Planets TonightMercury in 1957: brightness, position and events
Brightest-1.9around Jul 1
Closest (in table)0.582 au87 million km
Farthest1.438 au
Events this year13
Brightest last year-1.7
Events this year
| Date (JST) | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|
| 1957-01-11 00:12 | Inferior conjunction | +5.4 | 0.670 | Sagittarius | 2.9° |
| 1957-02-03 04:19 | Greatest western elongation (morning) | -0.1 | 0.995 | Sagittarius | 25.3° |
| 1957-03-21 03:19 | Superior conjunction | -1.9 | 1.350 | Pisces | 1.4° |
| 1957-04-15 18:04 | Greatest eastern elongation (evening) | +0.0 | 0.869 | Aries | 19.7° |
| 1957-05-06 09:33 | Inferior conjunction | +7.2 | 0.559 | Aries | 0.3° |
| 1957-06-02 08:34 | Greatest western elongation (morning) | +0.5 | 0.819 | Aries | 24.5° |
| 1957-07-04 14:36 | Superior conjunction | -2.2 | 1.328 | Gemini | 1.3° |
| 1957-08-14 00:10 | Greatest eastern elongation (evening) | +0.4 | 0.901 | Leo | 27.4° |
| 1957-09-10 05:32 | Inferior conjunction | +5.7 | 0.639 | Leo | 3.6° |
| 1957-09-26 03:37 | Greatest western elongation (morning) | -0.3 | 0.953 | Leo | 17.9° |
| 1957-10-24 12:27 | Superior conjunction | -1.6 | 1.426 | Virgo | 0.6° |
| 1957-12-08 09:44 | Greatest eastern elongation (evening) | -0.3 | 1.010 | Sagittarius | 21.0° |
| 1957-12-26 05:24 | Inferior conjunction | +5.7 | 0.675 | Sagittarius | 2.3° |
Magnitude through the year (lower = brighter)
Twice-monthly position and visibility
| Date | Mag | Dist (au) | Constellation | Elong. | Visibility |
|---|---|---|---|---|---|
| Jan 1 | +0.2 | 0.816 | Sagittarius | 17° E | Evening sky |
| Jan 15 | +2.5 | 0.685 | Sagittarius | 11° W | Too close to the Sun |
| Feb 1 | -0.1 | 0.966 | Sagittarius | 25° W | Morning sky |
| Feb 15 | -0.2 | 1.175 | Capricornus | 23° W | Morning sky |
| Mar 1 | -0.5 | 1.311 | Capricornus | 16° W | Morning sky |
| Mar 15 | -1.3 | 1.364 | Aquarius | 6° W | Too close to the Sun |
| Apr 1 | -1.4 | 1.213 | Pisces | 12° E | Too close to the Sun |
| Apr 15 | +0.0 | 0.875 | Aries | 20° E | Evening sky |
| May 1 | +4.5 | 0.589 | Aries | 8° E | Too close to the Sun |
| May 15 | +2.9 | 0.582 | Aries | 14° W | Too close to the Sun |
| Jun 1 | +0.5 | 0.804 | Aries | 24° W | Morning sky |
| Jun 15 | -0.4 | 1.071 | Taurus | 20° W | Morning sky |
| Jul 1 | -1.9 | 1.314 | Gemini | 4° W | Too close to the Sun |
| Jul 15 | -1.1 | 1.284 | Cancer | 12° E | Too close to the Sun |
| Aug 1 | -0.0 | 1.080 | Leo | 24° E | Evening sky |
| Aug 15 | +0.4 | 0.879 | Leo | 27° E | Evening sky |
| Sep 1 | +2.0 | 0.660 | Leo | 16° E | Evening sky |
| Sep 15 | +2.8 | 0.696 | Leo | 10° W | Too close to the Sun |
| Oct 1 | -0.8 | 1.100 | Leo | 16° W | Morning sky |
| Oct 15 | -1.3 | 1.359 | Virgo | 7° W | Too close to the Sun |
| Nov 1 | -1.0 | 1.438 | Libra | 5° E | Too close to the Sun |
| Nov 15 | -0.6 | 1.372 | Scorpius | 13° E | Too close to the Sun |
| Dec 1 | -0.4 | 1.156 | Sagittarius | 20° E | Evening sky |
| Dec 15 | +0.1 | 0.839 | Sagittarius | 18° E | Evening sky |
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 July 1957 (magnitude -1.9); 13 conjunctions, oppositions or elongations occur this year.