Planets TonightMercury in 2027: brightness, position and events
Brightest-2.1around May 1
Closest (in table)0.579 au87 million km
Farthest1.446 au
Events this year13
Brightest last year-2.5
Events this year
| Date (JST) | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|
| 2027-01-02 02:07 | Superior conjunction | -1.3 | 1.439 | Sagittarius | 1.8° |
| 2027-02-03 15:14 | Greatest eastern elongation (evening) | -0.6 | 0.958 | Aquarius | 18.3° |
| 2027-02-19 01:39 | Inferior conjunction | +5.3 | 0.644 | Aquarius | 3.7° |
| 2027-03-17 15:49 | Greatest western elongation (morning) | +0.2 | 0.922 | Aquarius | 27.6° |
| 2027-04-29 06:21 | Superior conjunction | -2.4 | 1.327 | Aries | 0.3° |
| 2027-05-28 18:57 | Greatest eastern elongation (evening) | +0.5 | 0.826 | Taurus | 22.9° |
| 2027-06-23 16:59 | Inferior conjunction | +6.0 | 0.556 | Orion | 4.0° |
| 2027-07-16 04:24 | Greatest western elongation (morning) | +0.3 | 0.855 | Orion | 20.7° |
| 2027-08-11 20:02 | Superior conjunction | -2.0 | 1.349 | Leo | 1.7° |
| 2027-09-25 06:59 | Greatest eastern elongation (evening) | +0.2 | 0.980 | Virgo | 26.3° |
| 2027-10-20 00:30 | Inferior conjunction | +6.4 | 0.667 | Virgo | 1.3° |
| 2027-11-04 17:54 | Greatest western elongation (morning) | -0.5 | 0.988 | Virgo | 18.8° |
| 2027-12-12 07:16 | Superior conjunction | -1.3 | 1.451 | Ophiuchus | 1.2° |
Magnitude through the year (lower = brighter)
Twice-monthly position and visibility
| Date | Mag | Dist (au) | Constellation | Elong. | Visibility |
|---|---|---|---|---|---|
| Jan 1 | -1.3 | 1.440 | Sagittarius | 2° W | Too close to the Sun |
| Jan 15 | -1.1 | 1.348 | Capricornus | 9° E | Too close to the Sun |
| Feb 1 | -0.7 | 1.016 | Aquarius | 18° E | Evening sky |
| Feb 15 | +3.4 | 0.678 | Aquarius | 8° E | Too close to the Sun |
| Mar 1 | +1.1 | 0.691 | Capricornus | 19° W | Morning sky |
| Mar 15 | +0.3 | 0.890 | Capricornus | 28° W | Morning sky |
| Apr 1 | -0.1 | 1.126 | Aquarius | 24° W | Morning sky |
| Apr 15 | -0.8 | 1.277 | Cetus | 14° W | Too close to the Sun |
| May 1 | -2.1 | 1.316 | Aries | 3° E | Too close to the Sun |
| May 15 | -0.7 | 1.105 | Taurus | 18° E | Evening sky |
| Jun 1 | +0.8 | 0.758 | Gemini | 22° E | Evening sky |
| Jun 15 | +3.5 | 0.579 | Gemini | 12° E | Too close to the Sun |
| Jul 1 | +3.3 | 0.604 | Orion | 12° W | Too close to the Sun |
| Jul 15 | +0.4 | 0.840 | Orion | 21° W | Morning sky |
| Aug 1 | -1.4 | 1.229 | Gemini | 11° W | Too close to the Sun |
| Aug 15 | -1.6 | 1.359 | Leo | 4° E | Too close to the Sun |
| Sep 1 | -0.4 | 1.279 | Virgo | 18° E | Evening sky |
| Sep 15 | +0.0 | 1.123 | Virgo | 24° E | Evening sky |
| Oct 1 | +0.3 | 0.877 | Virgo | 25° E | Evening sky |
| Oct 15 | +2.8 | 0.675 | Virgo | 10° E | Too close to the Sun |
| Nov 1 | -0.2 | 0.900 | Virgo | 18° W | Morning sky |
| Nov 15 | -0.8 | 1.235 | Virgo | 15° W | Morning sky |
| Dec 1 | -1.0 | 1.421 | Scorpius | 6° W | Too close to the Sun |
| Dec 15 | -1.2 | 1.446 | Ophiuchus | 2° E | Too close to the Sun |
Computed with the JPL DE421 ephemeris and Skyfield (times in JST). Magnitude and distance are for 12:00 JST on each date. Visibility is a rough guide for mid-northern latitudes such as Japan.
About this page
Mercury is brightest around May 2027 (magnitude -2.1); 13 conjunctions, oppositions or elongations occur this year.