Neptune in 1985: brightness, position and events
Brightest+7.8around Jun 15
Closest (in table)29.245 au4375 million km
Farthest31.227 au
Events this year2
Brightest last year+7.8
Events this year
| Date (JST) | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|
| 1985-06-24 04:04 | Opposition | +7.8 | 29.237 | Sagittarius | 178.8° |
| 1985-12-25 13:34 | Conjunction with the Sun | +8.0 | 31.232 | Sagittarius | 1.1° |
Magnitude through the year (lower = brighter)
Twice-monthly position and visibility
| Date | Mag | Dist (au) | Constellation | Elong. | Visibility |
|---|---|---|---|---|---|
| Jan 1 | +8.0 | 31.227 | Sagittarius | 9° W | Too close to the Sun |
| Jan 15 | +8.0 | 31.160 | Sagittarius | 23° W | Morning sky |
| Feb 1 | +7.9 | 31.009 | Sagittarius | 40° W | Morning sky |
| Feb 15 | +7.9 | 30.835 | Sagittarius | 53° W | Morning sky |
| Mar 1 | +7.9 | 30.626 | Sagittarius | 67° W | Morning sky |
| Mar 15 | +7.9 | 30.396 | Sagittarius | 81° W | Morning sky |
| Apr 1 | +7.9 | 30.105 | Sagittarius | 98° W | Morning sky |
| Apr 15 | +7.9 | 29.873 | Sagittarius | 112° W | Morning sky |
| May 1 | +7.8 | 29.634 | Sagittarius | 127° W | Morning sky |
| May 15 | +7.8 | 29.462 | Sagittarius | 141° W | Morning sky |
| Jun 1 | +7.8 | 29.313 | Sagittarius | 158° W | Most of the night |
| Jun 15 | +7.8 | 29.249 | Sagittarius | 171° W | Most of the night |
| Jul 1 | +7.8 | 29.245 | Sagittarius | 173° E | Most of the night |
| Jul 15 | +7.8 | 29.301 | Sagittarius | 159° E | Most of the night |
| Aug 1 | +7.8 | 29.442 | Sagittarius | 142° E | Evening sky |
| Aug 15 | +7.8 | 29.607 | Sagittarius | 129° E | Evening sky |
| Sep 1 | +7.9 | 29.855 | Sagittarius | 112° E | Evening sky |
| Sep 15 | +7.9 | 30.084 | Sagittarius | 99° E | Evening sky |
| Oct 1 | +7.9 | 30.356 | Sagittarius | 83° E | Evening sky |
| Oct 15 | +7.9 | 30.587 | Sagittarius | 69° E | Evening sky |
| Nov 1 | +7.9 | 30.839 | Sagittarius | 53° E | Evening sky |
| Nov 15 | +7.9 | 31.010 | Sagittarius | 39° E | Evening sky |
| Dec 1 | +8.0 | 31.151 | Sagittarius | 24° E | Evening sky |
| Dec 15 | +8.0 | 31.218 | Sagittarius | 10° 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 1985 (magnitude +7.8); 2 conjunctions, oppositions or elongations occur this year.