The Moon in conjunction with Venus and Jupiter, with the Very Large Telescope in the foreground. Image © Y. Beletsky, ESO, 2009.

A parade of 5 planets in the evening sky

Dominic Ford, Editor
From the Inner Planets feed

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The sky at

All five of the planets that are visible to the unaided eye planets will be above the horizon at the same time, shortly after sunset. However, Mars and Mercury will be very tricky to see since they will set very shortly after the Sun. To see them you will need to have an exceptionally flat western horizon, for example by observing over an ocean horizon at the coast. At sunset, they will have altitudes of 7.8° and 7.3° respectively.

It is relatively rare for all of the planets to be aligned in one hemisphere so as to all be above the horizon at the same moment. Such an alignment between the five planets which are visible to the unaided eye happens roughly once every 6 years, while an alignment that also includes Uranus and Neptune, which require binoculars or a telescope to be seen, happens around once every 70 years.

However, since the planets in the outer solar system – especially Saturn, Uranus and Neptune – move quite slowly through the constellations, such alignments can occur multiple times in quick succession, or not at all for over 100 years.

The positions of all the planets at sunset will be as follows:

Planet Altitude
at sunset
Direction
at sunset
Planet
sets at
Mag Constellation
Mars 7.8° south-west 18:38 1.5 Libra
Mercury 7.3° south-west 18:38 -0.2 Libra
Saturn 15.7° south-west 19:35 0.4 Ophiuchus
Venus 15.6° south-west 19:48 -4.1 Ophiuchus
Jupiter 26.9° south-east 00:53 -2.5 Capricornus

Celestial coordinates

The positions of each of the planets will be:

Object Right Ascension Declination Constellation Magnitude Angular Size
Venus 16h33m 23°54'S Ophiuchus -4.1 15"5
Jupiter 21h34m 15°36'S Capricornus -2.5 41"5
Mercury 15h41m 22°35'S Libra -0.2 6"6
Saturn 16h33m 20°27'S Ophiuchus 0.4 15"4
Mars 15h10m 18°06'S Libra 1.5 3"9

The coordinates above are given in J2000.0.

Next/previous occurrences

« Previous Objects simultaneously visible Next »
21 Dec 2022 All seven planets 07 Jan 2123
27 Nov 2098 All five planets that are
visible to the unaided eye
26 Mar 2112

The sky on 22 Nov 2024

The sky on 22 November 2024
Sunrise
06:47
Sunset
16:28
Twilight ends
18:05
Twilight begins
05:10

21-day old moon
Waning Gibbous

53%

21 days old

Planets
Rise Culm. Set
Mercury 08:40 13:06 17:32
Venus 10:13 14:39 19:06
Moon 22:16 05:32 12:36
Mars 20:52 04:15 11:38
Jupiter 17:26 00:53 08:20
Saturn 13:09 18:41 00:13
All times shown in EST.

Source

The circumstances of this event were computed using the DE430 planetary ephemeris published by the Jet Propulsion Laboratory (JPL).

This event was automatically generated by searching the ephemeris for planetary alignments which are of interest to amateur astronomers, and the text above was generated based on an estimate of your location.

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07 Dec 2104  –  Mercury at greatest elongation west
19 Feb 2105  –  Mercury at highest altitude in evening sky

Image credit

The Moon in conjunction with Venus and Jupiter, with the Very Large Telescope in the foreground. Image © Y. Beletsky, ESO, 2009.

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