Mars in 1973: brightness, position and events
Brightest-2.4around Oct 15
Closest (in table)0.436 au65 million km
Farthest2.208 au
Events this year1
Brightest last year+0.3
Events this year
| Date (JST) | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|
| 1973-10-25 12:26 | Opposition | -2.6 | 0.441 | Pisces | 178.2° |
Magnitude through the year (lower = brighter)
Twice-monthly position and visibility
| Date | Mag | Dist (au) | Constellation | Elong. | Visibility |
|---|---|---|---|---|---|
| Jan 1 | +1.6 | 2.208 | Libra | 40° W | Morning sky |
| Jan 15 | +1.5 | 2.108 | Ophiuchus | 44° W | Morning sky |
| Feb 1 | +1.4 | 1.981 | Ophiuchus | 50° W | Morning sky |
| Feb 15 | +1.3 | 1.872 | Sagittarius | 54° W | Morning sky |
| Mar 1 | +1.1 | 1.762 | Sagittarius | 59° W | Morning sky |
| Mar 15 | +1.0 | 1.652 | Sagittarius | 63° W | Morning sky |
| Apr 1 | +0.8 | 1.520 | Capricornus | 68° W | Morning sky |
| Apr 15 | +0.7 | 1.414 | Capricornus | 71° W | Morning sky |
| May 1 | +0.5 | 1.297 | Capricornus | 76° W | Morning sky |
| May 15 | +0.3 | 1.199 | Aquarius | 79° W | Morning sky |
| Jun 1 | +0.1 | 1.085 | Aquarius | 84° W | Morning sky |
| Jun 15 | -0.1 | 0.996 | Aquarius | 88° W | Morning sky |
| Jul 1 | -0.3 | 0.898 | Cetus | 92° W | Morning sky |
| Jul 15 | -0.6 | 0.817 | Pisces | 97° W | Morning sky |
| Aug 1 | -0.8 | 0.722 | Pisces | 104° W | Morning sky |
| Aug 15 | -1.1 | 0.647 | Pisces | 111° W | Morning sky |
| Sep 1 | -1.5 | 0.564 | Aries | 122° W | Morning sky |
| Sep 15 | -1.8 | 0.505 | Aries | 133° W | Morning sky |
| Oct 1 | -2.1 | 0.455 | Aries | 149° W | Morning sky |
| Oct 15 | -2.4 | 0.436 | Aries | 166° W | Most of the night |
| Nov 1 | -2.4 | 0.455 | Pisces | 171° E | Most of the night |
| Nov 15 | -1.9 | 0.506 | Pisces | 154° E | Most of the night |
| Dec 1 | -1.3 | 0.599 | Pisces | 137° E | Evening sky |
| Dec 15 | -0.9 | 0.701 | Pisces | 125° 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 October 1973 (magnitude -2.4); 1 conjunctions, oppositions or elongations occur this year.