281.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 3°41'. Sun, 19 Oct 2025 at 17:39 EDT (265 days ago) in Virgo

282.

Comet C/2025 R2 (SWAN) passes perigee Comet C/2025 R2 (SWAN) makes its closest approach to the Earth. Mon, 20 Oct 2025 (264 days ago) in Sagittarius

283.

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 EDT (263 days ago) in Libra

284.

Comet C/2025 A6 (Lemmon) passes perigee Comet C/2025 A6 (Lemmon) makes its closest approach to the Earth. Tue, 21 Oct 2025 (263 days ago) in Bootes

285.

Orionid meteor shower 2025 The Orionid meteor shower reaches its peak. Tue, 21 Oct 2025 (263 days ago) in Orion

286.

New Moon The Moon disappears into the Sun's glare for a few days. Tue, 21 Oct 2025 at 08:26 EDT (263 days ago) in Virgo

287.

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 EDT (261 days ago) in Libra

288.

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 EDT (261 days ago) in Libra

289.

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 EDT (261 days ago) in Libra

290.

The Moon at perihelion The Moon passes its closest point to the Sun, a monthly occurrence around the time of new moon. Fri, 24 Oct 2025 at 07:14 EDT (260 days ago) in Scorpius

291.

Leonis Minorid meteor shower 2025 The Leonis Minorid meteor shower reaches its peak. Fri, 24 Oct 2025 (260 days ago) in Leo Minor

292.

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 EDT (260 days ago) in Scorpius

293.

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 EDT (259 days ago) in Bootes

294.

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 (258 days ago) in Perseus

295.

Comet 3I/ATLAS passes perihelion Comet 3I/ATLAS makes its closest approach to the Sun. Wed, 29 Oct 2025 (255 days ago) in Virgo

296.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and remaining visible until around midnight. Wed, 29 Oct 2025 at 12:21 EDT (255 days ago) in Capricornus

297.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Wed, 29 Oct 2025 at 16:28 EDT (255 days ago) in Scorpius

298.

Comet C/2025 A6 (Lemmon) reaches peak brightness Comet C/2025 A6 (Lemmon) is forecast to reach the brightest point in its 2025 apparition. Sat, 01 Nov 2025 (252 days ago) in Ophiuchus

299.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Sat, 01 Nov 2025 (252 days ago) in Scorpius

300.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Sun, 02 Nov 2025 at 03:01 EDT (251 days ago) in Aquarius