401.

Puppid-Velid meteor shower 2020 The Puppid-Velid meteor shower reaches its peak. Sun, 06 Dec 2020 (1,298 days ago) in Vela

402.

Asteroid 16 Psyche at opposition Asteroid 16 Psyche makes closest approach to the Earth. Mon, 07 Dec 2020 at 06:58 EDT (1,297 days ago) in Taurus

403.

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, 07 Dec 2020 at 19:37 EDT (1,297 days ago) in Leo

404.

Monocerotid meteor shower 2020 The Monocerotid meteor shower reaches its peak. Tue, 08 Dec 2020 (1,296 days ago) in Monoceros

405.

Asteroid 79 Eurynome at opposition Asteroid 79 Eurynome makes closest approach to the Earth. Fri, 11 Dec 2020 at 06:58 EDT (1,293 days ago) in Orion

406.

Comet C/2020 S3 (Erasmus) passes perihelion Comet C/2020 S3 (Erasmus) makes its closest approach to the Sun. Fri, 11 Dec 2020 (1,293 days ago) in Scorpius

407.

σ-Hydrid meteor shower 2020 The σ-Hydrid meteor shower reaches its peak. Fri, 11 Dec 2020 (1,293 days ago) in Hydra

408.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 47'. Sat, 12 Dec 2020 at 15:40 EDT (1,292 days ago) in Libra

409.

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. Sat, 12 Dec 2020 at 15:42 EDT (1,292 days ago) in Libra

410.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Sat, 12 Dec 2020 at 16:06 EDT (1,292 days ago) in Libra

411.

Lunar occultation of Venus The Moon will pass in front of Venus, creating a lunar occultation visible from countries and territories including the Contiguous United States, Canada, Alaska and Mexico amongst others. Sat, 12 Dec 2020 at 16:06 EDT (1,292 days ago) in Libra

412.

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. Sat, 12 Dec 2020 (1,292 days ago) in Dorado

413.

Geminid meteor shower 2020 The Geminid meteor shower reaches its peak. Sun, 13 Dec 2020 (1,290 days ago) in Gemini

414.

Total solar eclipse There will be an eclipse of the Sun, visible from Argentina and Chile. Mon, 14 Dec 2020 at 11:14 EDT (1,290 days ago) in Ophiuchus

415.

New Moon The Moon disappears into the Sun's glare for a few days. Mon, 14 Dec 2020 at 11:17 EDT (1,290 days ago) in Ophiuchus

416.

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. Tue, 15 Dec 2020 at 09:03 EDT (1,289 days ago) in Sagittarius

417.

Comae Berenicid meteor shower 2020 The Comae Berenicid meteor shower reaches its peak. Tue, 15 Dec 2020 (1,289 days ago) in Leo

418.

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. Tue, 15 Dec 2020 (1,289 days ago) in Orion

419.

The Orion Nebula is well placed The Orion Nebula (M42; mag 4.0) culminates at around midnight local time. Tue, 15 Dec 2020 (1,289 days ago) in Orion

420.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Tue, 15 Dec 2020 at 21:27 EDT (1,289 days ago) in Ophiuchus