121.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 3°33'. Fri, 14 Dec 2018 at 15:21 PDT (2,398 days ago) in Aquarius

122.

Geminid meteor shower 2018 The Geminid meteor shower reaches its peak. Fri, 14 Dec 2018 (2,398 days ago) in Gemini

123.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Thu, 13 Dec 2018 (2,399 days ago) in Scorpius

124.

Comet 46P/Wirtanen passes perigee Comet 46P/Wirtanen makes its closest approach to the Earth. Thu, 13 Dec 2018 (2,399 days ago) in Taurus

125.

Comet 46P/Wirtanen reaches peak brightness Comet 46P/Wirtanen is forecast to reach the brightest point in its 2018 apparition. Thu, 13 Dec 2018 (2,399 days ago) in Taurus

126.

The Large Magellanic Cloud is well placed The Milky Way's dwarf companion, the Large Magellanic Cloud (LMC; mag 0.9), in Dorado culminates at around midnight local time. Wed, 12 Dec 2018 (2,400 days ago) in Dorado

127.

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. Wed, 12 Dec 2018 at 04:24 PDT (2,400 days ago) in Capricornus

128.

σ-Hydrid meteor shower 2018 The σ-Hydrid meteor shower reaches its peak. Wed, 12 Dec 2018 (2,400 days ago) in Hydra

129.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Tue, 11 Dec 2018 at 04:38 PDT (2,401 days ago) in Libra

130.

Comet 46P/Wirtanen passes perihelion Comet 46P/Wirtanen makes its closest approach to the Sun. Tue, 11 Dec 2018 (2,401 days ago) in Orion

131.

Monocerotid meteor shower 2018 The Monocerotid meteor shower reaches its peak. Sun, 09 Dec 2018 (2,403 days ago) in Monoceros

132.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 1°07'. Sat, 08 Dec 2018 at 21:17 PDT (2,404 days ago) in Sagittarius

133.

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, 08 Dec 2018 at 10:40 PDT (2,404 days ago) in Sagittarius

134.

Asteroid 40 Harmonia at opposition Asteroid 40 Harmonia makes closest approach to the Earth. Sat, 08 Dec 2018 at 03:58 PDT (2,404 days ago) in Taurus

135.

Conjunction of Mars and Neptune Mars and Neptune share the same right ascension, at a separation of 2'21". Fri, 07 Dec 2018 at 06:45 PDT (2,405 days ago) in Aquarius

136.

Close approach of Mars and Neptune Mars and Neptune pass within 2'08" of each other. Fri, 07 Dec 2018 at 06:07 PDT (2,405 days ago) in Aquarius

137.

Puppid-Velid meteor shower 2018 The Puppid-Velid meteor shower reaches its peak. Fri, 07 Dec 2018 (2,405 days ago) in Vela

138.

New Moon The Moon disappears into the Sun's glare for a few days. Thu, 06 Dec 2018 at 23:21 PDT (2,405 days ago) in Ophiuchus

139.

December φ-Cassiopeid meteor shower 2018 The December φ-Cassiopeid meteor shower reaches its peak. Thu, 06 Dec 2018 (2,406 days ago) in Andromeda

140.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 1°52'. Wed, 05 Dec 2018 at 13:07 PDT (2,407 days ago) in Libra