Planets TonightPlanet events and lunar eclipses in 2021
Oppositions4
Greatest elongations7
Lunar eclipses2
Visible from Tokyo2at maximum
Planet events
| Date (JST) | Planet | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|---|
| 2021-01-24 10:56 | Mercury | Greatest eastern elongation (evening) | -0.5 | 0.968 | Capricornus | 18.6° |
| 2021-01-24 12:01 | Saturn | Conjunction with the Sun | +0.5 | 10.968 | Capricornus | 0.4° |
| 2021-01-29 10:39 | Jupiter | Conjunction with the Sun | -1.9 | 6.071 | Capricornus | 0.5° |
| 2021-02-08 22:47 | Mercury | Inferior conjunction | +5.4 | 0.652 | Aquarius | 3.6° |
| 2021-03-06 20:22 | Mercury | Greatest western elongation (morning) | +0.2 | 0.943 | Capricornus | 27.3° |
| 2021-03-11 09:00 | Neptune | Conjunction with the Sun | +7.8 | 30.919 | Aquarius | 1.1° |
| 2021-03-26 15:57 | Venus | Superior conjunction | -3.9 | 1.723 | Pisces | 1.4° |
| 2021-04-19 10:49 | Mercury | Superior conjunction | -2.3 | 1.331 | Aries | 0.6° |
| 2021-05-01 04:53 | Uranus | Conjunction with the Sun | +5.9 | 20.764 | Aries | 0.4° |
| 2021-05-17 14:53 | Mercury | Greatest eastern elongation (evening) | +0.4 | 0.834 | Taurus | 22.0° |
| 2021-06-11 10:12 | Mercury | Inferior conjunction | +6.2 | 0.551 | Taurus | 3.1° |
| 2021-07-05 04:45 | Mercury | Greatest western elongation (morning) | +0.3 | 0.842 | Taurus | 21.6° |
| 2021-08-01 23:07 | Mercury | Superior conjunction | -2.0 | 1.342 | Cancer | 1.7° |
| 2021-08-02 15:14 | Saturn | Opposition | +0.2 | 8.935 | Capricornus | 179.2° |
| 2021-08-20 09:28 | Jupiter | Opposition | -2.9 | 4.013 | Capricornus | 178.8° |
| 2021-09-14 13:24 | Mercury | Greatest eastern elongation (evening) | +0.1 | 0.962 | Virgo | 26.8° |
| 2021-09-14 18:20 | Neptune | Opposition | +7.7 | 28.917 | Aquarius | 178.8° |
| 2021-10-08 13:00 | Mars | Conjunction with the Sun | +1.6 | 2.628 | Virgo | 0.7° |
| 2021-10-10 01:18 | Mercury | Inferior conjunction | +6.1 | 0.662 | Virgo | 1.9° |
| 2021-10-25 14:29 | Mercury | Greatest western elongation (morning) | -0.5 | 0.980 | Virgo | 18.4° |
| 2021-10-30 05:51 | Venus | Greatest eastern elongation (evening) | -4.5 | 0.667 | Ophiuchus | 47.0° |
| 2021-11-05 08:57 | Uranus | Opposition | +5.7 | 18.739 | Aries | 179.6° |
| 2021-11-29 13:39 | Mercury | Superior conjunction | -1.4 | 1.451 | Scorpius | 0.7° |
Lunar eclipses
| Maximum (JST) | Type | Umbral mag. | Tokyo |
|---|---|---|---|
| 2021-05-26 20:18 | Total lunar eclipse | 1.01 | Moon up |
| 2021-11-19 18:02 | Partial lunar eclipse | 0.97 | 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
23 planetary conjunctions, oppositions and elongations and 2 lunar eclipses in 2021 (JST).