Planets TonightMars in 1990: brightness, position and events
Brightest-2.0around Dec 1
Closest (in table)0.519 au78 million km
Farthest2.310 au
Events this year1
Brightest last year-0.1
Events this year
| Date (JST) | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|
| 1990-11-28 05:33 | Opposition | -2.1 | 0.523 | Taurus | 178.5° |
Magnitude through the year (lower = brighter)
Twice-monthly position and visibility
| Date | Mag | Dist (au) | Constellation | Elong. | Visibility |
|---|---|---|---|---|---|
| Jan 1 | +1.6 | 2.310 | Ophiuchus | 31° W | Morning sky |
| Jan 15 | +1.5 | 2.227 | Ophiuchus | 35° W | Morning sky |
| Feb 1 | +1.4 | 2.120 | Sagittarius | 40° W | Morning sky |
| Feb 15 | +1.3 | 2.029 | Sagittarius | 44° W | Morning sky |
| Mar 1 | +1.2 | 1.936 | Sagittarius | 48° W | Morning sky |
| Mar 15 | +1.1 | 1.843 | Capricornus | 52° W | Morning sky |
| Apr 1 | +1.0 | 1.732 | Capricornus | 56° W | Morning sky |
| Apr 15 | +0.9 | 1.642 | Capricornus | 59° W | Morning sky |
| May 1 | +0.8 | 1.543 | Aquarius | 63° W | Morning sky |
| May 15 | +0.7 | 1.459 | Aquarius | 66° W | Morning sky |
| Jun 1 | +0.5 | 1.360 | Pisces | 70° W | Morning sky |
| Jun 15 | +0.4 | 1.281 | Cetus | 73° W | Morning sky |
| Jul 1 | +0.2 | 1.193 | Pisces | 77° W | Morning sky |
| Jul 15 | +0.1 | 1.116 | Pisces | 81° W | Morning sky |
| Aug 1 | -0.1 | 1.023 | Aries | 86° W | Morning sky |
| Aug 15 | -0.2 | 0.945 | Aries | 91° W | Morning sky |
| Sep 1 | -0.5 | 0.850 | Taurus | 98° W | Morning sky |
| Sep 15 | -0.7 | 0.772 | Taurus | 105° W | Morning sky |
| Oct 1 | -0.9 | 0.685 | Taurus | 116° W | Morning sky |
| Oct 15 | -1.2 | 0.615 | Taurus | 127° W | Morning sky |
| Nov 1 | -1.6 | 0.548 | Taurus | 145° W | Morning sky |
| Nov 15 | -1.9 | 0.519 | Taurus | 162° W | Most of the night |
| Dec 1 | -2.0 | 0.529 | Taurus | 175° E | Most of the night |
| Dec 15 | -1.6 | 0.577 | Taurus | 157° E | Most of the night |
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 December 1990 (magnitude -2.0); 1 conjunctions, oppositions or elongations occur this year.