421.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 5°02'. Thu, 14 Dec 2028 at 02:35 EDT (1,632 days away) in Libra

422.

The Running Man cluster is well placed The Running Man cluster NGC 1977 (mag 4.2) in Orion's sword culminates at around midnight local time. Thu, 14 Dec 2028 (1,632 days away) in Orion

423.

The Orion Nebula is well placed The Orion Nebula (M42; mag 4.0) culminates at around midnight local time. Thu, 14 Dec 2028 (1,632 days away) in Orion

424.

Asteroid 14 Irene at opposition Asteroid 14 Irene makes closest approach to the Earth. Thu, 14 Dec 2028 at 23:46 EDT (1,633 days away) in Taurus

425.

Comae Berenicid meteor shower 2028 The Comae Berenicid meteor shower reaches its peak. Fri, 15 Dec 2028 (1,633 days away) in Leo

426.

New Moon The Moon disappears into the Sun's glare for a few days. Fri, 15 Dec 2028 at 21:07 EDT (1,633 days away) in Ophiuchus

427.

Neptune ends retrograde motion Neptune returns to its usual eastward motion after opposition. Sat, 16 Dec 2028 at 17:37 EDT (1,634 days away) in Pisces

428.

The Moon at perihelion The Moon passes its orbit's closest point to the Sun, which happens each month around the time of new moon. Sat, 16 Dec 2028 at 20:51 EDT (1,634 days away) in Sagittarius

429.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 1°58'. Sun, 17 Dec 2028 at 01:55 EDT (1,635 days away) in Sagittarius

430.

December Leonis Minorid meteor shower 2028 The December Leonis Minorid meteor shower reaches its peak. Tue, 19 Dec 2028 (1,637 days away) in Leo Minor

431.

December solstice 21 December will be the shortest day of 2028 in the northern hemisphere. Thu, 21 Dec 2028 at 03:26 EDT (1,639 days away) in Sagittarius

432.

Ursid meteor shower 2028 The Ursid meteor shower reaches its peak. Fri, 22 Dec 2028 (1,640 days away) in Ursa Minor

433.

The Moon at apogee The Moon recedes to its orbit's furthest point from the Earth, making it appear fractionally smaller than at other times of the month. Sat, 23 Dec 2028 at 16:00 EDT (1,641 days away) in Pisces

434.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and setting in the west at around midnight. Sat, 23 Dec 2028 at 16:45 EDT (1,641 days away) in Pisces

435.

Jupiter at aphelion Jupiter passes the furthest point along its orbit from the Sun. Mon, 25 Dec 2028 at 05:29 EDT (1,643 days away) in Virgo

436.

Comet 185P/Petriew passes perihelion Comet 185P/Petriew makes its closest approach to the Sun. Mon, 25 Dec 2028 (1,643 days away) in Aquarius

437.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 7°50'. Tue, 26 Dec 2028 at 13:51 EDT (1,644 days away) in Cetus

438.

1 Ceres at solar conjunction 1 Ceres is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Tue, 26 Dec 2028 at 23:31 EDT (1,645 days away) in Sagittarius

439.

Close approach of the Moon and M45 The Moon and M45 pass close to each other. Thu, 28 Dec 2028 at 10:40 EDT (1,646 days away) in Taurus

440.

The cluster NGC 2232 is well placed The open star cluster NGC 2232 (mag 4.2) in Monoceros culminates at around midnight local time. Thu, 28 Dec 2028 (1,646 days away) in Monoceros