Neptune in 2048: brightness, position and events
Brightest+7.7around Nov 1
Closest (in table)28.828 au4313 million km
Farthest30.825 au
Events this year2
Brightest last year+7.7
Events this year
| Date (JST) | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|
| 2048-05-11 16:41 | Conjunction with the Sun | +7.8 | 30.826 | Aries | 1.7° |
| 2048-11-14 13:02 | Opposition | +7.7 | 28.828 | Aries | 178.2° |
Magnitude through the year (lower = brighter)
Twice-monthly position and visibility
| Date | Mag | Dist (au) | Constellation | Elong. | Visibility |
|---|---|---|---|---|---|
| Jan 1 | +7.7 | 29.192 | Aries | 129° E | Evening sky |
| Jan 15 | +7.7 | 29.399 | Aries | 114° E | Evening sky |
| Feb 1 | +7.7 | 29.682 | Aries | 97° E | Evening sky |
| Feb 15 | +7.8 | 29.924 | Aries | 83° E | Evening sky |
| Mar 1 | +7.8 | 30.175 | Aries | 68° E | Evening sky |
| Mar 15 | +7.8 | 30.387 | Aries | 54° E | Evening sky |
| Apr 1 | +7.8 | 30.599 | Aries | 38° E | Evening sky |
| Apr 15 | +7.8 | 30.726 | Aries | 25° E | Evening sky |
| May 1 | +7.8 | 30.809 | Aries | 10° E | Too close to the Sun |
| May 15 | +7.8 | 30.825 | Aries | 4° W | Too close to the Sun |
| Jun 1 | +7.8 | 30.771 | Aries | 19° W | Morning sky |
| Jun 15 | +7.8 | 30.671 | Aries | 32° W | Morning sky |
| Jul 1 | +7.8 | 30.501 | Aries | 47° W | Morning sky |
| Jul 15 | +7.8 | 30.312 | Aries | 60° W | Morning sky |
| Aug 1 | +7.8 | 30.048 | Taurus | 76° W | Morning sky |
| Aug 15 | +7.8 | 29.814 | Taurus | 89° W | Morning sky |
| Sep 1 | +7.7 | 29.531 | Taurus | 106° W | Morning sky |
| Sep 15 | +7.7 | 29.313 | Taurus | 119° W | Morning sky |
| Oct 1 | +7.7 | 29.100 | Aries | 135° W | Morning sky |
| Oct 15 | +7.7 | 28.956 | Aries | 149° W | Morning sky |
| Nov 1 | +7.7 | 28.851 | Aries | 166° W | Most of the night |
| Nov 15 | +7.7 | 28.828 | Aries | 178° E | Most of the night |
| Dec 1 | +7.7 | 28.876 | Aries | 162° E | Most of the night |
| Dec 15 | +7.7 | 28.979 | Aries | 148° 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 November 2048 (magnitude +7.7); 2 conjunctions, oppositions or elongations occur this year.