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 Aquarius and it is in Waxing Gibbous phase.
  • Comet 8P/Tuttle latest observed magnitude is 9.4 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 67P/Churyumov-Gerasimenko latest observed magnitude is 10.5 and it is in the constellation of Gemini. It should be visible with the help of a telescope havng an aperture of 6 inches (150mm) or more.
  • Comet C/2019 L3 (ATLAS) latest observed magnitude is 10.7 and it is in the constellation of Lynx. 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 TH13 on Oct 17 2021 at 19:20 UTC (1 days 3 hours 36 minutes), at an approach distance of 633,541 kilometers, or 1.65 lunar distances, and a relative speed of 8.61 kilometers per second.

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 Gibbous  Age: 10.96 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 13h 25m 51s -09° 01’ 00” 1,925.1” -26.75 Virgo Show sky map
object currently below the horizon Moon 22h 44m 44s -14° 27’ 00” 1,852.7” -11.48 Aquarius 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 16h 29m 48s -24° 59’ 18” 21.7” -4.37 Ophiucus Show sky map
current altitude less than 30 degrees above the horizon Jupiter 21h 39m 07s -15° 15’ 09” 43.3” -2.59 Capricornus Show sky map
current altitude less than 30 degrees above the horizon Saturn 20h 36m 49s -19° 24’ 46” 16.6” 0.57 Capricornus Show sky map
current altitude less than 30 degrees above the horizon Mercury 12h 38m 10s -03° 39’ 57” 8.9” 1.28 Virgo Show sky map
current altitude less than 30 degrees above the horizon Mars 13h 16m 16s -07° 25’ 46” 3.6” 1.55 Virgo Show sky map
object currently below the horizon Uranus 02h 43m 44s +15° 24’ 38” 3.7” 5.69 Aries Show sky map
object currently below the horizon Neptune 23h 27m 28s -04° 46’ 46” 2.3” 7.70 Aquarius Show sky map
= current altitude ≥ 30°   = current altitude < 30°   = below the horizon
Location: Greenwich, United Kingdom [change]

Current Planets Apparent Size Comparison

Mercury
8.9”
Venus
21.7”
Mars
3.6”
Jupiter
43.3”
Saturn
16.6”
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 (205)

Comet R.A. Decl. Magnitude (Observed)Mag Obs Magnitude (Estimated)Mag Pred Coma DiameterComa Diam ConstellationConst Map
object currently below the horizon 8P/Tuttle 11h 32m 16s -32° 06’ 00” 9.4 16.82 3.1' Hydra Hya Show sky map
object currently below the horizon 67P/Churyumov-Gerasimenko 06h 10m 13s +24° 39’ 26” 10.5 12.15 3.4' Gemini Gem Show sky map
current altitude less than 30 degrees above the horizon C/2019 L3 (ATLAS) 07h 41m 02s +41° 48’ 58” 10.7 13.11 3.3' Lynx Lyn Show sky map
object currently below the horizon C/2017 T2 (PANSTARRS) 16h 34m 47s -45° 21’ 14” 11.4 17.78 1.0' Scorpius Sco Show sky map
current altitude less than 30 degrees above the horizon C/2020 T2 (Palomar) 16h 50m 36s -27° 15’ 40” 11.4 15.60 5.4' Scorpius Sco Show sky map
object currently below the horizon 4P/Faye 06h 29m 56s +13° 58’ 33” 11.5 13.34 2.7' Gemini Gem Show sky map
current altitude greater than 30 degrees above the horizon C/2017 K2 (PANSTARRS) 17h 05m 18s +23° 23’ 36” 12.5 14.06 1.6' Hercules Her Show sky map
current altitude less than 30 degrees above the horizon C/2021 A1 (Leonard) 11h 33m 28s +36° 10’ 06” 12.9 14.26 2.3' Ursa Major UMa Show sky map
object currently below the horizon 19P/Borrelly 23h 10m 05s -56° 31’ 47” 13.1 13.56 3.8' Tucana Tuc Show sky map
object currently below the horizon 7P/Pons-Winnecke 23h 15m 38s -43° 13’ 24” 13.3 18.21 7.0' Grus Gru Show sky map
object currently below the horizon C/2019 T4 (ATLAS) 10h 59m 14s -25° 01’ 05” 13.8 15.02 0.5' Crater Crt Show sky map
object currently below the horizon 15P/Finlay 08h 35m 59s +25° 56’ 52” 14.1 17.62 3.3' Cancer Cnc Show sky map
current altitude less than 30 degrees above the horizon C/2021 O1 (Nishimura) 13h 30m 28s -02° 58’ 29” - 14.35 - Virgo Vir Show sky map
object currently below the horizon C/2020 F5 (MASTER) 22h 28m 32s -27° 31’ 06” 14.6 15.53 0.9' Pisces Austrinus PsA Show sky map
object currently below the horizon 108P/Ciffreo 06h 44m 52s +27° 21’ 44” 14.9 15.64 1.3' Gemini Gem Show sky map
current altitude less than 30 degrees above the horizon 246P/NEAT 19h 17m 33s -34° 14’ 20” 14.9 15.75 0.3' Sagittarius Sgr Show sky map
object currently below the horizon C/2019 F1 (ATLAS-Africano) 21h 18m 44s -76° 11’ 21” 14.9 15.14 0.5' Octans Oct Show sky map
object currently below the horizon 132P/Helin-Roman-Alu 2 00h 21m 31s -02° 32’ 33” - 14.91 - Pisces Psc Show sky map
current altitude greater than 30 degrees above the horizon C/2021 E3 (ZTF) 18h 35m 20s +10° 57’ 03” 16.2 15.38 0.7' Ophiucus Oph Show sky map
object currently below the horizon C/2021 K1 (ATLAS) 01h 01m 06s -14° 26’ 12” 15.5 17.84 0.3' Cetus Cet 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 47m 46s -12° 01’ 46” 7.60 Libra Show sky map
object currently below the horizon 1 Ceres 04h 43m 52s +16° 11’ 27” 8.04 Taurus Show sky map
object currently below the horizon 2 Pallas 22h 47m 44s -07° 48’ 15” 9.22 Aquarius Show sky map
object currently below the horizon 7 Iris 07h 32m 50s +21° 40’ 41” 9.35 Gemini Show sky map
current altitude less than 30 degrees above the horizon 6 Hebe 19h 45m 53s -22° 31’ 15” 9.81 Sagittarius Show sky map
current altitude less than 30 degrees above the horizon 12 Victoria 20h 40m 40s -06° 29’ 15” 10.49 Aquarius Show sky map
object currently below the horizon 324 Dembowska 21h 17m 05s -24° 52’ 29” 10.54 Capricornus Show sky map
object currently below the horizon 20 Massalia 08h 29m 10s +18° 19’ 27” 10.71 Cancer Show sky map
object currently below the horizon 15 Eunomia 11h 55m 45s -08° 18’ 20” 11.03 Crater Show sky map
current altitude less than 30 degrees above the horizon 14 Irene 13h 53m 43s -06° 09’ 07” 11.04 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 Orionids 21 Oct 06h 17m +16° 15 bright 1P/Halley Show sky 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 Epsilon Geminids 18 Oct 06h 47m +27° 3 medium C/1964 N1 (Ikeya) Show sky map
current altitude less than 30 degrees above the horizon Delta Aurigids 11 Oct 05h 35m +44° 2 medium Show sky map
= current altitude ≥ 30°   = current altitude < 30°   = below the horizon
Location: Greenwich, United Kingdom [change]