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

  • NEW! Check out the Mars Perseverance Rover Photostream!
  • The Sun is in the constellation of Virgo. The Moon is in the constellation of Aries and it is in Waning Gibbous phase.
  • Comet 8P/Tuttle latest observed magnitude is 9.1 and it is in the constellation of Hydra. It should be visible with the help of a binocular with a 60-70mm aperture or a small telescope.
  • Comet C/2020 T2 (Palomar) latest observed magnitude is 10.4 and it is in the constellation of Scorpius. It should be visible with the help of a binocular with a 80mm aperture or a small telescope.
  • Comet C/2019 L3 (ATLAS) latest observed magnitude is 10.9 and it is in the constellation of Auriga. It should be visible with the help of a telescope havng an aperture of 6 inches (150mm) or more.
  • The next close approach with a Near Earth Object (NEO) will happen with Asteroid (NEO) 2021 RG19 on Sep 28 2021 at 22:02 UTC (3 days 5 hours 13 minutes), at an approach distance of 826,802 kilometers, or 2.15 lunar distances, and a relative speed of 15.37 kilometers per second.
  • Neptune is at opposition, current elongation 168.6°
  • Asteroid 2 Pallas is at opposition, current elongation 161.8°

Your guide to the Solar System and the night sky

Quick links

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: Waning Gibbous  Age: 19.14 days
Information about the Moon
Current Moon Sky Map
R.A. Decl. Apparent Diameter MagnitudeMag ConstellationConst Map
current altitude less than 30 degrees above the horizon Sun 12h 09m 18s -01° 00’ 40” 1,913.6” -26.74 Virgo Show sky map
object currently below the horizon Moon 03h 35m 48s +17° 45’ 48” 1,774.7” -11.19 Aries 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
current altitude less than 30 degrees above the horizon Venus 14h 54m 23s -18° 33’ 50” 18.0” -4.18 Libra Show sky map
current altitude less than 30 degrees above the horizon Jupiter 21h 42m 25s -15° 01’ 00” 45.9” -2.74 Capricornus Show sky map
current altitude less than 30 degrees above the horizon Saturn 20h 37m 31s -19° 22’ 11” 17.2” 0.47 Capricornus Show sky map
current altitude less than 30 degrees above the horizon Mercury 13h 27m 13s -13° 09’ 40” 8.6” 0.60 Virgo Show sky map
current altitude less than 30 degrees above the horizon Mars 12h 25m 32s -01° 57’ 14” 3.5” 1.59 Virgo Show sky map
object currently below the horizon Uranus 02h 46m 30s +15° 37’ 17” 3.7” 5.71 Aries Show sky map
object currently below the horizon Neptune 23h 29m 23s -04° 34’ 34” 2.3” 7.69 Aquarius Show sky map
= current altitude ≥ 30°   = current altitude < 30°   = below the horizon
Location: Greenwich, United Kingdom [change]

Current Planets Apparent Size Comparison

Mercury
8.6”
Venus
18.0”
Mars
3.5”
Jupiter
45.9”
Saturn
17.2”
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 (203)

