Planets TonightMercury in 1975: brightness, position and events
Brightest-2.1around Aug 1
Closest (in table)0.564 au84 million km
Farthest1.451 au
Events this year12
Brightest last year-1.9
Events this year
| Date (JST) | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|
| 1975-01-24 05:42 | Greatest eastern elongation (evening) | -0.5 | 0.968 | Capricornus | 18.6° |
| 1975-02-08 17:43 | Inferior conjunction | +5.3 | 0.652 | Aquarius | 3.6° |
| 1975-03-06 14:38 | Greatest western elongation (morning) | +0.2 | 0.944 | Capricornus | 27.3° |
| 1975-04-19 05:54 | Superior conjunction | -2.3 | 1.331 | Pisces | 0.6° |
| 1975-05-17 08:57 | Greatest eastern elongation (evening) | +0.4 | 0.834 | Taurus | 22.0° |
| 1975-06-11 03:13 | Inferior conjunction | +6.3 | 0.550 | Taurus | 3.1° |
| 1975-07-04 22:51 | Greatest western elongation (morning) | +0.4 | 0.841 | Taurus | 21.6° |
| 1975-08-01 18:16 | Superior conjunction | -2.1 | 1.342 | Cancer | 1.7° |
| 1975-09-14 07:44 | Greatest eastern elongation (evening) | +0.2 | 0.962 | Virgo | 26.8° |
| 1975-10-09 20:14 | Inferior conjunction | +6.1 | 0.662 | Virgo | 1.9° |
| 1975-10-25 09:21 | Greatest western elongation (morning) | -0.5 | 0.980 | Virgo | 18.4° |
| 1975-11-29 06:20 | Superior conjunction | -1.4 | 1.451 | Scorpius | 0.7° |
Magnitude through the year (lower = brighter)
Twice-monthly position and visibility
| Date | Mag | Dist (au) | Constellation | Elong. | Visibility |
|---|---|---|---|---|---|
| Jan 1 | -1.0 | 1.387 | Sagittarius | 8° E | Too close to the Sun |
| Jan 15 | -0.9 | 1.183 | Capricornus | 16° E | Evening sky |
| Feb 1 | +1.1 | 0.753 | Capricornus | 14° E | Too close to the Sun |
| Feb 15 | +1.9 | 0.670 | Aquarius | 14° W | Too close to the Sun |
| Mar 1 | +0.3 | 0.865 | Capricornus | 27° W | Morning sky |
| Mar 15 | +0.1 | 1.070 | Aquarius | 26° W | Morning sky |
| Apr 1 | -0.5 | 1.263 | Aquarius | 17° W | Morning sky |
| Apr 15 | -1.7 | 1.337 | Pisces | 4° W | Too close to the Sun |
| May 1 | -1.1 | 1.182 | Aries | 14° E | Too close to the Sun |
| May 15 | +0.2 | 0.873 | Taurus | 22° E | Evening sky |
| Jun 1 | +3.0 | 0.595 | Taurus | 13° E | Too close to the Sun |
| Jun 15 | +4.8 | 0.564 | Taurus | 8° W | Too close to the Sun |
| Jul 1 | +0.8 | 0.771 | Taurus | 21° W | Morning sky |
| Jul 15 | -0.7 | 1.081 | Gemini | 18° W | Morning sky |
| Aug 1 | -2.1 | 1.341 | Cancer | 2° W | Too close to the Sun |
| Aug 15 | -0.7 | 1.312 | Leo | 14° E | Too close to the Sun |
| Sep 1 | -0.0 | 1.141 | Virgo | 24° E | Evening sky |
| Sep 15 | +0.2 | 0.943 | Virgo | 27° E | Evening sky |
| Oct 1 | +1.4 | 0.700 | Virgo | 16° E | Evening sky |
| Oct 15 | +1.9 | 0.729 | Virgo | 11° W | Too close to the Sun |
| Nov 1 | -0.9 | 1.160 | Virgo | 16° W | Morning sky |
| Nov 15 | -1.0 | 1.381 | Libra | 8° W | Too close to the Sun |
| Dec 1 | -1.3 | 1.451 | Ophiuchus | 2° E | Too close to the Sun |
| Dec 15 | -0.8 | 1.389 | Sagittarius | 9° 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 August 1975 (magnitude -2.1); 12 conjunctions, oppositions or elongations occur this year.