Planets TonightNeptune in 1957: brightness, position and events
Brightest+7.9around Apr 1
Closest (in table)29.331 au4388 million km
Farthest31.316 au
Events this year2
Brightest last year+7.8
Events this year
| Date (JST) | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|
| 1957-04-22 00:06 | Opposition | +7.8 | 29.323 | Virgo | 178.2° |
| 1957-10-26 09:38 | Conjunction with the Sun | +8.0 | 31.323 | 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 | 30.679 | Virgo | 68° W | Morning sky |
| Jan 15 | +7.9 | 30.445 | Virgo | 82° W | Morning sky |
| Feb 1 | +7.9 | 30.151 | Virgo | 99° W | Morning sky |
| Feb 15 | +7.9 | 29.918 | Virgo | 114° W | Morning sky |
| Mar 1 | +7.9 | 29.709 | Virgo | 128° W | Morning sky |
| Mar 15 | +7.9 | 29.537 | Virgo | 142° W | Morning sky |
| Apr 1 | +7.9 | 29.391 | Virgo | 159° W | Most of the night |
| Apr 15 | +7.9 | 29.331 | Virgo | 173° W | Most of the night |
| May 1 | +7.9 | 29.334 | Virgo | 170° E | Most of the night |
| May 15 | +7.9 | 29.398 | Virgo | 156° E | Most of the night |
| Jun 1 | +7.9 | 29.546 | Virgo | 140° E | Evening sky |
| Jun 15 | +7.9 | 29.717 | Virgo | 126° E | Evening sky |
| Jul 1 | +7.9 | 29.952 | Virgo | 111° E | Evening sky |
| Jul 15 | +nan | 30.180 | Virgo | 98° E | Evening sky |
| Aug 1 | +7.9 | 30.465 | Virgo | 81° E | Evening sky |
| Aug 15 | +8.0 | 30.692 | Virgo | 68° E | Evening sky |
| Sep 1 | +8.0 | 30.938 | Virgo | 52° E | Evening sky |
| Sep 15 | +8.0 | 31.105 | Virgo | 39° E | Evening sky |
| Oct 1 | +8.0 | 31.242 | Virgo | 24° E | Evening sky |
| Oct 15 | +8.0 | 31.309 | Virgo | 11° E | Too close to the Sun |
| Nov 1 | +8.0 | 31.316 | Virgo | 6° W | Too close to the Sun |
| Nov 15 | +8.0 | 31.260 | Virgo | 20° W | Morning sky |
| Dec 1 | +8.0 | 31.131 | Virgo | 35° W | Morning sky |
| Dec 15 | +8.0 | 30.968 | Virgo | 49° 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 1957 (magnitude +7.9); 2 conjunctions, oppositions or elongations occur this year.