Planets TonightPlanet events and lunar eclipses in 2031
Oppositions5
Greatest elongations9
Lunar eclipses3
Visible from Tokyo2at maximum
Planet events
| Date (JST) | Planet | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|---|
| 2031-01-05 04:56 | Mercury | Greatest western elongation (morning) | -0.2 | 1.015 | Ophiuchus | 22.9° |
| 2031-02-20 22:36 | Mercury | Superior conjunction | -1.7 | 1.380 | Aquarius | 1.9° |
| 2031-03-18 21:06 | Mercury | Greatest eastern elongation (evening) | -0.2 | 0.906 | Pisces | 18.5° |
| 2031-04-03 08:54 | Neptune | Conjunction with the Sun | +7.8 | 30.850 | Pisces | 1.5° |
| 2031-04-05 05:01 | Mercury | Inferior conjunction | +6.2 | 0.593 | Pisces | 2.7° |
| 2031-05-03 05:31 | Mercury | Greatest western elongation (morning) | +0.5 | 0.836 | Pisces | 26.9° |
| 2031-05-04 21:03 | Mars | Opposition | -1.9 | 0.559 | Libra | 179.5° |
| 2031-06-02 12:33 | Venus | Greatest eastern elongation (evening) | -4.4 | 0.710 | Gemini | 45.4° |
| 2031-06-03 11:58 | Saturn | Conjunction with the Sun | -0.0 | 10.058 | Taurus | 1.5° |
| 2031-06-09 03:49 | Mercury | Superior conjunction | -2.4 | 1.322 | Taurus | 0.8° |
| 2031-06-14 14:43 | Uranus | Conjunction with the Sun | +5.8 | 20.137 | Taurus | 0.1° |
| 2031-06-15 18:19 | Jupiter | Opposition | -2.6 | 4.265 | Ophiuchus | 179.5° |
| 2031-07-15 16:24 | Mercury | Greatest eastern elongation (evening) | +0.5 | 0.846 | Leo | 26.6° |
| 2031-08-11 12:00 | Venus | Inferior conjunction | -4.1 | 0.289 | Cancer | 7.5° |
| 2031-08-12 13:04 | Mercury | Inferior conjunction | +5.4 | 0.607 | Cancer | 4.7° |
| 2031-08-30 02:35 | Mercury | Greatest western elongation (morning) | -0.2 | 0.919 | Cancer | 18.2° |
| 2031-09-24 10:27 | Mercury | Superior conjunction | -1.7 | 1.391 | Virgo | 1.5° |
| 2031-10-08 01:21 | Neptune | Opposition | +7.7 | 28.850 | Pisces | 178.4° |
| 2031-10-21 23:12 | Venus | Greatest western elongation (morning) | -4.5 | 0.695 | Leo | 46.4° |
| 2031-11-10 00:06 | Mercury | Greatest eastern elongation (evening) | -0.2 | 1.019 | Ophiuchus | 23.1° |
| 2031-11-30 11:42 | Mercury | Inferior conjunction | +6.4 | 0.678 | Scorpius | 1.0° |
| 2031-12-12 03:59 | Saturn | Opposition | -0.5 | 8.043 | Taurus | 178.4° |
| 2031-12-17 18:27 | Uranus | Opposition | +5.5 | 18.103 | Taurus | 179.8° |
| 2031-12-18 19:25 | Mercury | Greatest western elongation (morning) | -0.3 | 1.014 | Scorpius | 21.5° |
Lunar eclipses
| Maximum (JST) | Type | Umbral mag. | Tokyo |
|---|---|---|---|
| 2031-05-07 12:50 | Penumbral lunar eclipse | -0.09 | Moon below horizon |
| 2031-06-05 20:44 | Penumbral lunar eclipse | -0.82 | Moon up |
| 2031-10-30 16:45 | Penumbral lunar eclipse | -0.32 | Moon up |
Each planet this year
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
24 planetary conjunctions, oppositions and elongations and 3 lunar eclipses in 2031 (JST).