Planets TonightNeptune in 2046: brightness, position and events
Brightest+7.7around Nov 1
Closest (in table)28.829 au4313 million km
Farthest30.815 au
Events this year2
Brightest last year+7.7
Events this year
| Date (JST) | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|
| 2046-05-07 12:58 | Conjunction with the Sun | +7.8 | 30.821 | Aries | 1.7° |
| 2046-11-10 13:43 | Opposition | +7.7 | 28.824 | 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 | 29.257 | Aries | 124° E | Evening sky |
| Jan 15 | +7.7 | 29.474 | Aries | 109° E | Evening sky |
| Feb 1 | +7.8 | 29.763 | Aries | 92° E | Evening sky |
| Feb 15 | +7.8 | 30.005 | Aries | 78° E | Evening sky |
| Mar 1 | +7.8 | 30.234 | Aries | 64° E | Evening sky |
| Mar 15 | +7.8 | 30.438 | Aries | 50° E | Evening sky |
| Apr 1 | +7.8 | 30.636 | Aries | 34° E | Evening sky |
| Apr 15 | +7.8 | 30.749 | Aries | 21° E | Evening sky |
| May 1 | +7.8 | 30.815 | Aries | 6° E | Too close to the Sun |
| May 15 | +7.8 | 30.815 | Aries | 8° W | Too close to the Sun |
| Jun 1 | +7.8 | 30.743 | Aries | 23° W | Morning sky |
| Jun 15 | +7.8 | 30.628 | Aries | 36° W | Morning sky |
| Jul 1 | +7.8 | 30.445 | Aries | 51° W | Morning sky |
| Jul 15 | +7.8 | 30.247 | Aries | 64° W | Morning sky |
| Aug 1 | +7.8 | 29.976 | Aries | 80° W | Morning sky |
| Aug 15 | +7.8 | 29.741 | Aries | 93° W | Morning sky |
| Sep 1 | +7.7 | 29.461 | Aries | 110° W | Morning sky |
| Sep 15 | +7.7 | 29.251 | Aries | 123° W | Morning sky |
| Oct 1 | +7.7 | 29.049 | Aries | 139° W | Morning sky |
| Oct 15 | +7.7 | 28.920 | Aries | 153° W | Most of the night |
| Nov 1 | +7.7 | 28.835 | Aries | 170° W | Most of the night |
| Nov 15 | +7.7 | 28.829 | Aries | 175° E | Most of the night |
| Dec 1 | +7.7 | 28.896 | Aries | 158° E | Most of the night |
| Dec 15 | +7.7 | 29.015 | Aries | 144° 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 2046 (magnitude +7.7); 2 conjunctions, oppositions or elongations occur this year.