Planets TonightMars in 1987: brightness, position and events
Brightest+0.6around Jan 1
Closest (in table)1.348 au202 million km
Farthest2.674 au
Events this year1
Brightest last year-2.7
Events this year
| Date (JST) | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|
| 1987-08-25 16:32 | Conjunction with the Sun | +1.7 | 2.676 | Leo | 1.1° |
Magnitude through the year (lower = brighter)
Twice-monthly position and visibility
| Date | Mag | Dist (au) | Constellation | Elong. | Visibility |
|---|---|---|---|---|---|
| Jan 1 | +0.6 | 1.348 | Pisces | 75° E | Evening sky |
| Jan 15 | +0.7 | 1.462 | Pisces | 70° E | Evening sky |
| Feb 1 | +0.9 | 1.603 | Pisces | 65° E | Evening sky |
| Feb 15 | +1.1 | 1.718 | Pisces | 60° E | Evening sky |
| Mar 1 | +1.2 | 1.832 | Aries | 56° E | Evening sky |
| Mar 15 | +1.4 | 1.944 | Aries | 51° E | Evening sky |
| Apr 1 | +1.5 | 2.074 | Taurus | 46° E | Evening sky |
| Apr 15 | +1.6 | 2.175 | Taurus | 42° E | Evening sky |
| May 1 | +1.6 | 2.282 | Taurus | 37° E | Evening sky |
| May 15 | +1.7 | 2.367 | Taurus | 32° E | Evening sky |
| Jun 1 | +1.8 | 2.459 | Gemini | 27° E | Evening sky |
| Jun 15 | +1.8 | 2.524 | Gemini | 23° E | Evening sky |
| Jul 1 | +1.8 | 2.585 | Gemini | 18° E | Evening sky |
| Jul 15 | +1.8 | 2.626 | Cancer | 13° E | Too close to the Sun |
| Aug 1 | +1.7 | 2.660 | Cancer | 8° E | Too close to the Sun |
| Aug 15 | +1.7 | 2.674 | Leo | 4° E | Too close to the Sun |
| Sep 1 | +1.7 | 2.674 | Leo | 2° W | Too close to the Sun |
| Sep 15 | +1.7 | 2.659 | Leo | 7° W | Too close to the Sun |
| Oct 1 | +1.8 | 2.626 | Virgo | 12° W | Too close to the Sun |
| Oct 15 | +1.8 | 2.584 | Virgo | 17° W | Morning sky |
| Nov 1 | +1.8 | 2.515 | Virgo | 23° W | Morning sky |
| Nov 15 | +1.8 | 2.446 | Virgo | 28° W | Morning sky |
| Dec 1 | +1.7 | 2.353 | Virgo | 34° W | Morning sky |
| Dec 15 | +1.7 | 2.261 | Libra | 39° W | Morning 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 January 1987 (magnitude +0.6); 1 conjunctions, oppositions or elongations occur this year.