Planets TonightNeptune in 1966: brightness, position and events
Brightest+7.8around May 15
Closest (in table)29.314 au4385 million km
Farthest31.312 au
Events this year2
Brightest last year+7.8
Events this year
| Date (JST) | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|
| 1966-05-12 08:48 | Opposition | +7.8 | 29.313 | Libra | 178.2° |
| 1966-11-15 02:43 | Conjunction with the Sun | +8.0 | 31.312 | 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 | 30.961 | Libra | 49° W | Morning sky |
| Jan 15 | +8.0 | 30.760 | Libra | 63° W | Morning sky |
| Feb 1 | +7.9 | 30.482 | Libra | 80° W | Morning sky |
| Feb 15 | +7.9 | 30.241 | Libra | 94° W | Morning sky |
| Mar 1 | +7.9 | 30.003 | Libra | 108° W | Morning sky |
| Mar 15 | +7.9 | 29.784 | Libra | 122° W | Morning sky |
| Apr 1 | +7.9 | 29.560 | Libra | 139° W | Morning sky |
| Apr 15 | +7.9 | 29.424 | Libra | 153° W | Most of the night |
| May 1 | +7.9 | 29.333 | Libra | 169° W | Most of the night |
| May 15 | +7.8 | 29.314 | Libra | 176° E | Most of the night |
| Jun 1 | +7.9 | 29.368 | Libra | 160° E | Most of the night |
| Jun 15 | +7.9 | 29.472 | Libra | 146° E | Evening sky |
| Jul 1 | +7.9 | 29.649 | Libra | 131° E | Evening sky |
| Jul 15 | +7.9 | 29.844 | Libra | 117° E | Evening sky |
| Aug 1 | +7.9 | 30.114 | Libra | 101° E | Evening sky |
| Aug 15 | +nan | 30.348 | Libra | 88° E | Evening sky |
| Sep 1 | +8.0 | 30.629 | Libra | 71° E | Evening sky |
| Sep 15 | +8.0 | 30.842 | Libra | 58° E | Evening sky |
| Oct 1 | +8.0 | 31.049 | Libra | 43° E | Evening sky |
| Oct 15 | +8.0 | 31.187 | Libra | 30° E | Evening sky |
| Nov 1 | +8.0 | 31.288 | Libra | 13° E | Too close to the Sun |
| Nov 15 | +8.0 | 31.312 | Libra | 2° W | Too close to the Sun |
| Dec 1 | +8.0 | 31.270 | Libra | 16° W | Morning sky |
| Dec 15 | +8.0 | 31.174 | Libra | 30° 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 1966 (magnitude +7.8); 2 conjunctions, oppositions or elongations occur this year.