Highlights
-
🌕 Upcoming Full Moon on
Monday, 12 May 2025 at17:56 - The Sun is in Aries, the Moon is Waxing Gibbous in Libra
- T CrB: magnitude
10.140 ± 0.007 [2025-05-11 10:44:15 UTC, CCD/CV, IDG/AAVSO] -
Mercury is in favorable conditions for morning observations with a solar elongation of
19° (sky map) - Comet C/2025 F2 (SWAN) - SWAN25F:
magnitude
8.6 in Orion - Comet P/2010 H2 (Vales):
magnitude
13.64 in Virgo - Comet C/2021 G2 (Atlas):
magnitude
14.0 in Libra -
Next NEO approach:
Asteroid (NEO) 2025 JA1,
May 12 2025 at 04:21 UTC,1,529,535 km,3.98 lunar distances - The Moon is close to opposition
- Asteroid 3 Juno is close to opposition
- Asteroid 4 Vesta is close to opposition
- Asteroid 9 Metis is at opposition
- Asteroid 192 Nausikaa is close to opposition
- Asteroid 349 Dembowska (1892 T) is at 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 16m 56s | +18° 10’ 27” | 1,899.6” | -26.72 | Aries | map my_location |
Moon | 14h 44m 43s | -20° 53’ 30” | 1,765.8” | -12.38 | Libra | 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 | 02h 05m 23s | +10° 19’ 03” | 5.8” | -0.49 | Pisces | map my_location |
Venus | 00h 28m 37s | +02° 34’ 20” | 30.9” | -4.64 | Cetus | map my_location |
Mars | 08h 55m 22s | +19° 13’ 01” | 6.1” | 1.11 | Cancer | map my_location |
Jupiter | 05h 32m 27s | +23° 04’ 08” | 32.4” | -1.95 | Taurus | map my_location |
Saturn | 23h 59m 16s | -02° 17’ 47” | 15.8” | 1.14 | Pisces | map my_location |
Uranus | 03h 38m 52s | +19° 16’ 04” | 3.4” | 5.85 | Taurus | map my_location |
Neptune | 00h 07m 14s | -00° 36’ 46” | 2.2” | 7.80 | Pisces | map my_location |
Jupiter Moons
Position of the Galilean satellites of Jupiter. A dedicated tool is available, with more advanced features.

List of upcoming phenomena of Jupiter's satellites:
Date | Local Time | Satellite | Event |
---|---|---|---|
May 12 | 04:08 | Io | Begin Transit |
May 12 | 04:19 | Ganimede | End Eclipse |
May 12 | 04:51 | Io | Begin Shadow Transit |
May 12 | 06:21 | Io | End Transit |
May 12 | 07:05 | Io | End Shadow Transit |
May 13 | 01:18 | Io | Begin Occultation |
May 13 | 04:14 | Io | End Eclipse |
May 13 | 06:50 | Europa | Begin Occultation |
May 13 | 10:55 | Europa | End Eclipse |
May 13 | 22:38 | Io | Begin Transit |
May 13 | 23:19 | Io | Begin Shadow Transit |
May 14 | 00:52 | Io | End Transit |
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.

5.8”

30.9”

6.1”

32.4”

15.8”

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 241 comets).
Comet | R.A. | Decl. | Magnitude (COBS)Mag Obs | Magnitude (JPL)Mag Pred | ConstellationConst | Charts | ||
---|---|---|---|---|---|---|---|---|
C/2025 F2 (SWAN) | 04h 51m 37s | +07° 16’ 06” | 8.6 | 7.58 | Orion Ori | map my_location | ||
P/2010 H2 (Vales) | 13h 12m 52s | +05° 46’ 00” | - | 13.64 | Virgo Vir | map my_location | ||
C/2021 G2 (Atlas) | 15h 20m 41s | -06° 24’ 38” | 14.0 | 14.84 | Libra Lib | map my_location | ||
C/2024 J2 (Wierzchos) | 01h 16m 02s | +13° 45’ 30” | - | 14.53 | Pisces Psc | map my_location | ||
C/2022 E2 (ATLAS) | 01h 50m 25s | +49° 02’ 02” | - | 15.34 | Perseus Per | map my_location | ||
C/2024 G3 (ATLAS) | 02h 05m 56s | -49° 21’ 54” | - | 15.40 | Eridanus Eri | map my_location | ||
C/2022 N2 (PANSTARRS) | 01h 33m 38s | +13° 57’ 26” | - | 15.52 | Pisces Psc | map my_location | ||
21P/Giacobini-Zinner | 03h 41m 10s | +06° 55’ 27” | - | 15.58 | Taurus Tau | map my_location | ||
C/2023 A3 (Tsuchinshan-ATLAS) | 20h 06m 17s | +25° 45’ 36” | 15.7 | 14.32 | Vulpecula Vul | map my_location | ||
29P/Schwassmann-Wachmann | 09h 39m 19s | +10° 31’ 20” | 15.8 | 17.64 | Leo Leo | 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 43m 26s | -04° 00’ 59” | 5.70 | Virgo | map my_location | ||
1 Ceres | 00h 08m 55s | -08° 51’ 13” | 9.30 | Cetus | map my_location | ||
7 Iris | 03h 43m 24s | +20° 52’ 00” | 9.59 | Taurus | map my_location | ||
9 Metis | 15h 06m 11s | -14° 17’ 50” | 9.71 | Libra | map my_location | ||
3 Juno | 15h 45m 36s | -02° 48’ 55” | 9.99 | Serpens | map my_location | ||
6 Hebe | 21h 46m 20s | -07° 41’ 49” | 10.03 | Aquarius | map my_location | ||
349 Dembowska | 15h 12m 16s | -22° 02’ 04” | 10.29 | Libra | map my_location | ||
2 Pallas | 21h 03m 34s | +13° 56’ 22” | 10.31 | Delphinus | map my_location | ||
15 Eunomia | 07h 00m 46s | +21° 05’ 24” | 10.68 | Gemini | map my_location | ||
8 Flora | 11h 16m 39s | +12° 45’ 12” | 10.88 | Leo | 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 | |
Eta Lyrids | 9 May | 19h 06m | +44° | 3 | medium | map | ||