Comet R.A. Decl. Magnitude (Observed)Mag Obs Magnitude (Estimated)Mag Pred Coma DiameterComa Diam ConstellationConst Map
object currently below the horizon 8P/Tuttle 10h 17m 35s -17° 41’ 56” 9.1 16.43 3.5' Hydra Hya Show sky map
current altitude less than 30 degrees above the horizon C/2020 T2 (Palomar) 16h 06m 02s -22° 42’ 53” 10.4 15.10 1.4' Scorpius Sco Show sky map
current altitude less than 30 degrees above the horizon C/2019 L3 (ATLAS) 07h 25m 12s +43° 33’ 14” 10.9 13.35 3.6' Auriga Aur Show sky map
object currently below the horizon 67P/Churyumov-Gerasimenko 04h 35m 51s +20° 04’ 01” 11.4 11.16 3.5' Taurus Tau Show sky map
object currently below the horizon 4P/Faye 05h 50m 44s +16° 53’ 17” 11.3 13.46 3.1' Taurus Tau Show sky map
current altitude greater than 30 degrees above the horizon C/2017 K2 (PANSTARRS) 16h 58m 22s +27° 30’ 03” 12.9 14.13 1.8' Hercules Her Show sky map
current altitude less than 30 degrees above the horizon C/2021 O1 (Nishimura) 12h 21m 26s +08° 15’ 58” - 13.21 - Virgo Vir Show sky map
current altitude less than 30 degrees above the horizon C/2021 A1 (Leonard) 11h 13m 51s +38° 18’ 40” 13.3 15.37 2.4' Ursa Major UMa Show sky map
object currently below the horizon 15P/Finlay 07h 57m 19s +26° 34’ 24” 13.7 17.10 2.2' Gemini Gem Show sky map
object currently below the horizon 108P/Ciffreo 06h 02m 18s +24° 17’ 32” 14.0 15.66 1.5' Gemini Gem Show sky map
object currently below the horizon 7P/Pons-Winnecke 23h 21m 05s -48° 44’ 05” 14.1 17.55 1.3' Grus Gru Show sky map
object currently below the horizon 19P/Borrelly 23h 36m 57s -58° 54’ 33” 14.6 14.27 1.1' Tucana Tuc Show sky map
current altitude less than 30 degrees above the horizon 252P/LINEAR 14h 46m 13s -09° 34’ 24” 14.5 20.39 4.0' Libra Lib Show sky map
object currently below the horizon 284P/McNaught 23h 05m 56s -15° 41’ 29” 14.7 16.02 0.6' Aquarius Aqr Show sky map
object currently below the horizon C/2019 F1 (ATLAS-Africano) 20h 50m 49s -81° 12’ 08” 14.8 15.00 0.7' Octans Oct Show sky map
object currently below the horizon C/2020 F5 (MASTER) 22h 40m 58s -30° 23’ 31” 15.0 15.35 0.4' Pisces Austrinus PsA Show sky map
object currently below the horizon C/2019 T4 (ATLAS) 10h 36m 37s -23° 46’ 27” - 15.13 - Hydra Hya Show sky map
current altitude less than 30 degrees above the horizon 246P/NEAT 18h 57m 22s -35° 03’ 20” - 15.32 - Sagittarius Sgr Show sky map
object currently below the horizon C/2021 K1 (ATLAS) 01h 10m 22s -12° 29’ 36” 15.5 17.32 0.6' Cetus Cet Show sky map
current altitude less than 30 degrees above the horizon 193P/LINEAR-NEAT 23h 03m 59s +01° 01’ 18” 15.6 17.19 1.3' Pisces Psc 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 4 Vesta 14h 06m 27s -08° 05’ 50” 7.68 Virgo Show sky map
object currently below the horizon 1 Ceres 04h 42m 30s +15° 53’ 54” 8.44 Taurus Show sky map
object currently below the horizon 2 Pallas 22h 58m 41s -03° 34’ 41” 8.82 Aquarius Show sky map
current altitude less than 30 degrees above the horizon 6 Hebe 19h 22m 16s -21° 10’ 28” 9.55 Sagittarius Show sky map
object currently below the horizon 7 Iris 06h 56m 46s +23° 38’ 26” 9.56 Gemini Show sky map
current altitude less than 30 degrees above the horizon 12 Victoria 20h 16m 50s -05° 32’ 23” 10.01 Aquila Show sky map
object currently below the horizon 324 Dembowska 21h 15m 29s -26° 33’ 58” 10.22 Capricornus Show sky map
object currently below the horizon 15 Eunomia 11h 27m 44s -04° 46’ 32” 10.88 Leo Show sky map
object currently below the horizon 20 Massalia 07h 51m 08s +20° 23’ 25” 10.90 Gemini Show sky map
current altitude less than 30 degrees above the horizon 10 Hygiea 11h 38m 26s -00° 35’ 51” 11.11 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
object currently below the horizon Southern Taurids 10 Oct 02h 06m +09° 5 bright Comet Encke Show sky map
object currently below the horizon Daytime Sextantids 27 Sep 10h 05m +00° 5 bright Show sky map
= current altitude ≥ 30°   = current altitude < 30°   = below the horizon
Location: Greenwich, United Kingdom [change]