Planets TonightNeptune in 1958: brightness, position and events
Brightest+7.9around Apr 1
Closest (in table)29.331 au4388 million km
Farthest31.321 au
Events this year2
Brightest last year+7.9
Events this year
| Date (JST) | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|
| 1958-04-24 11:30 | Opposition | +7.8 | 29.325 | Virgo | 178.2° |
| 1958-10-28 19:54 | Conjunction with the Sun | +8.0 | 31.324 | Virgo | 1.7° |
Magnitude through the year (lower = brighter)
Twice-monthly position and visibility
| Date | Mag | Dist (au) | Constellation | Elong. | Visibility |
|---|---|---|---|---|---|
| Jan 1 | +8.0 | 30.720 | Virgo | 66° W | Morning sky |
| Jan 15 | +7.9 | 30.488 | Virgo | 80° W | Morning sky |
| Feb 1 | +7.9 | 30.195 | Virgo | 97° W | Morning sky |
| Feb 15 | +7.9 | 29.959 | Virgo | 111° W | Morning sky |
| Mar 1 | +7.9 | 29.746 | Virgo | 125° W | Morning sky |
| Mar 15 | +7.9 | 29.566 | Virgo | 140° W | Morning sky |
| Apr 1 | +7.9 | 29.409 | Virgo | 157° W | Most of the night |
| Apr 15 | +7.9 | 29.340 | Virgo | 171° W | Most of the night |
| May 1 | +7.9 | 29.331 | Virgo | 173° E | Most of the night |
| May 15 | +7.9 | 29.385 | Virgo | 159° E | Most of the night |
| Jun 1 | +7.9 | 29.522 | Virgo | 142° E | Evening sky |
| Jun 15 | +7.9 | 29.686 | Virgo | 129° E | Evening sky |
| Jul 1 | +7.9 | 29.915 | Virgo | 113° E | Evening sky |
| Jul 15 | +7.9 | 30.140 | Virgo | 100° E | Evening sky |
| Aug 1 | +nan | 30.425 | Virgo | 84° E | Evening sky |
| Aug 15 | +8.0 | 30.654 | Virgo | 70° E | Evening sky |
| Sep 1 | +8.0 | 30.907 | Virgo | 54° E | Evening sky |
| Sep 15 | +8.0 | 31.080 | Virgo | 41° E | Evening sky |
| Oct 1 | +8.0 | 31.227 | Virgo | 26° E | Evening sky |
| Oct 15 | +8.0 | 31.303 | Virgo | 13° E | Too close to the Sun |
| Nov 1 | +8.0 | 31.321 | Virgo | 4° W | Too close to the Sun |
| Nov 15 | +8.0 | 31.275 | Virgo | 17° W | Morning sky |
| Dec 1 | +8.0 | 31.156 | Virgo | 33° W | Morning sky |
| Dec 15 | +8.0 | 31.000 | Virgo | 46° 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 1958 (magnitude +7.9); 2 conjunctions, oppositions or elongations occur this year.