Planets TonightNeptune in 1970: brightness, position and events
Brightest+7.8around May 15
Closest (in table)29.318 au4386 million km
Farthest31.301 au
Events this year2
Brightest last year+7.8
Events this year
| Date (JST) | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|
| 1970-05-21 08:45 | Opposition | +7.8 | 29.311 | Libra | 178.3° |
| 1970-11-23 17:07 | Conjunction with the Sun | +8.0 | 31.309 | 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 | 31.065 | Libra | 40° W | Morning sky |
| Jan 15 | +8.0 | 30.887 | Libra | 54° W | Morning sky |
| Feb 1 | +8.0 | 30.626 | Libra | 71° W | Morning sky |
| Feb 15 | +7.9 | 30.390 | Libra | 85° W | Morning sky |
| Mar 1 | +7.9 | 30.149 | Libra | 99° W | Morning sky |
| Mar 15 | +7.9 | 29.917 | Libra | 113° W | Morning sky |
| Apr 1 | +7.9 | 29.667 | Libra | 130° W | Morning sky |
| Apr 15 | +7.9 | 29.503 | Libra | 144° W | Morning sky |
| May 1 | +7.9 | 29.373 | Libra | 160° W | Most of the night |
| May 15 | +7.8 | 29.318 | Libra | 174° W | Most of the night |
| Jun 1 | +7.8 | 29.327 | Libra | 169° E | Most of the night |
| Jun 15 | +7.9 | 29.398 | Libra | 155° E | Most of the night |
| Jul 1 | +7.9 | 29.541 | Libra | 140° E | Evening sky |
| Jul 15 | +7.9 | 29.714 | Libra | 126° E | Evening sky |
| Aug 1 | +7.9 | 29.966 | Libra | 110° E | Evening sky |
| Aug 15 | +nan | 30.196 | Libra | 96° E | Evening sky |
| Sep 1 | +7.9 | 30.482 | Libra | 80° E | Evening sky |
| Sep 15 | +8.0 | 30.708 | Libra | 67° E | Evening sky |
| Oct 1 | +8.0 | 30.938 | Libra | 51° E | Evening sky |
| Oct 15 | +8.0 | 31.103 | Libra | 38° E | Evening sky |
| Nov 1 | +8.0 | 31.243 | Libra | 22° E | Evening sky |
| Nov 15 | +8.0 | 31.301 | Libra | 8° E | Too close to the Sun |
| Dec 1 | +8.0 | 31.299 | Libra | 8° W | Too close to the Sun |
| Dec 15 | +8.0 | 31.236 | Libra | 21° 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 1970 (magnitude +7.8); 2 conjunctions, oppositions or elongations occur this year.