Planets TonightJupiter in 1977: brightness, position and events
Brightest-2.8around Dec 15
Closest (in table)4.158 au622 million km
Farthest6.079 au
Events this year2
Brightest last year-2.9
Events this year
| Date (JST) | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|
| 1977-06-04 18:35 | Conjunction with the Sun | -1.9 | 6.082 | Taurus | 0.5° |
| 1977-12-23 09:39 | Opposition | -2.8 | 4.151 | Gemini | 179.7° |
Magnitude through the year (lower = brighter)
Twice-monthly position and visibility
| Date | Mag | Dist (au) | Constellation | Elong. | Visibility |
|---|---|---|---|---|---|
| Jan 1 | -2.7 | 4.324 | Aries | 131° E | Evening sky |
| Jan 15 | -2.6 | 4.513 | Aries | 116° E | Evening sky |
| Feb 1 | -2.4 | 4.774 | Aries | 100° E | Evening sky |
| Feb 15 | -2.3 | 4.999 | Aries | 86° E | Evening sky |
| Mar 1 | -2.2 | 5.222 | Taurus | 74° E | Evening sky |
| Mar 15 | -2.1 | 5.432 | Taurus | 62° E | Evening sky |
| Apr 1 | -2.1 | 5.658 | Taurus | 48° E | Evening sky |
| Apr 15 | -2.0 | 5.813 | Taurus | 37° E | Evening sky |
| May 1 | -2.0 | 5.951 | Taurus | 25° E | Evening sky |
| May 15 | -2.0 | 6.032 | Taurus | 15° E | Too close to the Sun |
| Jun 1 | -1.9 | 6.079 | Taurus | 2° E | Too close to the Sun |
| Jun 15 | -1.9 | 6.075 | Taurus | 8° W | Too close to the Sun |
| Jul 1 | -2.0 | 6.024 | Taurus | 19° W | Morning sky |
| Jul 15 | -2.0 | 5.939 | Taurus | 30° W | Morning sky |
| Aug 1 | -2.0 | 5.790 | Taurus | 42° W | Morning sky |
| Aug 15 | -2.1 | 5.633 | Taurus | 53° W | Morning sky |
| Sep 1 | -2.1 | 5.410 | Gemini | 67° W | Morning sky |
| Sep 15 | -2.2 | 5.206 | Gemini | 78° W | Morning sky |
| Oct 1 | -2.3 | 4.962 | Gemini | 93° W | Morning sky |
| Oct 15 | -2.4 | 4.751 | Gemini | 106° W | Morning sky |
| Nov 1 | -2.5 | 4.514 | Gemini | 122° W | Morning sky |
| Nov 15 | -2.6 | 4.351 | Gemini | 137° W | Morning sky |
| Dec 1 | -2.7 | 4.217 | Gemini | 155° W | Most of the night |
| Dec 15 | -2.8 | 4.158 | Gemini | 171° W | Most of the night |
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 December 1977 (magnitude -2.8); 2 conjunctions, oppositions or elongations occur this year.