21.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Mon, 30 Dec 2019 at 00:25 EDT (1,588 days ago) in Sagittarius

22.

The cluster NGC 2232 is well placed The open star cluster NGC 2232 (mag 4.2) in Monoceros culminates at around midnight local time. Sun, 29 Dec 2019 (1,589 days ago) in Monoceros

23.

Lunar occultation of Venus The Moon will pass in front of Venus, creating a lunar occultation visible from Antarctica. Sat, 28 Dec 2019 at 20:56 EDT (1,590 days ago) in Capricornus

24.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Sat, 28 Dec 2019 at 20:56 EDT (1,590 days ago) in Capricornus

25.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 59'. Sat, 28 Dec 2019 at 20:32 EDT (1,590 days ago) in Capricornus

26.

Jupiter at solar conjunction Jupiter is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Fri, 27 Dec 2019 at 13:14 EDT (1,591 days ago) in Sagittarius

27.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 1°12'. Fri, 27 Dec 2019 at 06:48 EDT (1,591 days ago) in Sagittarius

28.

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. Thu, 26 Dec 2019 at 14:57 EDT (1,592 days ago) in Sagittarius

29.

Annular solar eclipse There will be an eclipse of the Sun, visible from Asia. Thu, 26 Dec 2019 at 00:17 EDT (1,592 days ago) in Sagittarius

30.

New Moon The Moon disappears into the Sun's glare for a few days. Thu, 26 Dec 2019 at 00:14 EDT (1,592 days ago) in Sagittarius

31.

Jupiter at apogee Jupiter reaches its furthest point from the Earth, as it passes around the far side of the Sun. Wed, 25 Dec 2019 at 16:56 EDT (1,593 days ago) in Sagittarius

32.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Sun, 22 Dec 2019 at 22:51 EDT (1,596 days ago) in Libra

33.

Ursid meteor shower 2019 The Ursid meteor shower reaches its peak. Sun, 22 Dec 2019 (1,595 days ago) in Ursa Minor

34.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 3°31'. Sun, 22 Dec 2019 at 20:48 EDT (1,596 days ago) in Libra

35.

December solstice 22 December will be the shortest day of 2019 in the northern hemisphere. Sat, 21 Dec 2019 at 23:12 EDT (1,596 days ago) in Sagittarius

36.

December Leonis Minorid meteor shower 2019 The December Leonis Minorid meteor shower reaches its peak. Fri, 20 Dec 2019 (1,598 days ago) in Leo Minor

37.

Moon at Last Quarter The Moon reaches last quarter phase – rising in the east at around midnight and appearing high in the sky by sunrise. Wed, 18 Dec 2019 at 23:57 EDT (1,599 days ago) in Virgo

38.

The Moon at perigee The Moon makes its monthly closest approach to the Earth, making it appear fractionally larger than at other times of the month. Wed, 18 Dec 2019 at 15:25 EDT (1,600 days ago) in Leo

39.

Comae Berenicid meteor shower 2019 The Comae Berenicid meteor shower reaches its peak. Mon, 16 Dec 2019 (1,602 days ago) in Leo

40.

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. Sun, 15 Dec 2019 (1,603 days ago) in Orion