21.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Mon, 17 Jan 2028 at 13:23 EDT (1,306 days away) in Capricornus

22.

The cluster NGC 2451 is well placed The open star cluster NGC 2451 (mag 2.8) in Puppis culminates at around midnight local time. Mon, 17 Jan 2028 (1,306 days away) in Puppis

23.

Asteroid 3 Juno at opposition Asteroid 3 Juno makes closest approach to the Earth. Tue, 18 Jan 2028 at 09:22 EDT (1,307 days away) in Canis Minor

24.

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. Tue, 18 Jan 2028 at 14:26 EDT (1,307 days away) in Virgo

25.

Mercury at dichotomy Mercury reaches half phase in the evening sky. Wed, 19 Jan 2028 at 02:44 EDT (1,308 days away) in Capricornus

26.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Wed, 19 Jan 2028 (1,308 days away) in Capricornus

27.

γ-Ursae Minorid meteor shower 2028 The γ-Ursae Minorid meteor shower reaches its peak. Wed, 19 Jan 2028 (1,308 days away) in Ursa Minor

28.

The cluster NGC 2516 is well placed The open star cluster NGC 2516 (mag 3.8) in Volans culminates at around midnight local time. Thu, 20 Jan 2028 (1,309 days away) in Carina

29.

Lunar occultation of Antares The Moon will pass in front of Antares (Alpha Scorpii), creating a lunar occultation visible from countries and territories including India, China, Myanmar and Thailand amongst others. Fri, 21 Jan 2028 at 19:35 EDT (1,310 days away) in Scorpius

30.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Sun, 23 Jan 2028 at 23:40 EDT (1,313 days away) in Aquarius

31.

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, 24 Jan 2028 (1,313 days away) in Vela

32.

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, 25 Jan 2028 at 10:51 EDT (1,314 days away) in Sagittarius

33.

Annular solar eclipse There will be an eclipse of the Sun, visible from northern Brazil, southern Ecuador, northern Peru and Spain. Wed, 26 Jan 2028 at 10:08 EDT (1,315 days away) in Capricornus

34.

New Moon The Moon disappears into the Sun's glare for a few days. Wed, 26 Jan 2028 at 10:13 EDT (1,315 days away) in Capricornus

35.

Comet 73P/Schwassmann-Wachmann passes perihelion Comet 73P/Schwassmann-Wachmann makes its closest approach to the Sun. Thu, 27 Jan 2028 (1,316 days away) in Sagittarius

36.

134340 Pluto at solar conjunction 134340 Pluto is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Thu, 27 Jan 2028 at 09:27 EDT (1,316 days away) in Capricornus

37.

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. Fri, 28 Jan 2028 at 10:31 EDT (1,317 days away) in Aquarius

38.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Sun, 30 Jan 2028 at 03:32 EDT (1,319 days away) in Aquarius

39.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 5°26'. Sun, 30 Jan 2028 at 09:03 EDT (1,319 days away) in Aquarius

40.

Asteroid 4 Vesta at opposition Asteroid 4 Vesta makes closest approach to the Earth. Mon, 31 Jan 2028 at 06:58 EDT (1,320 days away) in Cancer