Planet events and lunar eclipses in 2018
Oppositions5
Greatest elongations8
Lunar eclipses2
Visible from Tokyo1at maximum
Planet events
| Date (JST) | Planet | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|---|
| 2018-01-02 04:58 | Mercury | Greatest western elongation (morning) | -0.2 | 1.016 | Ophiuchus | 22.7° |
| 2018-01-09 16:01 | Venus | Superior conjunction | -3.9 | 1.711 | Sagittarius | 0.8° |
| 2018-02-17 21:27 | Mercury | Superior conjunction | -1.6 | 1.383 | Aquarius | 2.0° |
| 2018-03-04 22:53 | Neptune | Conjunction with the Sun | +7.8 | 30.935 | Aquarius | 0.9° |
| 2018-03-16 00:09 | Mercury | Greatest eastern elongation (evening) | -0.2 | 0.909 | Pisces | 18.4° |
| 2018-04-02 02:52 | Mercury | Inferior conjunction | +6.1 | 0.597 | Pisces | 2.8° |
| 2018-04-18 23:00 | Uranus | Conjunction with the Sun | +6.0 | 20.895 | Pisces | 0.5° |
| 2018-04-30 03:23 | Mercury | Greatest western elongation (morning) | +0.4 | 0.840 | Cetus | 27.0° |
| 2018-05-09 09:39 | Jupiter | Opposition | -2.5 | 4.400 | Libra | 178.7° |
| 2018-06-06 11:01 | Mercury | Superior conjunction | -2.4 | 1.322 | Taurus | 0.7° |
| 2018-06-27 22:27 | Saturn | Opposition | -0.1 | 9.049 | Sagittarius | 179.1° |
| 2018-07-12 14:29 | Mercury | Greatest eastern elongation (evening) | +0.5 | 0.842 | Cancer | 26.4° |
| 2018-07-27 14:13 | Mars | Opposition | -2.8 | 0.386 | Capricornus | 173.5° |
| 2018-08-09 11:05 | Mercury | Inferior conjunction | +5.3 | 0.604 | Cancer | 4.8° |
| 2018-08-18 02:31 | Venus | Greatest eastern elongation (evening) | -4.5 | 0.685 | Virgo | 45.9° |
| 2018-08-27 05:34 | Mercury | Greatest western elongation (morning) | -0.1 | 0.916 | Cancer | 18.3° |
| 2018-09-08 03:26 | Neptune | Opposition | +7.7 | 28.933 | Aquarius | 179.0° |
| 2018-09-21 10:52 | Mercury | Superior conjunction | -1.7 | 1.387 | Virgo | 1.5° |
| 2018-10-24 09:46 | Uranus | Opposition | +5.7 | 18.875 | Aries | 179.4° |
| 2018-10-26 23:16 | Venus | Inferior conjunction | -4.2 | 0.272 | Virgo | 6.3° |
| 2018-11-07 00:31 | Mercury | Greatest eastern elongation (evening) | -0.2 | 1.018 | Scorpius | 23.3° |
| 2018-11-26 15:33 | Jupiter | Conjunction with the Sun | -1.7 | 6.347 | Scorpius | 0.7° |
| 2018-11-27 18:14 | Mercury | Inferior conjunction | +6.5 | 0.678 | Scorpius | 0.9° |
| 2018-12-15 20:29 | Mercury | Greatest western elongation (morning) | -0.3 | 1.013 | Libra | 21.3° |
Lunar eclipses
| Maximum (JST) | Type | Umbral mag. | Tokyo |
|---|---|---|---|
| 2018-01-31 22:29 | Total lunar eclipse | 1.32 | Moon up |
| 2018-07-28 05:21 | Total lunar eclipse | 1.61 | Moon below horizon |
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 2 lunar eclipses in 2018 (JST).