4021.

σ-Hydrid meteor shower 2015 The σ-Hydrid meteor shower reaches its peak. Sat, 12 Dec 2015 (3,128 days ago) in Hydra

4022.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 7°11'. Sat, 12 Dec 2015 at 09:08 EDT (3,128 days ago) in Sagittarius

4023.

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, 12 Dec 2015 at 01:10 EDT (3,128 days ago) in Sagittarius

4024.

New Moon The Moon disappears into the Sun's glare for a few days. Fri, 11 Dec 2015 at 05:30 EDT (3,129 days ago) in Ophiuchus

4025.

Monocerotid meteor shower 2015 The Monocerotid meteor shower reaches its peak. Wed, 09 Dec 2015 (3,131 days ago) in Monoceros

4026.

Asteroid 16 Psyche at opposition Asteroid 16 Psyche makes closest approach to the Earth. Mon, 07 Dec 2015 at 16:34 EDT (3,133 days ago) in Taurus

4027.

Lunar occultation of Venus The Moon will pass in front of Venus, creating a lunar occultation visible from countries and territories including Canada, the Contiguous United States, Alaska and Mexico amongst others. Mon, 07 Dec 2015 at 12:19 EDT (3,133 days ago) in Virgo

4028.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Mon, 07 Dec 2015 at 12:19 EDT (3,133 days ago) in Virgo

4029.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 39'. Mon, 07 Dec 2015 at 11:55 EDT (3,133 days ago) in Virgo

4030.

Puppid-Velid meteor shower 2015 The Puppid-Velid meteor shower reaches its peak. Mon, 07 Dec 2015 (3,133 days ago) in Vela

4031.

December φ-Cassiopeid meteor shower 2015 The December φ-Cassiopeid meteor shower reaches its peak. Sun, 06 Dec 2015 (3,134 days ago) in Andromeda

4032.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 5'48". Sat, 05 Dec 2015 at 21:41 EDT (3,135 days ago) in Virgo

4033.

Lunar occultation of Mars The Moon will pass in front of Mars, creating a lunar occultation visible from Africa and Western Asia. Sat, 05 Dec 2015 at 21:38 EDT (3,135 days ago) in Virgo

4034.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Sat, 05 Dec 2015 at 21:38 EDT (3,135 days ago) in Virgo

4035.

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, 05 Dec 2015 at 09:56 EDT (3,135 days ago) in Virgo

4036.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 1°47'. Fri, 04 Dec 2015 at 01:25 EDT (3,136 days ago) in Leo

4037.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Fri, 04 Dec 2015 at 00:17 EDT (3,136 days ago) in Leo

4038.

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. Thu, 03 Dec 2015 at 02:41 EDT (3,137 days ago) in Sextans

4039.

Pheonicid meteor shower 2015 The Pheonicid meteor shower reaches its peak. Wed, 02 Dec 2015 (3,138 days ago) in Phoenix

4040.

Saturn at solar conjunction Saturn is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Sun, 29 Nov 2015 at 19:06 EDT (3,141 days ago) in Scorpius