401.

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, 03 Dec 2028 at 15:20 EDT (1,600 days away) in Taurus

402.

Comet 19P/Borrelly passes perigee Comet 19P/Borrelly makes its closest approach to the Earth. Tue, 05 Dec 2028 (1,602 days away) in Cetus

403.

December φ-Cassiopeid meteor shower 2028 The December φ-Cassiopeid meteor shower reaches its peak. Tue, 05 Dec 2028 (1,603 days away) in Andromeda

404.

Comet 19P/Borrelly reaches peak brightness Comet 19P/Borrelly is forecast to reach the brightest point in its 2028 apparition. Wed, 06 Dec 2028 (1,603 days away) in Cetus

405.

Puppid-Velid meteor shower 2028 The Puppid-Velid meteor shower reaches its peak. Wed, 06 Dec 2028 (1,604 days away) in Vela

406.

Comet 108P/Ciffreo passes perihelion Comet 108P/Ciffreo makes its closest approach to the Sun. Thu, 07 Dec 2028 (1,604 days away) in Pisces

407.

Monocerotid meteor shower 2028 The Monocerotid meteor shower reaches its peak. Fri, 08 Dec 2028 (1,605 days away) in Monoceros

408.

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. Sat, 09 Dec 2028 at 00:39 EDT (1,606 days away) in Leo

409.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 7°46'. Sat, 09 Dec 2028 at 18:02 EDT (1,606 days away) in Virgo

410.

Comet 19P/Borrelly passes perihelion Comet 19P/Borrelly makes its closest approach to the Sun. Sun, 10 Dec 2028 (1,607 days away) in Cetus

411.

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. Mon, 11 Dec 2028 at 07:30 EDT (1,608 days away) in Virgo

412.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Mon, 11 Dec 2028 at 10:50 EDT (1,608 days away) in Virgo

413.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 6°50'. Mon, 11 Dec 2028 at 15:02 EDT (1,608 days away) in Virgo

414.

σ-Hydrid meteor shower 2028 The σ-Hydrid meteor shower reaches its peak. Mon, 11 Dec 2028 (1,608 days away) in Hydra

415.

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. Tue, 12 Dec 2028 (1,609 days away) in Dorado

416.

Geminid meteor shower 2028 The Geminid meteor shower reaches its peak. Wed, 13 Dec 2028 (1,611 days away) in Gemini

417.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 5°02'. Thu, 14 Dec 2028 at 02:35 EDT (1,611 days away) in Libra

418.

The Orion Nebula is well placed The Orion Nebula (M42; mag 4.0) culminates at around midnight local time. Thu, 14 Dec 2028 (1,611 days away) in Orion

419.

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. Thu, 14 Dec 2028 (1,611 days away) in Orion

420.

Asteroid 14 Irene at opposition Asteroid 14 Irene makes closest approach to the Earth. Thu, 14 Dec 2028 at 23:46 EDT (1,612 days away) in Taurus