5501.

Saturn enters retrograde motion Saturn reverses its direction of motion across the sky. Tue, 07 Feb 2012 at 09:06 EDT (4,533 days ago) in Virgo

5502.

Mercury at superior solar conjunction Mercury passes around the far side of the Sun. Tue, 07 Feb 2012 at 04:13 EDT (4,533 days ago) in Capricornus

5503.

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. Mon, 30 Jan 2012 at 23:10 EDT (4,540 days ago) in Aries

5504.

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. Mon, 30 Jan 2012 at 12:41 EDT (4,541 days ago) in Aries

5505.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 4°32'. Mon, 30 Jan 2012 at 09:40 EDT (4,541 days ago) in Aries

5506.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Mon, 30 Jan 2012 at 07:05 EDT (4,541 days ago) in Aries

5507.

Supernova SN2012Z discovered A new supernova has been discovered in NGC 1309. Sat, 28 Jan 2012 (4,542 days ago)

5508.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 6°46'. Thu, 26 Jan 2012 at 13:46 EDT (4,545 days ago) in Aquarius

5509.

Supernova SN2012V discovered A new supernova has been discovered in NGC 6829. Tue, 24 Jan 2012 (4,546 days ago)

5510.

Mars enters retrograde motion Mars reverses its direction of motion across the sky. Mon, 23 Jan 2012 at 19:53 EDT (4,548 days ago) in Virgo

5511.

New Moon The Moon disappears into the Sun's glare for a few days. Mon, 23 Jan 2012 at 02:40 EDT (4,548 days ago) in Capricornus

5512.

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. Sun, 22 Jan 2012 at 12:15 EDT (4,549 days ago) in Sagittarius

5513.

γ-Ursae Minorid meteor shower 2012 The γ-Ursae Minorid meteor shower reaches its peak. Thu, 19 Jan 2012 (4,552 days ago) in Ursa Minor

5514.

Lunar occultation of Delta Scorpii The Moon will pass in front of Delta Scorpii (Dschubba), creating a lunar occultation visible from Mongolia, Russia and China. Wed, 18 Jan 2012 at 18:59 EDT (4,553 days ago) in Scorpius

5515.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Wed, 18 Jan 2012 at 00:45 EDT (4,553 days ago) in Sagittarius

5516.

Supernova SN2012O discovered A new supernova has been discovered in NGC 4906. Tue, 17 Jan 2012 (4,553 days ago)

5517.

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. Tue, 17 Jan 2012 at 16:23 EDT (4,554 days ago) in Libra

5518.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 6°22'. Mon, 16 Jan 2012 at 13:49 EDT (4,555 days ago) in Virgo

5519.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Mon, 16 Jan 2012 at 10:40 EDT (4,555 days ago) in Virgo

5520.

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. Mon, 16 Jan 2012 at 04:08 EDT (4,555 days ago) in Virgo