Planets TonightNeptune in 1959: brightness, position and events
Brightest+7.9around Apr 1
Closest (in table)29.328 au4387 million km
Farthest31.324 au
Events this year2
Brightest last year+7.9
Events this year
| Date (JST) | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|
| 1959-04-26 23:08 | Opposition | +7.9 | 29.326 | Virgo | 178.2° |
| 1959-10-31 06:10 | Conjunction with the Sun | +8.0 | 31.324 | Libra | 1.7° |
Magnitude through the year (lower = brighter)
Twice-monthly position and visibility
| Date | Mag | Dist (au) | Constellation | Elong. | Visibility |
|---|---|---|---|---|---|
| Jan 1 | +8.0 | 30.759 | Virgo | 63° W | Morning sky |
| Jan 15 | +7.9 | 30.531 | Libra | 77° W | Morning sky |
| Feb 1 | +7.9 | 30.237 | Libra | 95° W | Morning sky |
| Feb 15 | +7.9 | 30.000 | Libra | 109° W | Morning sky |
| Mar 1 | +7.9 | 29.781 | Libra | 123° W | Morning sky |
| Mar 15 | +7.9 | 29.595 | Libra | 137° W | Morning sky |
| Apr 1 | +7.9 | 29.428 | Virgo | 154° W | Most of the night |
| Apr 15 | +7.9 | 29.348 | Virgo | 168° W | Most of the night |
| May 1 | +7.9 | 29.328 | Virgo | 175° E | Most of the night |
| May 15 | +7.9 | 29.372 | Virgo | 162° E | Most of the night |
| Jun 1 | +7.9 | 29.498 | Virgo | 145° E | Evening sky |
| Jun 15 | +7.9 | 29.654 | Virgo | 131° E | Evening sky |
| Jul 1 | +7.9 | 29.877 | Virgo | 116° E | Evening sky |
| Jul 15 | +7.9 | 30.099 | Virgo | 102° E | Evening sky |
| Aug 1 | +nan | 30.384 | Virgo | 86° E | Evening sky |
| Aug 15 | +8.0 | 30.615 | Virgo | 73° E | Evening sky |
| Sep 1 | +8.0 | 30.872 | Virgo | 57° E | Evening sky |
| Sep 15 | +8.0 | 31.052 | Virgo | 44° E | Evening sky |
| Oct 1 | +8.0 | 31.208 | Virgo | 28° E | Evening sky |
| Oct 15 | +8.0 | 31.293 | Virgo | 15° E | Evening sky |
| Nov 1 | +8.0 | 31.324 | Libra | 2° W | Too close to the Sun |
| Nov 15 | +8.0 | 31.287 | Libra | 15° W | Too close to the Sun |
| Dec 1 | +8.0 | 31.178 | Libra | 30° W | Morning sky |
| Dec 15 | +8.0 | 31.030 | Libra | 44° W | Morning 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 April 1959 (magnitude +7.9); 2 conjunctions, oppositions or elongations occur this year.