Planets TonightPlanet events and lunar eclipses in 1981
Oppositions4
Greatest elongations7
Lunar eclipses2
Visible from Tokyo0at maximum
Planet events
| Date (JST) | Planet | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|---|
| 1981-02-02 10:06 | Mercury | Greatest eastern elongation (evening) | -0.5 | 0.958 | Aquarius | 18.3° |
| 1981-02-17 20:30 | Mercury | Inferior conjunction | +5.3 | 0.644 | Aquarius | 3.7° |
| 1981-03-16 10:06 | Mercury | Greatest western elongation (morning) | +0.2 | 0.923 | Aquarius | 27.6° |
| 1981-03-26 14:53 | Jupiter | Opposition | -2.5 | 4.452 | Virgo | 178.4° |
| 1981-03-27 13:52 | Saturn | Opposition | +0.5 | 8.559 | Virgo | 177.3° |
| 1981-04-02 23:13 | Mars | Conjunction with the Sun | +1.1 | 2.405 | Pisces | 0.6° |
| 1981-04-07 18:21 | Venus | Superior conjunction | -3.9 | 1.726 | Pisces | 1.2° |
| 1981-04-28 01:29 | Mercury | Superior conjunction | -2.4 | 1.327 | Aries | 0.3° |
| 1981-05-19 13:22 | Uranus | Opposition | +5.5 | 17.802 | Libra | 179.8° |
| 1981-05-27 12:47 | Mercury | Greatest eastern elongation (evening) | +0.4 | 0.826 | Taurus | 22.9° |
| 1981-06-15 00:51 | Neptune | Opposition | +7.8 | 29.261 | Ophiuchus | 178.6° |
| 1981-06-22 09:56 | Mercury | Inferior conjunction | +5.9 | 0.556 | Orion | 3.9° |
| 1981-07-14 22:31 | Mercury | Greatest western elongation (morning) | +0.3 | 0.855 | Orion | 20.7° |
| 1981-08-10 15:00 | Mercury | Superior conjunction | -2.0 | 1.348 | Leo | 1.7° |
| 1981-09-24 01:16 | Mercury | Greatest eastern elongation (evening) | +0.2 | 0.979 | Virgo | 26.3° |
| 1981-10-06 13:29 | Saturn | Conjunction with the Sun | +0.8 | 10.613 | Virgo | 2.2° |
| 1981-10-14 13:45 | Jupiter | Conjunction with the Sun | -1.7 | 6.449 | Virgo | 1.1° |
| 1981-10-18 19:30 | Mercury | Inferior conjunction | +6.4 | 0.667 | Virgo | 1.4° |
| 1981-11-03 12:43 | Mercury | Greatest western elongation (morning) | -0.5 | 0.988 | Virgo | 18.8° |
| 1981-11-11 10:54 | Venus | Greatest eastern elongation (evening) | -4.5 | 0.667 | Sagittarius | 47.2° |
| 1981-11-23 03:49 | Uranus | Conjunction with the Sun | +5.7 | 19.834 | Libra | 0.2° |
| 1981-12-10 23:54 | Mercury | Superior conjunction | -1.3 | 1.451 | Ophiuchus | 1.1° |
| 1981-12-16 23:53 | Neptune | Conjunction with the Sun | +8.0 | 31.258 | Ophiuchus | 1.3° |
Lunar eclipses
| Maximum (JST) | Type | Umbral mag. | Tokyo |
|---|---|---|---|
| 1981-01-20 16:49 | Penumbral lunar eclipse | -0.02 | Moon below horizon |
| 1981-07-17 13:46 | Partial lunar eclipse | 0.55 | 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
23 planetary conjunctions, oppositions and elongations and 2 lunar eclipses in 1981 (JST).