Planets TonightNeptune in 2005: brightness, position and events
Brightest+7.7around Jul 15
Closest (in table)29.054 au4346 million km
Farthest31.050 au
Events this year2
Brightest last year+7.7
Events this year
| Date (JST) | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|
| 2005-02-04 04:28 | Conjunction with the Sun | +7.8 | 31.051 | Capricornus | 0.1° |
| 2005-08-09 01:10 | Opposition | +7.7 | 29.047 | Capricornus | 179.9° |
Magnitude through the year (lower = brighter)
Twice-monthly position and visibility
| Date | Mag | Dist (au) | Constellation | Elong. | Visibility |
|---|---|---|---|---|---|
| Jan 1 | +7.8 | 30.886 | Capricornus | 33° E | Evening sky |
| Jan 15 | +7.8 | 30.993 | Capricornus | 19° E | Evening sky |
| Feb 1 | +7.8 | 31.050 | Capricornus | 3° E | Too close to the Sun |
| Feb 15 | +7.8 | 31.034 | Capricornus | 11° W | Too close to the Sun |
| Mar 1 | +7.8 | 30.963 | Capricornus | 25° W | Morning sky |
| Mar 15 | +7.8 | 30.840 | Capricornus | 38° W | Morning sky |
| Apr 1 | +7.8 | 30.633 | Capricornus | 54° W | Morning sky |
| Apr 15 | +7.8 | 30.426 | Capricornus | 68° W | Morning sky |
| May 1 | +7.8 | 30.164 | Capricornus | 83° W | Morning sky |
| May 15 | +7.8 | 29.927 | Capricornus | 97° W | Morning sky |
| Jun 1 | +7.8 | 29.649 | Capricornus | 113° W | Morning sky |
| Jun 15 | +7.7 | 29.444 | Capricornus | 127° W | Morning sky |
| Jul 1 | +7.7 | 29.252 | Capricornus | 142° W | Morning sky |
| Jul 15 | +7.7 | 29.131 | Capricornus | 156° W | Most of the night |
| Aug 1 | +7.7 | 29.055 | Capricornus | 173° W | Most of the night |
| Aug 15 | +7.7 | 29.054 | Capricornus | 174° E | Most of the night |
| Sep 1 | +7.7 | 29.131 | Capricornus | 157° E | Most of the night |
| Sep 15 | +7.7 | 29.252 | Capricornus | 143° E | Evening sky |
| Oct 1 | +7.7 | 29.448 | Capricornus | 127° E | Evening sky |
| Oct 15 | +7.8 | 29.656 | Capricornus | 113° E | Evening sky |
| Nov 1 | +7.8 | 29.939 | Capricornus | 96° E | Evening sky |
| Nov 15 | +7.8 | 30.180 | Capricornus | 82° E | Evening sky |
| Dec 1 | +7.8 | 30.444 | Capricornus | 66° E | Evening sky |
| Dec 15 | +7.8 | 30.651 | Capricornus | 52° 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 July 2005 (magnitude +7.7); 2 conjunctions, oppositions or elongations occur this year.