Highlights
- The Sun is in Taurus, the Moon is Waning Crescent in Aquarius
- T CrB: magnitude
10.051 ± 0.005 [2025-05-21 10:51:06 UTC, CCD/CV, IDG/AAVSO] - Comet C/2025 F2 (SWAN):
magnitude
10.03 in Orion - Comet 29P/Schwassmann-Wachmann:
magnitude
12.7 in Leo - Comet C/2021 G2 (Atlas):
magnitude
13.2 in Libra -
Next NEO approach:
Asteroid (NEO) 2025 KH,
May 22 2025 at 08:29 UTC,1,106,123 km,2.88 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 | 03h 55m 42s | +20° 22’ 02” | 1,895.7” | -26.72 | Taurus | map my_location |
Moon | 23h 20m 48s | -05° 39’ 51” | 1,928.0” | -9.43 | Aquarius | 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 16m 17s | +17° 13’ 51” | 5.2” | -1.33 | Aries | map my_location |
Venus | 00h 59m 47s | +04° 47’ 42” | 27.0” | -4.52 | Pisces | map my_location |
Mars | 09h 14m 55s | +17° 38’ 54” | 5.8” | 1.14 | Cancer | map my_location |
Jupiter | 05h 41m 34s | +23° 10’ 15” | 32.0” | -1.93 | Taurus | map my_location |
Saturn | 00h 02m 22s | -01° 59’ 50” | 16.0” | 1.11 | Pisces | map my_location |
Uranus | 03h 41m 13s | +19° 23’ 56” | 3.4” | 5.85 | Taurus | map my_location |
Neptune | 00h 08m 08s | -00° 31’ 23” | 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 22 | 00:37 | Io | End Eclipse |
May 22 | 03:59 | Europa | Begin Transit |
May 22 | 05:05 | Europa | Begin Shadow Transit |
May 22 | 06:38 | Europa | End Transit |
May 22 | 07:45 | Europa | End Shadow 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”

27.0”

5.8”

32.0”

16.0”

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 15m 24s | -05° 59’ 42” | - | 10.03 | Orion Ori | map my_location | ||
29P/Schwassmann-Wachmann | 09h 41m 45s | +10° 18’ 19” | 12.7 | 17.69 | Leo Leo | map my_location | ||
C/2021 G2 (Atlas) | 15h 16m 40s | -05° 12’ 08” | 13.2 | 14.88 | Libra Lib | map my_location | ||
P/2010 H2 (Vales) | 13h 09m 12s | +05° 05’ 46” | - | 13.73 | Virgo Vir | map my_location | ||
C/2023 A3 (Tsuchinshan-ATLAS) | 19h 56m 00s | +27° 05’ 32” | 14.3 | 14.38 | Vulpecula Vul | map my_location | ||
C/2024 J2 (Wierzchos) | 01h 33m 18s | +11° 58’ 10” | - | 14.68 | Pisces Psc | map my_location | ||
C/2022 E2 (ATLAS) | 01h 52m 53s | +49° 39’ 20” | - | 15.37 | Perseus Per | map my_location | ||
C/2022 N2 (PANSTARRS) | 01h 45m 56s | +15° 14’ 03” | - | 15.47 | Pisces Psc | map my_location | ||
C/2024 G3 (ATLAS) | 02h 22m 22s | -51° 28’ 28” | - | 15.68 | Eridanus Eri | map my_location | ||
C/2023 C2 (ATLAS) | 23h 20m 41s | +33° 03’ 05” | 15.8 | 16.04 | Pegasus Peg | 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 34m 55s | -04° 00’ 09” | 5.89 | Virgo | map my_location | ||
1 Ceres | 00h 20m 52s | -07° 54’ 58” | 9.27 | Cetus | map my_location | ||
7 Iris | 04h 08m 58s | +21° 51’ 01” | 9.49 | Taurus | map my_location | ||
6 Hebe | 21h 59m 18s | -07° 03’ 33” | 9.87 | Aquarius | map my_location | ||
9 Metis | 14h 56m 34s | -13° 58’ 51” | 9.99 | Libra | map my_location | ||
3 Juno | 15h 37m 34s | -02° 10’ 27” | 10.02 | Serpens | map my_location | ||
2 Pallas | 21h 06m 41s | +14° 57’ 51” | 10.23 | Delphinus | map my_location | ||
349 Dembowska | 15h 03m 33s | -21° 47’ 14” | 10.42 | Libra | map my_location | ||
15 Eunomia | 07h 16m 59s | +20° 18’ 11” | 10.74 | Gemini | map my_location | ||
5 Astraea | 17h 16m 04s | -15° 07’ 00” | 10.81 | 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 | |