Planets TonightNeptune in 2047: brightness, position and events
Brightest+7.7around Nov 1
Closest (in table)28.828 au4313 million km
Farthest30.821 au
Events this year2
Brightest last year+7.7
Events this year
| Date (JST) | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|
| 2047-05-10 02:47 | Conjunction with the Sun | +7.8 | 30.824 | Aries | 1.7° |
| 2047-11-13 01:27 | Opposition | +7.7 | 28.826 | 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 | 29.224 | Aries | 126° E | Evening sky |
| Jan 15 | +7.7 | 29.437 | Aries | 112° E | Evening sky |
| Feb 1 | +7.7 | 29.723 | Aries | 94° E | Evening sky |
| Feb 15 | +7.8 | 29.965 | Aries | 80° E | Evening sky |
| Mar 1 | +7.8 | 30.197 | Aries | 66° E | Evening sky |
| Mar 15 | +7.8 | 30.406 | Aries | 53° E | Evening sky |
| Apr 1 | +7.8 | 30.613 | Aries | 36° E | Evening sky |
| Apr 15 | +7.8 | 30.735 | Aries | 23° E | Evening sky |
| May 1 | +7.8 | 30.812 | Aries | 8° E | Too close to the Sun |
| May 15 | +7.8 | 30.821 | Aries | 5° W | Too close to the Sun |
| Jun 1 | +7.8 | 30.761 | Aries | 21° W | Morning sky |
| Jun 15 | +7.8 | 30.655 | Aries | 34° W | Morning sky |
| Jul 1 | +7.8 | 30.480 | Aries | 48° W | Morning sky |
| Jul 15 | +7.8 | 30.288 | Aries | 61° W | Morning sky |
| Aug 1 | +7.8 | 30.021 | Aries | 77° W | Morning sky |
| Aug 15 | +7.8 | 29.787 | Aries | 91° W | Morning sky |
| Sep 1 | +7.7 | 29.504 | Aries | 107° W | Morning sky |
| Sep 15 | +7.7 | 29.289 | Aries | 121° W | Morning sky |
| Oct 1 | +7.7 | 29.080 | Aries | 137° W | Morning sky |
| Oct 15 | +7.7 | 28.942 | Aries | 151° W | Most of the night |
| Nov 1 | +7.7 | 28.844 | Aries | 168° W | Most of the night |
| Nov 15 | +7.7 | 28.828 | Aries | 177° E | Most of the night |
| Dec 1 | +7.7 | 28.883 | Aries | 161° E | Most of the night |
| Dec 15 | +7.7 | 28.992 | Aries | 146° 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 2047 (magnitude +7.7); 2 conjunctions, oppositions or elongations occur this year.