Planets TonightMars in 1984: brightness, position and events
Brightest-2.0around May 15
Closest (in table)0.533 au80 million km
Farthest1.615 au
Events this year1
Brightest last year+1.1
Events this year
| Date (JST) | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|
| 1984-05-11 17:52 | Opposition | -2.0 | 0.537 | Libra | 179.9° |
Magnitude through the year (lower = brighter)
Twice-monthly position and visibility
| Date | Mag | Dist (au) | Constellation | Elong. | Visibility |
|---|---|---|---|---|---|
| Jan 1 | +1.2 | 1.614 | Virgo | 75° W | Morning sky |
| Jan 15 | +1.0 | 1.473 | Virgo | 82° W | Morning sky |
| Feb 1 | +0.7 | 1.299 | Libra | 91° W | Morning sky |
| Feb 15 | +0.4 | 1.157 | Libra | 99° W | Morning sky |
| Mar 1 | +0.1 | 1.008 | Libra | 109° W | Morning sky |
| Mar 15 | -0.2 | 0.876 | Libra | 119° W | Morning sky |
| Apr 1 | -0.8 | 0.734 | Libra | 133° W | Morning sky |
| Apr 15 | -1.2 | 0.638 | Libra | 148° W | Morning sky |
| May 1 | -1.7 | 0.562 | Libra | 167° W | Most of the night |
| May 15 | -2.0 | 0.533 | Libra | 175° E | Most of the night |
| Jun 1 | -1.7 | 0.545 | Libra | 153° E | Most of the night |
| Jun 15 | -1.4 | 0.587 | Libra | 138° E | Evening sky |
| Jul 1 | -1.0 | 0.658 | Libra | 123° E | Evening sky |
| Jul 15 | -0.8 | 0.731 | Libra | 113° E | Evening sky |
| Aug 1 | -0.5 | 0.826 | Libra | 103° E | Evening sky |
| Aug 15 | -0.3 | 0.906 | Libra | 96° E | Evening sky |
| Sep 1 | -0.1 | 1.003 | Ophiuchus | 89° E | Evening sky |
| Sep 15 | +0.1 | 1.083 | Ophiuchus | 84° E | Evening sky |
| Oct 1 | +0.2 | 1.175 | Sagittarius | 79° E | Evening sky |
| Oct 15 | +0.3 | 1.255 | Sagittarius | 75° E | Evening sky |
| Nov 1 | +0.5 | 1.353 | Sagittarius | 70° E | Evening sky |
| Nov 15 | +0.6 | 1.435 | Capricornus | 67° E | Evening sky |
| Dec 1 | +0.7 | 1.530 | Capricornus | 62° E | Evening sky |
| Dec 15 | +0.8 | 1.615 | Capricornus | 59° 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 1984 (magnitude -2.0); 1 conjunctions, oppositions or elongations occur this year.