401.

Asteroid 79 Eurynome at opposition Asteroid 79 Eurynome makes closest approach to the Earth. Fri, 11 Dec 2020 at 14:10 EDT (1,313 days ago) in Orion

402.

σ-Hydrid meteor shower 2020 The σ-Hydrid meteor shower reaches its peak. Fri, 11 Dec 2020 (1,313 days ago) in Hydra

403.

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 (1,312 days ago) in Libra

404.

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 (1,312 days ago) in Libra

405.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Sat, 12 Dec 2020 at 16:06 EDT (1,312 days ago) in Libra

406.

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 (1,312 days ago) in Libra

407.

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 (1,312 days ago) in Dorado

408.

Geminid meteor shower 2020 The Geminid meteor shower reaches its peak. Sun, 13 Dec 2020 (1,310 days ago) in Gemini

409.

Total solar eclipse There will be an eclipse of the Sun, visible from Argentina and Chile. Mon, 14 Dec 2020 at 11:14 EDT (1,310 days ago) in Ophiuchus

410.

New Moon The Moon disappears into the Sun's glare for a few days. Mon, 14 Dec 2020 at 11:17 EDT (1,310 days ago) in Ophiuchus

411.

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 (1,309 days ago) in Sagittarius

412.

Comae Berenicid meteor shower 2020 The Comae Berenicid meteor shower reaches its peak. Tue, 15 Dec 2020 (1,309 days ago) in Leo

413.

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 (1,309 days ago) in Orion

414.

The Orion Nebula is well placed The Orion Nebula (M42; mag 4.0) culminates at around midnight local time. Tue, 15 Dec 2020 (1,309 days ago) in Orion

415.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Tue, 15 Dec 2020 at 21:27 EDT (1,309 days ago) in Ophiuchus

416.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 2°55'. Wed, 16 Dec 2020 at 23:30 EDT (1,307 days ago) in Sagittarius

417.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Thu, 17 Dec 2020 at 00:12 EDT (1,307 days ago) in Sagittarius

418.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 3°03'. Thu, 17 Dec 2020 at 00:19 EDT (1,307 days ago) in Capricornus

419.

Close approach of the Moon, Jupiter and Saturn The Moon, Jupiter and Saturn pass close to one another. Thu, 17 Dec 2020 at 01:05 EDT (1,307 days ago) in Capricornus

420.

Comet 141P/Machholz passes perihelion Comet 141P/Machholz makes its closest approach to the Sun. Thu, 17 Dec 2020 (1,307 days ago) in Aquarius