Neptune in 1969: brightness, position and events
Brightest+7.8around May 15
Closest (in table)29.315 au4386 million km
Farthest31.307 au
Events this year2
Brightest last year+7.8
Events this year
| Date (JST) | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|
| 1969-05-18 20:36 | Opposition | +7.8 | 29.313 | Libra | 178.2° |
| 1969-11-21 07:24 | Conjunction with the Sun | +8.0 | 31.311 | Libra | 1.6° |
Magnitude through the year (lower = brighter)
Twice-monthly position and visibility
| Date | Mag | Dist (au) | Constellation | Elong. | Visibility |
|---|---|---|---|---|---|
| Jan 1 | +8.0 | 31.038 | Libra | 43° W | Morning sky |
| Jan 15 | +8.0 | 30.854 | Libra | 57° W | Morning sky |
| Feb 1 | +8.0 | 30.588 | Libra | 74° W | Morning sky |
| Feb 15 | +7.9 | 30.349 | Libra | 88° W | Morning sky |
| Mar 1 | +7.9 | 30.108 | Libra | 102° W | Morning sky |
| Mar 15 | +7.9 | 29.880 | Libra | 116° W | Morning sky |
| Apr 1 | +7.9 | 29.637 | Libra | 133° W | Morning sky |
| Apr 15 | +7.9 | 29.480 | Libra | 147° W | Morning sky |
| May 1 | +7.9 | 29.361 | Libra | 163° W | Most of the night |
| May 15 | +7.8 | 29.315 | Libra | 176° W | Most of the night |
| Jun 1 | +7.9 | 29.337 | Libra | 166° E | Most of the night |
| Jun 15 | +7.9 | 29.417 | Libra | 153° E | Most of the night |
| Jul 1 | +7.9 | 29.571 | Libra | 137° E | Evening sky |
| Jul 15 | +7.9 | 29.750 | Libra | 124° E | Evening sky |
| Aug 1 | +7.9 | 30.007 | Libra | 107° E | Evening sky |
| Aug 15 | +nan | 30.239 | Libra | 94° E | Evening sky |
| Sep 1 | +7.9 | 30.524 | Libra | 78° E | Evening sky |
| Sep 15 | +8.0 | 30.747 | Libra | 64° E | Evening sky |
| Oct 1 | +8.0 | 30.971 | Libra | 49° E | Evening sky |
| Oct 15 | +8.0 | 31.129 | Libra | 36° E | Evening sky |
| Nov 1 | +8.0 | 31.259 | Libra | 19° E | Evening sky |
| Nov 15 | +8.0 | 31.307 | Libra | 6° E | Too close to the Sun |
| Dec 1 | +8.0 | 31.294 | Libra | 10° W | Too close to the Sun |
| Dec 15 | +8.0 | 31.222 | Libra | 24° 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 May 1969 (magnitude +7.8); 2 conjunctions, oppositions or elongations occur this year.