4101.

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, 15 Oct 2015 at 16:12 EDT (3,186 days ago) in Libra

4102.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Thu, 15 Oct 2015 at 03:06 EDT (3,186 days ago) in Virgo

4103.

New Moon The Moon disappears into the Sun's glare for a few days. Mon, 12 Oct 2015 at 20:07 EDT (3,189 days ago) in Virgo

4104.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Mon, 12 Oct 2015 at 14:15 EDT (3,189 days ago) in Virgo

4105.

Uranus at opposition Uranus lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Sun, 11 Oct 2015 at 23:41 EDT (3,190 days ago) in Pisces

4106.

δ-Aurigid meteor shower 2015 The δ-Aurigid meteor shower reaches its peak. Sun, 11 Oct 2015 (3,190 days ago) in Auriga

4107.

Asteroid 471 Papagena at opposition Asteroid 471 Papagena makes closest approach to the Earth. Sun, 11 Oct 2015 at 10:22 EDT (3,190 days ago) in Cetus

4108.

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. Sun, 11 Oct 2015 at 09:17 EDT (3,190 days ago) in Virgo

4109.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 56'. Sun, 11 Oct 2015 at 08:00 EDT (3,190 days ago) in Virgo

4110.

Southern Taurid meteor shower 2015 The Southern Taurid meteor shower reaches its peak. Sat, 10 Oct 2015 (3,191 days ago) in Cetus

4111.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 2°43'. Fri, 09 Oct 2015 at 19:33 EDT (3,192 days ago) in Leo

4112.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Fri, 09 Oct 2015 at 17:53 EDT (3,192 days ago) in Leo

4113.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 3°25'. Fri, 09 Oct 2015 at 12:51 EDT (3,192 days ago) in Leo

4114.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Fri, 09 Oct 2015 at 10:43 EDT (3,192 days ago) in Leo

4115.

Draconid meteor shower 2015 The Draconid meteor shower reaches its peak. Fri, 09 Oct 2015 (3,192 days ago) in Draco

4116.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 41'. Thu, 08 Oct 2015 at 16:32 EDT (3,193 days ago) in Leo

4117.

Lunar occultation of Venus The Moon will pass in front of Venus, creating a lunar occultation visible from countries and territories including Australia, New Zealand, Antarctica and Tasmania amongst others. Thu, 08 Oct 2015 at 16:07 EDT (3,193 days ago) in Leo

4118.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Thu, 08 Oct 2015 at 16:07 EDT (3,193 days ago) in Leo

4119.

October Camelopardalid meteor shower 2015 The October Camelopardalid meteor shower reaches its peak. Tue, 06 Oct 2015 (3,195 days ago) in Draco

4120.

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. Sun, 04 Oct 2015 at 17:06 EDT (3,197 days ago) in Gemini