Planets TonightNeptune in 1986: brightness, position and events
Brightest+7.8around Jun 1
Closest (in table)29.231 au4373 million km
Farthest31.225 au
Events this year2
Brightest last year+7.8
Events this year
| Date (JST) | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|
| 1986-06-26 17:03 | Opposition | +7.8 | 29.228 | Sagittarius | 178.9° |
| 1986-12-27 23:03 | Conjunction with the Sun | +8.0 | 31.223 | Sagittarius | 1.0° |
Magnitude through the year (lower = brighter)
Twice-monthly position and visibility
| Date | Mag | Dist (au) | Constellation | Elong. | Visibility |
|---|---|---|---|---|---|
| Jan 1 | +8.0 | 31.225 | Sagittarius | 7° W | Too close to the Sun |
| Jan 15 | +8.0 | 31.167 | Sagittarius | 21° W | Morning sky |
| Feb 1 | +7.9 | 31.026 | Sagittarius | 37° W | Morning sky |
| Feb 15 | +7.9 | 30.859 | Sagittarius | 51° W | Morning sky |
| Mar 1 | +7.9 | 30.656 | Sagittarius | 65° W | Morning sky |
| Mar 15 | +7.9 | 30.428 | Sagittarius | 79° W | Morning sky |
| Apr 1 | +7.9 | 30.138 | Sagittarius | 95° W | Morning sky |
| Apr 15 | +7.9 | 29.904 | Sagittarius | 109° W | Morning sky |
| May 1 | +7.8 | 29.660 | Sagittarius | 125° W | Morning sky |
| May 15 | +7.8 | 29.480 | Sagittarius | 138° W | Morning sky |
| Jun 1 | +7.8 | 29.321 | Sagittarius | 155° W | Most of the night |
| Jun 15 | +7.8 | 29.247 | Sagittarius | 169° W | Most of the night |
| Jul 1 | +7.8 | 29.231 | Sagittarius | 175° E | Most of the night |
| Jul 15 | +7.8 | 29.278 | Sagittarius | 162° E | Most of the night |
| Aug 1 | +7.8 | 29.407 | Sagittarius | 145° E | Evening sky |
| Aug 15 | +7.8 | 29.566 | Sagittarius | 131° E | Evening sky |
| Sep 1 | +7.8 | 29.807 | Sagittarius | 115° E | Evening sky |
| Sep 15 | +7.9 | 30.034 | Sagittarius | 101° E | Evening sky |
| Oct 1 | +7.9 | 30.305 | Sagittarius | 86° E | Evening sky |
| Oct 15 | +7.9 | 30.538 | Sagittarius | 72° E | Evening sky |
| Nov 1 | +7.9 | 30.796 | Sagittarius | 55° E | Evening sky |
| Nov 15 | +7.9 | 30.973 | Sagittarius | 42° E | Evening sky |
| Dec 1 | +7.9 | 31.124 | Sagittarius | 26° E | Evening sky |
| Dec 15 | +8.0 | 31.201 | Sagittarius | 12° E | Too close to the Sun |
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
Neptune is brightest around June 1986 (magnitude +7.8); 2 conjunctions, oppositions or elongations occur this year.