Planets TonightMercury in 2028: brightness, position and events
Brightest-2.0around Apr 15
Closest (in table)0.550 au82 million km
Farthest1.432 au
Events this year13
Brightest last year-2.1
Events this year
| Date (JST) | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|
| 2028-01-18 02:16 | Greatest eastern elongation (evening) | -0.6 | 0.976 | Capricornus | 18.8° |
| 2028-02-02 17:47 | Inferior conjunction | +5.3 | 0.657 | Aquarius | 3.5° |
| 2028-02-28 01:35 | Greatest western elongation (morning) | +0.1 | 0.958 | Capricornus | 26.9° |
| 2028-04-12 07:55 | Superior conjunction | -2.2 | 1.334 | Pisces | 0.8° |
| 2028-05-09 15:13 | Greatest eastern elongation (evening) | +0.3 | 0.841 | Taurus | 21.4° |
| 2028-06-02 11:46 | Inferior conjunction | +6.5 | 0.549 | Taurus | 2.4° |
| 2028-06-27 04:34 | Greatest western elongation (morning) | +0.5 | 0.833 | Taurus | 22.2° |
| 2028-07-25 22:07 | Superior conjunction | -2.2 | 1.338 | Cancer | 1.6° |
| 2028-09-06 19:20 | Greatest eastern elongation (evening) | +0.3 | 0.948 | Virgo | 27.1° |
| 2028-10-02 19:37 | Inferior conjunction | +6.0 | 0.658 | Virgo | 2.3° |
| 2028-10-18 08:03 | Greatest western elongation (morning) | -0.5 | 0.974 | Virgo | 18.2° |
| 2028-11-20 10:40 | Superior conjunction | -1.4 | 1.448 | Libra | 0.4° |
| 2028-12-31 09:43 | Greatest eastern elongation (evening) | -0.5 | 0.993 | Sagittarius | 19.6° |
Magnitude through the year (lower = brighter)
Twice-monthly position and visibility
| Date | Mag | Dist (au) | Constellation | Elong. | Visibility |
|---|---|---|---|---|---|
| Jan 1 | -0.9 | 1.318 | Sagittarius | 12° E | Too close to the Sun |
| Jan 15 | -0.7 | 1.044 | Capricornus | 18° E | Evening sky |
| Feb 1 | +4.8 | 0.665 | Aquarius | 4° E | Too close to the Sun |
| Feb 15 | +0.6 | 0.758 | Capricornus | 22° W | Morning sky |
| Mar 1 | +0.1 | 0.995 | Capricornus | 27° W | Morning sky |
| Mar 15 | -0.1 | 1.178 | Aquarius | 22° W | Morning sky |
| Apr 1 | -0.9 | 1.324 | Pisces | 11° W | Too close to the Sun |
| Apr 15 | -2.0 | 1.314 | Aries | 4° E | Too close to the Sun |
| May 1 | -0.5 | 1.028 | Taurus | 19° E | Evening sky |
| May 15 | +1.1 | 0.724 | Taurus | 20° E | Evening sky |
| Jun 1 | +6.5 | 0.550 | Taurus | 3° E | Too close to the Sun |
| Jun 15 | +2.0 | 0.636 | Taurus | 17° W | Morning sky |
| Jul 1 | +0.1 | 0.924 | Taurus | 22° W | Morning sky |
| Jul 15 | -1.3 | 1.223 | Gemini | 12° W | Too close to the Sun |
| Aug 1 | -1.3 | 1.339 | Cancer | 7° E | Too close to the Sun |
| Aug 15 | -0.3 | 1.237 | Leo | 19° E | Evening sky |
| Sep 1 | +0.2 | 1.026 | Virgo | 26° E | Evening sky |
| Sep 15 | +0.5 | 0.814 | Virgo | 25° E | Evening sky |
| Oct 1 | +5.3 | 0.654 | Virgo | 4° E | Too close to the Sun |
| Oct 15 | -0.2 | 0.894 | Virgo | 18° W | Morning sky |
| Nov 1 | -1.0 | 1.294 | Virgo | 12° W | Too close to the Sun |
| Nov 15 | -1.2 | 1.432 | Libra | 3° W | Too close to the Sun |
| Dec 1 | -0.9 | 1.432 | Ophiuchus | 6° E | Too close to the Sun |
| Dec 15 | -0.7 | 1.307 | Sagittarius | 14° 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 April 2028 (magnitude -2.0); 13 conjunctions, oppositions or elongations occur this year.