Uranus in 1978: brightness, position and events
Brightest+5.4around May 1
Closest (in table)17.621 au2636 million km
Farthest19.642 au
Events this year2
Brightest last year+5.4
Events this year
| Date (JST) | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|
| 1978-05-05 15:01 | Opposition | +5.4 | 17.618 | Libra | 179.6° |
| 1978-11-09 20:41 | Conjunction with the Sun | +5.7 | 19.647 | Libra | 0.3° |
Magnitude through the year (lower = brighter)
Twice-monthly position and visibility
| Date | Mag | Dist (au) | Constellation | Elong. | Visibility |
|---|---|---|---|---|---|
| Jan 1 | +5.6 | 19.154 | Libra | 55° W | Morning sky |
| Jan 15 | +5.6 | 18.943 | Libra | 69° W | Morning sky |
| Feb 1 | +5.5 | 18.661 | Libra | 86° W | Morning sky |
| Feb 15 | +5.5 | 18.423 | Libra | 100° W | Morning sky |
| Mar 1 | +5.5 | 18.195 | Libra | 114° W | Morning sky |
| Mar 15 | +5.5 | 17.990 | Libra | 128° W | Morning sky |
| Apr 1 | +5.4 | 17.791 | Libra | 145° W | Morning sky |
| Apr 15 | +5.4 | 17.680 | Libra | 160° W | Most of the night |
| May 1 | +5.4 | 17.621 | Libra | 176° W | Most of the night |
| May 15 | +5.4 | 17.632 | Libra | 170° E | Most of the night |
| Jun 1 | +5.4 | 17.722 | Libra | 153° E | Most of the night |
| Jun 15 | +5.5 | 17.853 | Libra | 139° E | Evening sky |
| Jul 1 | +5.5 | 18.055 | Libra | 124° E | Evening sky |
| Jul 15 | +5.5 | 18.265 | Libra | 110° E | Evening sky |
| Aug 1 | +5.6 | 18.545 | Libra | 94° E | Evening sky |
| Aug 15 | +5.6 | 18.781 | Libra | 81° E | Evening sky |
| Sep 1 | +5.6 | 19.054 | Libra | 65° E | Evening sky |
| Sep 15 | +5.6 | 19.255 | Libra | 52° E | Evening sky |
| Oct 1 | +5.6 | 19.442 | Libra | 37° E | Evening sky |
| Oct 15 | +5.7 | 19.561 | Libra | 24° E | Evening sky |
| Nov 1 | +5.7 | 19.638 | Libra | 8° E | Too close to the Sun |
| Nov 15 | +5.7 | 19.642 | Libra | 5° W | Too close to the Sun |
| Dec 1 | +5.7 | 19.581 | Libra | 20° W | Morning sky |
| Dec 15 | +5.6 | 19.471 | Libra | 34° 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
Uranus is brightest around May 1978 (magnitude +5.4); 2 conjunctions, oppositions or elongations occur this year.