281.

Conjunction of Mercury and Mars Mercury and Mars share the same right ascension, at a separation of 2°07'. Tue, 21 Oct 2025 at 02:26 EST (20 days ago) in Libra

282.

Comet C/2025 A6 (Lemmon) passes perigee Comet C/2025 A6 (Lemmon) makes its closest approach to the Earth. Tue, 21 Oct 2025 (20 days ago) in Bootes

283.

Orionid meteor shower 2025 The Orionid meteor shower reaches its peak. Tue, 21 Oct 2025 (20 days ago) in Orion

284.

New Moon The Moon disappears into the Sun's glare for a few days. Tue, 21 Oct 2025 at 08:26 EST (20 days ago) in Virgo

285.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 4°30'. Thu, 23 Oct 2025 at 09:29 EST (18 days ago) in Libra

286.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 2°15'. Thu, 23 Oct 2025 at 12:15 EST (18 days ago) in Libra

287.

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. Thu, 23 Oct 2025 at 19:30 EST (18 days ago) in Libra

288.

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, 24 Oct 2025 at 07:14 EST (17 days ago) in Scorpius

289.

Leonis Minorid meteor shower 2025 The Leonis Minorid meteor shower reaches its peak. Fri, 24 Oct 2025 (17 days ago) in Leo Minor

290.

Lunar occultation of Antares The Moon will pass in front of Antares (Alpha Scorpii), creating a lunar occultation visible from Argentina, Chile, Antarctica and Falkland Islands. Fri, 24 Oct 2025 at 20:49 EST (17 days ago) in Scorpius

291.

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. Sat, 25 Oct 2025 at 16:19 EST (16 days ago) in Bootes

292.

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. Sun, 26 Oct 2025 (15 days ago) in Perseus

293.

Comet C/2025 A6 (Lemmon) reaches peak brightness Comet C/2025 A6 (Lemmon) is forecast to reach the brightest point in its 2025 apparition. Mon, 27 Oct 2025 (14 days ago)

294.

Comet 3I/ATLAS passes perihelion Comet 3I/ATLAS makes its closest approach to the Sun. Wed, 29 Oct 2025 (12 days ago) in Virgo

295.

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, 29 Oct 2025 at 12:21 EST (12 days ago) in Capricornus

296.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Wed, 29 Oct 2025 at 16:28 EST (12 days ago) in Scorpius

297.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Sat, 01 Nov 2025 (9 days ago) in Scorpius

298.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Sun, 02 Nov 2025 at 03:01 EST (8 days ago) in Aquarius

299.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 3°39'. Sun, 02 Nov 2025 at 05:56 EST (8 days ago) in Aquarius

300.

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, 03 Nov 2025 at 06:21 EST (7 days ago) in Pisces