Planets TonightNeptune in 2034: brightness, position and events
Brightest+7.7around Oct 15
Closest (in table)28.842 au4315 million km
Farthest30.839 au
Events this year2
Brightest last year+7.7
Events this year
| Date (JST) | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|
| 2034-04-09 22:56 | Conjunction with the Sun | +7.8 | 30.842 | Pisces | 1.6° |
| 2034-10-14 14:29 | Opposition | +7.7 | 28.842 | Pisces | 178.3° |
Magnitude through the year (lower = brighter)
Twice-monthly position and visibility
| Date | Mag | Dist (au) | Constellation | Elong. | Visibility |
|---|---|---|---|---|---|
| Jan 1 | +7.7 | 29.714 | Pisces | 97° E | Evening sky |
| Jan 15 | +7.8 | 29.956 | Pisces | 82° E | Evening sky |
| Feb 1 | +7.8 | 30.239 | Pisces | 65° E | Evening sky |
| Feb 15 | +7.8 | 30.446 | Pisces | 52° E | Evening sky |
| Mar 1 | +7.8 | 30.618 | Pisces | 38° E | Evening sky |
| Mar 15 | +7.8 | 30.745 | Pisces | 24° E | Evening sky |
| Apr 1 | +7.8 | 30.830 | Pisces | 8° E | Too close to the Sun |
| Apr 15 | +7.8 | 30.839 | Pisces | 6° W | Too close to the Sun |
| May 1 | +7.8 | 30.784 | Pisces | 20° W | Morning sky |
| May 15 | +7.8 | 30.680 | Pisces | 33° W | Morning sky |
| Jun 1 | +7.8 | 30.494 | Pisces | 49° W | Morning sky |
| Jun 15 | +7.8 | 30.300 | Pisces | 62° W | Morning sky |
| Jul 1 | +7.8 | 30.049 | Pisces | 77° W | Morning sky |
| Jul 15 | +7.8 | 29.816 | Pisces | 90° W | Morning sky |
| Aug 1 | +7.7 | 29.534 | Pisces | 107° W | Morning sky |
| Aug 15 | +7.7 | 29.318 | Pisces | 120° W | Morning sky |
| Sep 1 | +7.7 | 29.096 | Pisces | 137° W | Morning sky |
| Sep 15 | +7.7 | 28.959 | Pisces | 151° W | Most of the night |
| Oct 1 | +7.7 | 28.864 | Pisces | 167° W | Most of the night |
| Oct 15 | +7.7 | 28.842 | Pisces | 178° E | Most of the night |
| Nov 1 | +7.7 | 28.895 | Pisces | 162° E | Most of the night |
| Nov 15 | +7.7 | 29.002 | Pisces | 147° E | Evening sky |
| Dec 1 | +7.7 | 29.185 | Pisces | 131° E | Evening sky |
| Dec 15 | +7.7 | 29.387 | Pisces | 116° 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
Neptune is brightest around October 2034 (magnitude +7.7); 2 conjunctions, oppositions or elongations occur this year.