Planet Events 2027
Oppositions and greatest elongations in 2027: 12 events, all in UTC. Jupiter, Mars, Neptune, Saturn, Uranus reach opposition; Mercury and Venus reach greatest elongation.
| Date (UTC) | Planet | Event | Details | Mag | Constellation |
|---|---|---|---|---|---|
| Jan 3, 2027 | Venus | Greatest elongation | 47.0° · morning | −4.6 | Libra |
| Feb 3, 2027 | Mercury | Greatest elongation | 18.3° · evening | −0.6 | Aquarius |
| Feb 11, 2027 | Jupiter | Opposition | 4.36 AU | −2.6 | Leo |
| Feb 19, 2027 | Mars | Opposition | 0.68 AU | −1.2 | Leo |
| Mar 17, 2027 | Mercury | Greatest elongation | 27.6° · morning | +0.1 | Aquarius |
| May 28, 2027 | Mercury | Greatest elongation | 22.9° · evening | +0.4 | Taurus |
| Jul 15, 2027 | Mercury | Greatest elongation | 20.7° · morning | +0.3 | Orion |
| Sep 24, 2027 | Mercury | Greatest elongation | 26.3° · evening | +0.0 | Virgo |
| Sep 28, 2027 | Neptune | Opposition | 28.87 AU | +7.8 | Pisces |
| Oct 18, 2027 | Saturn | Opposition | 8.33 AU | −0.1 | Pisces |
| Nov 4, 2027 | Mercury | Greatest elongation | 18.8° · morning | −0.6 | Virgo |
| Nov 30, 2027 | Uranus | Opposition | 18.38 AU | +5.6 | Taurus |
Oppositions and greatest elongations are computed with astronomy-engine, a high-precision ephemeris. Distance, magnitude and constellation are for each event's exact moment. All dates and times are UTC.