Planets TonightNeptune in 2001: brightness, position and events
Brightest+7.7around Jul 15
Closest (in table)29.086 au4351 million km
Farthest31.087 au
Events this year2
Brightest last year+7.7
Events this year
| Date (JST) | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|
| 2001-01-26 12:54 | Conjunction with the Sun | +7.9 | 31.092 | Capricornus | 0.2° |
| 2001-07-30 20:48 | Opposition | +7.7 | 29.086 | 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 | 30.999 | Capricornus | 25° E | Evening sky |
| Jan 15 | +7.9 | 31.073 | Capricornus | 11° E | Too close to the Sun |
| Feb 1 | +7.9 | 31.087 | Capricornus | 6° W | Too close to the Sun |
| Feb 15 | +7.8 | 31.036 | Capricornus | 20° W | Morning sky |
| Mar 1 | +7.8 | 30.931 | Capricornus | 33° W | Morning sky |
| Mar 15 | +7.8 | 30.779 | Capricornus | 47° W | Morning sky |
| Apr 1 | +7.8 | 30.544 | Capricornus | 63° W | Morning sky |
| Apr 15 | +7.8 | 30.321 | Capricornus | 77° W | Morning sky |
| May 1 | +7.8 | 30.051 | Capricornus | 92° W | Morning sky |
| May 15 | +7.8 | 29.816 | Capricornus | 106° W | Morning sky |
| Jun 1 | +7.8 | 29.552 | Capricornus | 122° W | Morning sky |
| Jun 15 | +7.7 | 29.368 | Capricornus | 136° W | Morning sky |
| Jul 1 | +7.7 | 29.207 | Capricornus | 151° W | Most of the night |
| Jul 15 | +7.7 | 29.119 | Capricornus | 165° W | Most of the night |
| Aug 1 | +7.7 | 29.086 | Capricornus | 178° E | Most of the night |
| Aug 15 | +7.7 | 29.123 | Capricornus | 165° E | Most of the night |
| Sep 1 | +7.7 | 29.241 | Capricornus | 148° E | Evening sky |
| Sep 15 | +7.7 | 29.393 | Capricornus | 134° E | Evening sky |
| Oct 1 | +7.8 | 29.615 | Capricornus | 118° E | Evening sky |
| Oct 15 | +7.8 | 29.839 | Capricornus | 104° E | Evening sky |
| Nov 1 | +7.8 | 30.128 | Capricornus | 87° E | Evening sky |
| Nov 15 | +7.8 | 30.365 | Capricornus | 73° E | Evening sky |
| Dec 1 | +7.8 | 30.614 | Capricornus | 58° E | Evening sky |
| Dec 15 | +7.8 | 30.800 | Capricornus | 44° 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 2001 (magnitude +7.7); 2 conjunctions, oppositions or elongations occur this year.