501.

Asteroid 20 Massalia at opposition Asteroid 20 Massalia makes closest approach to the Earth. Tue, 07 Nov 2028 at 23:46 EDT (1,575 days away) in Aries

502.

Close approach of the Moon and M45 The Moon and M45 pass close to each other. Fri, 03 Nov 2028 at 19:40 EDT (1,570 days away) in Taurus

503.

Full Moon The Moon reaches full phase and is visible for much of the night. Thu, 02 Nov 2028 at 05:17 EDT (1,569 days away) in Aries

504.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 7°43'. Thu, 02 Nov 2028 at 04:33 EDT (1,569 days away) in Aries

505.

Saturn at opposition Saturn lies in the opposite direction to the Sun in the sky, making it slightly closer, brighter and larger than at other times. It is also optimally positioned to be observable for much of the night. Mon, 30 Oct 2028 at 13:25 EDT (1,566 days away) in Aries

506.

The Moon at aphelion The Moon recedes to its orbit's furthest point from the Sun, which happens each month around the time of full moon. Mon, 30 Oct 2028 at 08:15 EDT (1,566 days away) in Pisces

507.

Venus at perihelion Venus passes its orbit's closest point to the Sun. Sun, 29 Oct 2028 at 21:36 EDT (1,565 days away) in Virgo

508.

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 Oct 2028 at 02:54 EDT (1,565 days away) in Pisces

509.

136108 Haumea at solar conjunction 136108 Haumea is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Sun, 29 Oct 2028 at 01:13 EDT (1,565 days away) in Bootes

510.

The Perseus Double Cluster is well placed The Perseus Double Cluster (NGC 869 and NGC 884; combined mag 4.3) culminates at around midnight local time. Thu, 26 Oct 2028 (1,562 days away) in Perseus

511.

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. Wed, 25 Oct 2028 at 00:53 EDT (1,561 days away) in Capricornus

512.

Leonis Minorid meteor shower 2028 The Leonis Minorid meteor shower reaches its peak. Tue, 24 Oct 2028 (1,560 days away) in Leo Minor

513.

Asteroid 15 Eunomia at opposition Asteroid 15 Eunomia makes closest approach to the Earth. Sun, 22 Oct 2028 at 05:34 EDT (1,558 days away) in Pisces

514.

Conjunction of Jupiter and Mercury Jupiter and Mercury share the same right ascension, at a separation of 1°01'. Sun, 22 Oct 2028 at 01:24 EDT (1,558 days away) in Virgo

515.

Orionid meteor shower 2028 The Orionid meteor shower reaches its peak. Sat, 21 Oct 2028 (1,557 days away) in Orion

516.

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. Fri, 20 Oct 2028 at 09:07 EDT (1,556 days away) in Scorpius

517.

136199 Eris at opposition 136199 Eris lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Wed, 18 Oct 2028 at 23:18 EDT (1,554 days away) in Cetus

518.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Wed, 18 Oct 2028 (1,554 days away) in Virgo

519.

ε-Geminid meteor shower 2028 The ε-Geminid meteor shower reaches its peak. Wed, 18 Oct 2028 (1,554 days away) in Gemini

520.

New Moon The Moon disappears into the Sun's glare for a few days. Tue, 17 Oct 2028 at 22:57 EDT (1,553 days away) in Virgo