Jupiter in 1987: brightness, position and events
Brightest-2.9around Oct 15
Closest (in table)3.960 au592 million km
Farthest5.952 au
Events this year2
Brightest last year-2.9
Events this year
| Date (JST) | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|
| 1987-03-27 09:54 | Conjunction with the Sun | -2.0 | 5.953 | Pisces | 1.1° |
| 1987-10-18 23:31 | Opposition | -2.9 | 3.959 | Pisces | 178.4° |
Magnitude through the year (lower = brighter)
Twice-monthly position and visibility
| Date | Mag | Dist (au) | Constellation | Elong. | Visibility |
|---|---|---|---|---|---|
| Jan 1 | -2.2 | 5.257 | Aquarius | 67° E | Evening sky |
| Jan 15 | -2.2 | 5.451 | Aquarius | 56° E | Evening sky |
| Feb 1 | -2.1 | 5.653 | Aquarius | 42° E | Evening sky |
| Feb 15 | -2.1 | 5.784 | Pisces | 30° E | Evening sky |
| Mar 1 | -2.1 | 5.879 | Pisces | 20° E | Evening sky |
| Mar 15 | -2.0 | 5.936 | Pisces | 9° E | Too close to the Sun |
| Apr 1 | -2.0 | 5.952 | Cetus | 4° W | Too close to the Sun |
| Apr 15 | -2.1 | 5.921 | Pisces | 14° W | Too close to the Sun |
| May 1 | -2.1 | 5.839 | Pisces | 26° W | Morning sky |
| May 15 | -2.1 | 5.729 | Pisces | 36° W | Morning sky |
| Jun 1 | -2.1 | 5.554 | Pisces | 49° W | Morning sky |
| Jun 15 | -2.2 | 5.380 | Pisces | 60° W | Morning sky |
| Jul 1 | -2.3 | 5.156 | Pisces | 73° W | Morning sky |
| Jul 15 | -2.4 | 4.947 | Pisces | 84° W | Morning sky |
| Aug 1 | -2.5 | 4.688 | Pisces | 99° W | Morning sky |
| Aug 15 | -2.6 | 4.482 | Pisces | 112° W | Morning sky |
| Sep 1 | -2.7 | 4.259 | Pisces | 129° W | Morning sky |
| Sep 15 | -2.8 | 4.112 | Pisces | 143° W | Morning sky |
| Oct 1 | -2.9 | 4.000 | Pisces | 160° W | Most of the night |
| Oct 15 | -2.9 | 3.960 | Pisces | 176° W | Most of the night |
| Nov 1 | -2.9 | 3.992 | Pisces | 165° E | Most of the night |
| Nov 15 | -2.9 | 4.082 | Pisces | 149° E | Evening sky |
| Dec 1 | -2.7 | 4.247 | Pisces | 132° E | Evening sky |
| Dec 15 | -2.6 | 4.432 | Pisces | 117° 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
Jupiter is brightest around October 1987 (magnitude -2.9); 2 conjunctions, oppositions or elongations occur this year.