321.

Asteroid 89 Julia at opposition Asteroid 89 Julia makes closest approach to the Earth. Tue, 24 Aug 2021 at 03:10 EDT (990 days ago) in Aquarius

322.

Comet 8P/Tuttle passes perihelion Comet 8P/Tuttle makes its closest approach to the Sun. Sat, 28 Aug 2021 (986 days ago) in Hydra

323.

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, 29 Aug 2021 at 22:22 EDT (985 days ago) in Taurus

324.

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, 30 Aug 2021 at 03:13 EDT (984 days ago) in Taurus

325.

Comet 8P/Tuttle reaches peak brightness Comet 8P/Tuttle is forecast to reach the brightest point in its 2021 apparition. Tue, 31 Aug 2021 (983 days ago) in Hydra

326.

Aurigid meteor shower 2021 The Aurigid meteor shower reaches its peak. Tue, 31 Aug 2021 (982 days ago) in Auriga

327.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Thu, 02 Sep 2021 (981 days ago) in Virgo

328.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Sun, 05 Sep 2021 at 20:28 EDT (978 days ago) in Virgo

329.

New Moon The Moon disappears into the Sun's glare for a few days. Mon, 06 Sep 2021 at 20:52 EDT (977 days ago) in Leo

330.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 6°31'. Wed, 08 Sep 2021 at 16:18 EDT (975 days ago) in Virgo

331.

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. Wed, 08 Sep 2021 at 20:17 EDT (975 days ago) in Virgo

332.

September ε-Perseid meteor shower 2021 The September ε-Perseid meteor shower reaches its peak. Thu, 09 Sep 2021 (974 days ago) in Perseus

333.

Comet 4P/Faye passes perihelion Comet 4P/Faye makes its closest approach to the Sun. Thu, 09 Sep 2021 (974 days ago) in Taurus

334.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 4°04'. Thu, 09 Sep 2021 at 22:08 EDT (974 days ago) in Virgo

335.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Fri, 10 Sep 2021 at 01:17 EDT (973 days ago) in Virgo

336.

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, 11 Sep 2021 at 06:03 EDT (972 days ago) in Libra

337.

Asteroid 2 Pallas at opposition Asteroid 2 Pallas makes closest approach to the Earth. Sat, 11 Sep 2021 at 07:58 EDT (972 days ago) in Pisces

338.

Lunar occultation of Beta1 Scorpii The Moon will pass in front of Beta1 Scorpii (Acrab), creating a lunar occultation visible from Antarctica. Sun, 12 Sep 2021 at 10:20 EDT (971 days ago) in Scorpius

339.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and setting in the west at around midnight. Mon, 13 Sep 2021 at 16:39 EDT (970 days ago) in Ophiuchus

340.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Mon, 13 Sep 2021 at 17:55 EDT (970 days ago) in Virgo