401.

Jupiter at solar conjunction Jupiter 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, 26 Oct 2017 at 13:58 EDT (2,438 days ago) in Virgo

402.

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. Tue, 24 Oct 2017 at 22:25 EDT (2,440 days ago) in Sagittarius

403.

Jupiter at apogee Jupiter reaches its furthest point from the Earth, as it passes around the far side of the Sun. Tue, 24 Oct 2017 at 18:19 EDT (2,440 days ago) in Virgo

404.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Tue, 24 Oct 2017 at 08:13 EDT (2,440 days ago) in Ophiuchus

405.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 3°15'. Tue, 24 Oct 2017 at 07:36 EDT (2,440 days ago) in Ophiuchus

406.

Leonis Minorid meteor shower 2017 The Leonis Minorid meteor shower reaches its peak. Tue, 24 Oct 2017 (2,440 days ago) in Leo Minor

407.

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. Sun, 22 Oct 2017 at 15:24 EDT (2,442 days ago) in Scorpius

408.

Asteroid 2 Pallas at opposition Asteroid 2 Pallas makes closest approach to the Earth. Sun, 22 Oct 2017 at 15:10 EDT (2,442 days ago) in Eridanus

409.

Comet 96P/Machholz passes perihelion Comet 96P/Machholz makes its closest approach to the Sun. Sat, 21 Oct 2017 (2,443 days ago) in Virgo

410.

Orionid meteor shower 2017 The Orionid meteor shower reaches its peak. Sat, 21 Oct 2017 (2,443 days ago) in Orion

411.

New Moon The Moon disappears into the Sun's glare for a few days. Thu, 19 Oct 2017 at 15:13 EDT (2,445 days ago) in Virgo

412.

Uranus at opposition Uranus lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Thu, 19 Oct 2017 at 13:26 EDT (2,445 days ago) in Pisces

413.

ε-Geminid meteor shower 2017 The ε-Geminid meteor shower reaches its peak. Wed, 18 Oct 2017 (2,446 days ago) in Gemini

414.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 1°58'. Tue, 17 Oct 2017 at 20:21 EDT (2,447 days ago) in Virgo

415.

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. Tue, 17 Oct 2017 at 12:07 EDT (2,447 days ago) in Bootes

416.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Tue, 17 Oct 2017 at 07:12 EDT (2,447 days ago) in Virgo

417.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 1°47'. Tue, 17 Oct 2017 at 06:05 EDT (2,447 days ago) in Virgo

418.

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. Mon, 16 Oct 2017 at 13:33 EDT (2,448 days ago) in Cetus

419.

The Triangulum Galaxy is well placed The Triangulum Galaxy M33 (mag 5.8) culminates at around midnight local time. Sun, 15 Oct 2017 (2,449 days ago) in Triangulum

420.

Lunar occultation of Regulus The Moon will pass in front of Regulus (Alpha Leonis), creating a lunar occultation visible from countries and territories including the Contiguous United States, Mexico, Canada and Cuba amongst others. Sun, 15 Oct 2017 at 07:25 EDT (2,449 days ago) in Leo