621.

Jupiter at perihelion Jupiter passes its orbit's closest point to the Sun. Sun, 22 Jan 2023 at 00:53 EDT (541 days ago) in Pisces

622.

Conjunction of Venus and Saturn Venus and Saturn share the same right ascension, at a separation of 21'. Sun, 22 Jan 2023 at 14:36 EDT (541 days ago) in Capricornus

623.

Close approach of Venus and Saturn Venus and Saturn pass within 20' of each other. Sun, 22 Jan 2023 at 17:13 EDT (541 days ago) in Capricornus

624.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Sun, 22 Jan 2023 at 18:23 EDT (541 days ago) in Aries

625.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 3°49'. Mon, 23 Jan 2023 at 02:22 EDT (540 days ago) in Capricornus

626.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 3°27'. Mon, 23 Jan 2023 at 03:19 EDT (540 days ago) in Capricornus

627.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Mon, 23 Jan 2023 (540 days ago) in Sagittarius

628.

Comet 71P/Clark passes perihelion Comet 71P/Clark makes its closest approach to the Sun. Mon, 23 Jan 2023 (540 days ago) in Sagittarius

629.

The cluster NGC 2547 is well placed The open star cluster NGC 2547 (mag 4.7) in Vela culminates at around midnight local time. Mon, 23 Jan 2023 (540 days ago) in Vela

630.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Tue, 24 Jan 2023 at 10:12 EDT (539 days ago) in Sagittarius

631.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 1°48'. Wed, 25 Jan 2023 at 21:03 EDT (538 days ago) in Pisces

632.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Wed, 25 Jan 2023 at 22:30 EDT (538 days ago) in Pisces

633.

Asteroid 6 Hebe at opposition Asteroid 6 Hebe makes closest approach to the Earth. Thu, 26 Jan 2023 at 11:46 EDT (537 days ago) in Cancer

634.

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. Sat, 28 Jan 2023 at 10:19 EDT (535 days ago) in Aries

635.

Close approach of the Moon and Uranus The Moon and Uranus pass close to each other. Sat, 28 Jan 2023 at 22:28 EDT (535 days ago) in Aries

636.

Lunar occultation of Uranus The Moon will pass in front of Uranus, creating a lunar occultation visible from Greenland, Canada and Alaska. Sat, 28 Jan 2023 at 22:28 EDT (535 days ago) in Aries

637.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Mon, 30 Jan 2023 at 04:05 EDT (533 days ago) in Sagittarius

638.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 6'19". Mon, 30 Jan 2023 at 23:24 EDT (532 days ago) in Taurus

639.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Mon, 30 Jan 2023 at 23:27 EDT (532 days ago) in Taurus

640.

Lunar occultation of Mars The Moon will pass in front of Mars, creating a lunar occultation visible from countries and territories including the Contiguous United States, Mexico, Colombia and Venezuela amongst others. Mon, 30 Jan 2023 at 23:27 EDT (532 days ago) in Taurus