Neptune in 1951: brightness, position and events
Brightest+7.8around Apr 1
Closest (in table)29.302 au4384 million km
Farthest31.298 au
Events this year2
Events this year
| Date (JST) | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|
| 1951-04-09 04:52 | Opposition | +7.8 | 29.298 | Virgo | 178.3° |
| 1951-10-13 19:15 | Conjunction with the Sun | +8.0 | 31.298 | Virgo | 1.6° |
Magnitude through the year (lower = brighter)
Twice-monthly position and visibility
| Date | Mag | Dist (au) | Constellation | Elong. | Visibility |
|---|---|---|---|---|---|
| Jan 1 | +7.9 | 30.446 | Virgo | 80° W | Morning sky |
| Jan 15 | +7.9 | 30.203 | Virgo | 95° W | Morning sky |
| Feb 1 | +7.9 | 29.917 | Virgo | 112° W | Morning sky |
| Feb 15 | +7.9 | 29.704 | Virgo | 126° W | Morning sky |
| Mar 1 | +7.9 | 29.527 | Virgo | 141° W | Morning sky |
| Mar 15 | +7.9 | 29.396 | Virgo | 155° W | Most of the night |
| Apr 1 | +7.8 | 29.309 | Virgo | 172° W | Most of the night |
| Apr 15 | +7.8 | 29.302 | Virgo | 173° E | Most of the night |
| May 1 | +7.9 | 29.366 | Virgo | 158° E | Most of the night |
| May 15 | +7.9 | 29.479 | Virgo | 144° E | Evening sky |
| Jun 1 | +7.9 | 29.677 | Virgo | 127° E | Evening sky |
| Jun 15 | +7.9 | 29.880 | Virgo | 114° E | Evening sky |
| Jul 1 | +nan | 30.137 | Virgo | 98° E | Evening sky |
| Jul 15 | +nan | 30.372 | Virgo | 85° E | Evening sky |
| Aug 1 | +8.0 | 30.650 | Virgo | 69° E | Evening sky |
| Aug 15 | +8.0 | 30.857 | Virgo | 56° E | Evening sky |
| Sep 1 | +8.0 | 31.068 | Virgo | 40° E | Evening sky |
| Sep 15 | +8.0 | 31.195 | Virgo | 27° E | Evening sky |
| Oct 1 | +8.0 | 31.280 | Virgo | 12° E | Too close to the Sun |
| Oct 15 | +8.0 | 31.298 | Virgo | 2° W | Too close to the Sun |
| Nov 1 | +8.0 | 31.244 | Virgo | 18° W | Morning sky |
| Nov 15 | +8.0 | 31.140 | Virgo | 32° W | Morning sky |
| Dec 1 | +8.0 | 30.963 | Virgo | 47° W | Morning sky |
| Dec 15 | +8.0 | 30.766 | Virgo | 61° 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 1951 (magnitude +7.8); 2 conjunctions, oppositions or elongations occur this year.