Planets TonightJupiter in 1978: brightness, position and events
Brightest-2.7around Jan 1
Closest (in table)4.168 au624 million km
Farthest6.223 au
Events this year1
Brightest last year-2.8
Events this year
| Date (JST) | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|
| 1978-07-10 19:37 | Conjunction with the Sun | -1.8 | 6.223 | Gemini | 0.1° |
Magnitude through the year (lower = brighter)
Twice-monthly position and visibility
| Date | Mag | Dist (au) | Constellation | Elong. | Visibility |
|---|---|---|---|---|---|
| Jan 1 | -2.7 | 4.168 | Gemini | 170° E | Most of the night |
| Jan 15 | -2.7 | 4.244 | Taurus | 154° E | Most of the night |
| Feb 1 | -2.6 | 4.407 | Taurus | 135° E | Evening sky |
| Feb 15 | -2.5 | 4.588 | Taurus | 120° E | Evening sky |
| Mar 1 | -2.4 | 4.797 | Taurus | 106° E | Evening sky |
| Mar 15 | -2.3 | 5.020 | Taurus | 93° E | Evening sky |
| Apr 1 | -2.1 | 5.293 | Taurus | 78° E | Evening sky |
| Apr 15 | -2.1 | 5.508 | Gemini | 66° E | Evening sky |
| May 1 | -2.0 | 5.730 | Gemini | 53° E | Evening sky |
| May 15 | -1.9 | 5.897 | Gemini | 42° E | Evening sky |
| Jun 1 | -1.9 | 6.057 | Gemini | 29° E | Evening sky |
| Jun 15 | -1.9 | 6.151 | Gemini | 18° E | Evening sky |
| Jul 1 | -1.9 | 6.211 | Gemini | 7° E | Too close to the Sun |
| Jul 15 | -1.8 | 6.223 | Gemini | 3° W | Too close to the Sun |
| Aug 1 | -1.9 | 6.183 | Gemini | 16° W | Morning sky |
| Aug 15 | -1.9 | 6.109 | Gemini | 26° W | Morning sky |
| Sep 1 | -1.9 | 5.969 | Cancer | 39° W | Morning sky |
| Sep 15 | -1.9 | 5.818 | Cancer | 50° W | Morning sky |
| Oct 1 | -2.0 | 5.612 | Cancer | 63° W | Morning sky |
| Oct 15 | -2.1 | 5.410 | Cancer | 75° W | Morning sky |
| Nov 1 | -2.2 | 5.148 | Cancer | 90° W | Morning sky |
| Nov 15 | -2.3 | 4.932 | Cancer | 104° W | Morning sky |
| Dec 1 | -2.4 | 4.701 | Cancer | 120° W | Morning sky |
| Dec 15 | -2.5 | 4.528 | Cancer | 134° 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
Jupiter is brightest around January 1978 (magnitude -2.7); 1 conjunctions, oppositions or elongations occur this year.