Planets TonightMars in 2031: brightness, position and events
Brightest-1.8around May 1
Closest (in table)0.554 au83 million km
Farthest1.674 au
Events this year1
Brightest last year+1.1
Events this year
| Date (JST) | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|
| 2031-05-04 21:03 | Opposition | -1.9 | 0.559 | Libra | 179.5° |
Magnitude through the year (lower = brighter)
Twice-monthly position and visibility
| Date | Mag | Dist (au) | Constellation | Elong. | Visibility |
|---|---|---|---|---|---|
| Jan 1 | +1.1 | 1.562 | Virgo | 78° W | Morning sky |
| Jan 15 | +0.9 | 1.421 | Virgo | 85° W | Morning sky |
| Feb 1 | +0.6 | 1.247 | Virgo | 95° W | Morning sky |
| Feb 15 | +0.3 | 1.106 | Libra | 103° W | Morning sky |
| Mar 1 | +0.0 | 0.969 | Libra | 113° W | Morning sky |
| Mar 15 | -0.3 | 0.841 | Libra | 124° W | Morning sky |
| Apr 1 | -0.9 | 0.707 | Libra | 140° W | Morning sky |
| Apr 15 | -1.3 | 0.622 | Libra | 155° W | Most of the night |
| May 1 | -1.8 | 0.565 | Libra | 176° W | Most of the night |
| May 15 | -1.7 | 0.554 | Libra | 166° E | Most of the night |
| Jun 1 | -1.4 | 0.587 | Virgo | 145° E | Evening sky |
| Jun 15 | -1.1 | 0.642 | Virgo | 131° E | Evening sky |
| Jul 1 | -0.8 | 0.723 | Virgo | 117° E | Evening sky |
| Jul 15 | -0.5 | 0.802 | Libra | 108° E | Evening sky |
| Aug 1 | -0.3 | 0.901 | Libra | 99° E | Evening sky |
| Aug 15 | -0.1 | 0.984 | Libra | 92° E | Evening sky |
| Sep 1 | +0.1 | 1.082 | Scorpius | 86° E | Evening sky |
| Sep 15 | +0.2 | 1.162 | Ophiuchus | 81° E | Evening sky |
| Oct 1 | +0.3 | 1.252 | Ophiuchus | 76° E | Evening sky |
| Oct 15 | +0.5 | 1.330 | Sagittarius | 72° E | Evening sky |
| Nov 1 | +0.6 | 1.425 | Sagittarius | 67° E | Evening sky |
| Nov 15 | +0.7 | 1.503 | Sagittarius | 64° E | Evening sky |
| Dec 1 | +0.8 | 1.594 | Capricornus | 59° E | Evening sky |
| Dec 15 | +0.9 | 1.674 | Capricornus | 56° 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
Mars is brightest around May 2031 (magnitude -1.8); 1 conjunctions, oppositions or elongations occur this year.