53s +37° 16’ 02” 15.4 16.06 1.1' Canes Venatici CVn Show sky map
current altitude less than 30 degrees above the horizon C/2020 F5 (MASTER) 22h 27m 54s -19° 17’ 37” 15.5 16.04 0.7' Aquarius Aqr Show sky map
current altitude greater than 30 degrees above the horizon 132P/Helin-Roman-Alu 2 00h 57m 39s -01° 22’ 07” - 15.53 - Cetus Cet Show sky map
current altitude greater than 30 degrees above the horizon 29P/Schwassmann-Wachmann 1 04h 34m 09s +31° 50’ 31” - 15.56 - Perseus Per Show sky map
object currently below the horizon C/2019 F1 (ATLAS-Africano) 22h 34m 39s -61° 43’ 49” - 15.64 - Tucana Tuc Show sky map
object currently below the horizon 110P/Hartley 3 08h 41m 24s +17° 43’ 05” - 15.99 - Cancer Cnc Show sky map
current altitude less than 30 degrees above the horizon 7P/Pons-Winnecke 23h 47m 48s -28° 13’ 26” 16.1 19.63 2.3' Sculptor Scl Show sky map
object currently below the horizon C/2020 J1 (SONEAR) 14h 23m 22s +01° 06’ 55” - 16.24 - Virgo Vir Show sky map
object currently below the horizon 117P/Helin-Roman-Alu 1 16h 02m 21s -20° 42’ 50” - 16.25 - Scorpius Sco Show sky map
= current altitude ≥ 30°   = current altitude < 30°   = below the horizon
Location: Greenwich, United Kingdom [change]

We acknowledge with thanks the comet observations from the COBS Comet Observation Database contributed by observers worldwide and used in this table to report recent comet observations.

Bright Asteroids Today

These are the top 10 brightest 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. Also check the full list of tracked asteroids and dwarf planets (79)

Asteroid R.A. Decl. MagnitudeMag ConstellationConst Map
current altitude less than 30 degrees above the horizon 1 Ceres 04h 05m 10s +16° 54’ 13” 7.23 Taurus Show sky map
object currently below the horizon 4 Vesta 16h 37m 45s -19° 14’ 31” 7.35 Ophiucus Show sky map
object currently below the horizon 7 Iris 08h 08m 24s +16° 51’ 20” 8.49 Cancer Show sky map
current altitude less than 30 degrees above the horizon 2 Pallas 22h 58m 14s -12° 22’ 22” 9.90 Aquarius Show sky map
object currently below the horizon 20 Massalia 09h 32m 04s +13° 33’ 47” 9.95 Leo Show sky map
current altitude less than 30 degrees above the horizon 6 Hebe 21h 17m 09s -20° 59’ 54” 10.14 Capricornus Show sky map
current altitude less than 30 degrees above the horizon 324 Dembowska 21h 59m 31s -18° 17’ 47” 11.08 Capricornus Show sky map
object currently below the horizon 15 Eunomia 12h 58m 04s -16° 43’ 43” 11.12 Virgo Show sky map
object currently below the horizon 3 Juno 18h 30m 35s -14° 05’ 42” 11.13 Scutum Show sky map
object currently below the horizon 10 Hygiea 13h 20m 27s -11° 58’ 31” 11.31 Virgo Show sky map
= current altitude ≥ 30°   = current altitude < 30°   = below the horizon
Location: Greenwich, United Kingdom [change]

Active Meteor Showers Today

This is a list of the currently active meteor showers. The celestial coordinates refer to the meteor shower radiant position, i.e. the point in the sky where the meteors appear to come from. The ZHR value refers to the Zenithal Hourly Rate, i.e. the average number of meteors an individual observer could see in an hour, assuming perfectly dark sky conditions. This number is an estimate, the actual number an observer could see depends on the actual intensity of the shower (which can be highly variable) and on the actual sky conditions. Clicking on the blue square icon will bring you to a sky map showing the radiant position. The data used here is derived from Wikipedia.

Name Peak Radiant R.A. Radiant Decl. ZHR Rating Parent Object Map
current altitude less than 30 degrees above the horizon Geminids 14 Dec 07h 30m +33° 120 medium 3200 Phaethon Show sky map
object currently below the horizon Puppid-Velids multiple 08h 11m -45° 10 medium Show sky map
current altitude greater than 30 degrees above the horizon Northern Taurids 12 Nov 03h 53m +22° 5 bright Comet Encke Show sky map
object currently below the horizon Dec. Leonis Minorids 20 Dec 10h 41m +30° 5 medium Show sky map
object currently below the horizon Sigma Hydrids 11 Dec 08h 30m +02° 3 medium Show sky map
current altitude less than 30 degrees above the horizon November Orionids 28 Nov 06h 05m +16° 3 medium Show sky map
object currently below the horizon Monocerotids 8 Dec 06h 42m +08° 2 medium C/1917 F1 (Mellish) Show sky map
object currently below the horizon Phoenicids 2 Dec 01h 11m -53° variable medium 289P/Blanpain Show sky map
= current altitude ≥ 30°   = current altitude < 30°   = below the horizon
Location: Greenwich, United Kingdom [change]