Planets TonightJupiter in 2021: brightness, position and events
Brightest-2.9around Aug 15
Closest (in table)4.017 au601 million km
Farthest6.070 au
Events this year2
Brightest last year-2.8
Events this year
| Date (JST) | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|
| 2021-01-29 10:39 | Conjunction with the Sun | -1.9 | 6.071 | Capricornus | 0.5° |
| 2021-08-20 09:28 | Opposition | -2.9 | 4.013 | Capricornus | 178.8° |
Magnitude through the year (lower = brighter)
Twice-monthly position and visibility
| Date | Mag | Dist (au) | Constellation | Elong. | Visibility |
|---|---|---|---|---|---|
| Jan 1 | -2.0 | 5.995 | Capricornus | 22° E | Evening sky |
| Jan 15 | -1.9 | 6.053 | Capricornus | 11° E | Too close to the Sun |
| Feb 1 | -1.9 | 6.070 | Capricornus | 2° W | Too close to the Sun |
| Feb 15 | -2.0 | 6.037 | Capricornus | 13° W | Too close to the Sun |
| Mar 1 | -2.0 | 5.964 | Capricornus | 24° W | Morning sky |
| Mar 15 | -2.0 | 5.854 | Capricornus | 35° W | Morning sky |
| Apr 1 | -2.1 | 5.675 | Capricornus | 48° W | Morning sky |
| Apr 15 | -2.1 | 5.496 | Capricornus | 60° W | Morning sky |
| May 1 | -2.2 | 5.266 | Aquarius | 73° W | Morning sky |
| May 15 | -2.3 | 5.050 | Aquarius | 84° W | Morning sky |
| Jun 1 | -2.4 | 4.784 | Aquarius | 99° W | Morning sky |
| Jun 15 | -2.5 | 4.572 | Aquarius | 112° W | Morning sky |
| Jul 1 | -2.6 | 4.355 | Aquarius | 128° W | Morning sky |
| Jul 15 | -2.7 | 4.198 | Aquarius | 142° W | Morning sky |
| Aug 1 | -2.8 | 4.067 | Aquarius | 160° W | Most of the night |
| Aug 15 | -2.9 | 4.017 | Aquarius | 174° W | Most of the night |
| Sep 1 | -2.9 | 4.034 | Capricornus | 167° E | Most of the night |
| Sep 15 | -2.8 | 4.111 | Capricornus | 152° E | Most of the night |
| Oct 1 | -2.7 | 4.260 | Capricornus | 135° E | Evening sky |
| Oct 15 | -2.6 | 4.432 | Capricornus | 120° E | Evening sky |
| Nov 1 | -2.5 | 4.677 | Capricornus | 104° E | Evening sky |
| Nov 15 | -2.4 | 4.893 | Capricornus | 91° E | Evening sky |
| Dec 1 | -2.3 | 5.141 | Capricornus | 76° E | Evening sky |
| Dec 15 | -2.2 | 5.346 | Aquarius | 64° E | Evening 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 August 2021 (magnitude -2.9); 2 conjunctions, oppositions or elongations occur this year.