Planets TonightMercury in 1954: brightness, position and events
Brightest-1.7around May 15
Closest (in table)0.567 au85 million km
Farthest1.432 au
Events this year13
Brightest last year-1.6
Events this year
| Date (JST) | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|
| 1954-01-15 03:32 | Superior conjunction | -1.3 | 1.425 | Sagittarius | 2.0° |
| 1954-02-14 05:05 | Greatest eastern elongation (evening) | -0.5 | 0.945 | Aquarius | 18.2° |
| 1954-03-01 18:50 | Inferior conjunction | +5.4 | 0.632 | Aquarius | 3.7° |
| 1954-03-29 00:26 | Greatest western elongation (morning) | +0.3 | 0.896 | Aquarius | 27.8° |
| 1954-05-09 08:02 | Superior conjunction | -2.5 | 1.324 | Aries | 0.1° |
| 1954-06-09 16:19 | Greatest eastern elongation (evening) | +0.5 | 0.822 | Gemini | 24.0° |
| 1954-07-06 13:47 | Inferior conjunction | +5.7 | 0.567 | Gemini | 4.6° |
| 1954-07-27 12:35 | Greatest western elongation (morning) | +0.2 | 0.873 | Gemini | 19.8° |
| 1954-08-22 05:00 | Superior conjunction | -2.0 | 1.357 | Leo | 1.8° |
| 1954-10-06 13:37 | Greatest eastern elongation (evening) | +0.1 | 0.996 | Virgo | 25.5° |
| 1954-10-30 06:14 | Inferior conjunction | +6.7 | 0.672 | Virgo | 0.7° |
| 1954-11-15 09:06 | Greatest western elongation (morning) | -0.5 | 0.997 | Virgo | 19.3° |
| 1954-12-25 21:06 | Superior conjunction | -1.3 | 1.444 | Sagittarius | 1.6° |
Magnitude through the year (lower = brighter)
Twice-monthly position and visibility
| Date | Mag | Dist (au) | Constellation | Elong. | Visibility |
|---|---|---|---|---|---|
| Jan 1 | -0.8 | 1.420 | Sagittarius | 8° W | Too close to the Sun |
| Jan 15 | -1.3 | 1.423 | Sagittarius | 2° E | Too close to the Sun |
| Feb 1 | -1.1 | 1.250 | Capricornus | 12° E | Too close to the Sun |
| Feb 15 | -0.4 | 0.908 | Aquarius | 18° E | Evening sky |
| Mar 1 | +5.4 | 0.634 | Aquarius | 4° E | Too close to the Sun |
| Mar 15 | +0.9 | 0.706 | Aquarius | 22° W | Morning sky |
| Apr 1 | +0.2 | 0.947 | Aquarius | 28° W | Morning sky |
| Apr 15 | -0.2 | 1.140 | Pisces | 22° W | Morning sky |
| May 1 | -1.3 | 1.307 | Aries | 9° W | Too close to the Sun |
| May 15 | -1.7 | 1.281 | Taurus | 8° E | Too close to the Sun |
| Jun 1 | -0.1 | 0.978 | Gemini | 22° E | Evening sky |
| Jun 15 | +1.0 | 0.725 | Gemini | 23° E | Evening sky |
| Jul 1 | +4.5 | 0.567 | Gemini | 9° E | Too close to the Sun |
| Jul 15 | +2.7 | 0.640 | Gemini | 13° W | Too close to the Sun |
| Aug 1 | -0.3 | 0.996 | Gemini | 19° W | Morning sky |
| Aug 15 | -1.6 | 1.295 | Cancer | 7° W | Too close to the Sun |
| Sep 1 | -0.9 | 1.365 | Leo | 10° E | Too close to the Sun |
| Sep 15 | -0.3 | 1.274 | Virgo | 19° E | Evening sky |
| Oct 1 | +0.0 | 1.077 | Virgo | 25° E | Evening sky |
| Oct 15 | +0.3 | 0.838 | Libra | 23° E | Evening sky |
| Nov 1 | +4.6 | 0.687 | Virgo | 5° W | Too close to the Sun |
| Nov 15 | -0.5 | 1.000 | Virgo | 19° W | Morning sky |
| Dec 1 | -0.8 | 1.315 | Libra | 13° W | Too close to the Sun |
| Dec 15 | -0.9 | 1.432 | Ophiuchus | 6° W | 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 1954 (magnitude -1.7); 13 conjunctions, oppositions or elongations occur this year.