Highlights
-
🌑 Upcoming New Moon on
Tuesday, 27 May 2025 at04:02 - The Sun is in Taurus, the Moon is Waning Crescent in Pisces
- T CrB: magnitude
10.129 ± 0.005 [2025-05-23 10:53:20 UTC, CCD/CV, IDG/AAVSO] - Comet C/2025 F2 (SWAN):
magnitude
10.45 in Orion - Comet 29P/Schwassmann-Wachmann:
magnitude
11.8 in Leo - Comet C/2021 G2 (Atlas):
magnitude
13.7 in Libra -
Next NEO approach:
Asteroid (NEO) 2025 KK1,
May 24 2025 at 16:30 UTC,506,017 km,1.32 lunar distances - Asteroid 3 Juno is close to opposition
- Asteroid 5 Astraea is close to opposition
- Asteroid 9 Metis is close to opposition
- Asteroid 349 Dembowska (1892 T) is close to opposition
Popular Objects
Popular objects during the last 7 days based on the number of visualizations.
The Solar System
Current positions of the major bodies of the Solar System and the brightest comets.
Sun and Moon
How the Sun and the Moon look like today.
R.A. | Decl. | Apparent Diameter | MagnitudeMag | ConstellationConst | Charts | |
---|---|---|---|---|---|---|
Sun | 04h 03m 32s | +20° 44’ 28” | 1,895.0” | -26.72 | Taurus | map my_location |
Moon | 00h 58m 13s | +07° 26’ 38” | 1,973.4” | -8.07 | Pisces | map |
The Planets
Current essential information about the planets. Click each planet to view full details.
Planet | R.A. | Decl. | Diameter | MagnitudeMag | ConstellationConst | Charts |
---|---|---|---|---|---|---|
Mercury | 03h 32m 25s | +18° 34’ 01” | 5.2” | -1.53 | Taurus | map my_location |
Venus | 01h 06m 26s | +05° 18’ 39” | 26.4” | -4.50 | Pisces | map my_location |
Mars | 09h 18m 53s | +17° 18’ 55” | 5.7” | 1.16 | Cancer | map my_location |
Jupiter | 05h 43m 25s | +23° 11’ 15” | 31.9” | -1.93 | Taurus | map my_location |
Saturn | 00h 02m 56s | -01° 56’ 35” | 16.1” | 1.11 | Pisces | map my_location |
Uranus | 03h 41m 41s | +19° 25’ 29” | 3.4” | 5.85 | Taurus | map my_location |
Neptune | 00h 08m 18s | -00° 30’ 26” | 2.2” | 7.79 | Pisces | map my_location |
Jupiter Moons
Position of the Galilean satellites of Jupiter. A dedicated tool is available, with more advanced features.

List of 5 upcoming phenomena of Jupiter's satellites:
Date | Local Time | Satellite | Event |
---|---|---|---|
May 23 | 23:06 | Europa | Begin Occultation |
May 24 | 02:51 | Europa | End Eclipse |
May 24 | 13:41 | Io | Begin Transit |
May 24 | 14:12 | Io | Begin Shadow Transit |
May 24 | 15:55 | Io | End Transit |
To see the complete list of the upcoming phenomena for the next 7 days consult the dedicated Jupiter's Galilean Moons section.
Saturn Moons & Rings
Inclination of the rings of Saturn and positions of major satellites. A dedicated tool is available, with more advanced features.

Apparent Planet Sizes
Comparison between the apparent size of the planets, measured in seconds of a degree, as they appear today.

5.2”

26.4”

5.7”

31.9”

16.1”

3.4”

2.2”
Credits for the planet images: NASA-APL - NASA.
Brightest Comets
List of the 10 brightest comets (open the full list of 243 comets).
Comet | R.A. | Decl. | Magnitude (COBS)Mag Obs | Magnitude (JPL)Mag Pred | ConstellationConst | Charts | ||
---|---|---|---|---|---|---|---|---|
C/2025 F2 (SWAN) | 05h 18m 39s | -08° 01’ 56” | - | 10.45 | Orion Ori | map my_location | ||
29P/Schwassmann-Wachmann | 09h 42m 20s | +10° 15’ 12” | 11.8 | 17.70 | Leo Leo | map my_location | ||
C/2021 G2 (Atlas) | 15h 15m 54s | -04° 58’ 29” | 13.7 | 14.89 | Libra Lib | map my_location | ||
P/2010 H2 (Vales) | 13h 08m 42s | +04° 56’ 13” | - | 13.75 | Virgo Vir | map my_location | ||
C/2024 J2 (Wierzchos) | 01h 36m 38s | +11° 35’ 22” | - | 14.71 | Pisces Psc | map my_location | ||
C/2022 E2 (ATLAS) | 01h 53m 17s | +49° 47’ 40” | - | 15.37 | Perseus Per | map my_location | ||
C/2022 N2 (PANSTARRS) | 01h 48m 23s | +15° 29’ 06” | - | 15.46 | Aries Ari | map my_location | ||
C/2023 A3 (Tsuchinshan-ATLAS) | 19h 53m 43s | +27° 19’ 35” | 15.5 | 14.39 | Vulpecula Vul | map my_location | ||
C/2022 QE78 (ATLAS) | 06h 58m 35s | +16° 44’ 18” | - | 15.73 | Gemini Gem | map my_location | ||
C/2024 G3 (ATLAS) | 02h 25m 37s | -51° 55’ 33” | - | 15.74 | Eridanus Eri | map my_location |
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.
Brightest Asteroids
List of the 10 brightest asteroids (open the full list of 78 asteroids and dwarf planets.)
Asteroid | R.A. | Decl. | MagnitudeMag | ConstellationConst | Charts | ||
---|---|---|---|---|---|---|---|
4 Vesta | 14h 33m 25s | -04° 02’ 15” | 5.93 | Virgo | map my_location | ||
1 Ceres | 00h 23m 12s | -07° 44’ 28” | 9.27 | Cetus | map my_location | ||
7 Iris | 04h 14m 05s | +22° 01’ 05” | 9.47 | Taurus | map my_location | ||
6 Hebe | 22h 01m 46s | -06° 56’ 55” | 9.84 | Aquarius | map my_location | ||
3 Juno | 15h 35m 59s | -02° 04’ 12” | 10.04 | Serpens | map my_location | ||
9 Metis | 14h 54m 46s | -13° 55’ 39” | 10.04 | Libra | map my_location | ||
2 Pallas | 21h 07m 06s | +15° 09’ 24” | 10.21 | Delphinus | map my_location | ||
349 Dembowska | 15h 01m 52s | -21° 43’ 55” | 10.46 | Libra | map my_location | ||
15 Eunomia | 07h 20m 15s | +20° 08’ 07” | 10.75 | Gemini | map my_location | ||
5 Astraea | 17h 14m 21s | -15° 04’ 33” | 10.77 | Ophiuchus | map my_location |
Active Meteor Showers
List of the currently active meteor showers.
Name | Peak | Radiant R.A. | Radiant Decl. | ZHR ⓘ | Rating | Parent Object | Charts | |
---|---|---|---|---|---|---|---|---|
Eta Aquariids | 6 May | 22h 30m | -01° | 50 | bright | 1P/Halley | map | |
Daytime Arietids | 7 Jun | 02h 53m | +24° | 50 | medium | 1566 Icarus ? | map | |