Venus at greatest brightness

Dominic Ford, Editor
From the Inner Planets feed


Objects: Venus

Venus will reach its greatest brightness in its 2261–2262 morning apparition. It will be shining brightly at mag -4.7.

From South El Monte , this apparition will be well placed and prominent, reaching a peak altitude of 37° above the horizon at sunrise on 18 Dec 2261.

2261–2262 morning apparition of Venus

28 Oct 2261 – Venus at inferior solar conjunction
01 Dec 2261 – Venus at greatest brightness
17 Dec 2261 – Venus at highest altitude in morning sky
07 Jan 2262 – Venus at dichotomy
07 Jan 2262 – Venus at greatest elongation west

A graph of the brightness of Venus is available here.

Apparitions of Venus

15 Jan 2260 – Evening apparition
04 Jun 2260 – Morning apparition
18 Aug 2261 – Evening apparition
07 Jan 2262 – Morning apparition
27 Mar 2263 – Evening apparition
16 Aug 2263 – Morning apparition
31 Oct 2264 – Evening apparition

Observing Venus

Venus's orbit lies closer to the Sun than the Earth's, meaning that it always appears close to the Sun and is lost in the Sun's glare much of the time.

It is observable for a few months each time it reaches greatest separation from the Sun – moments referred to as greatest elongation. These apparitions repeat roughly once every 1.6 years.

On these occasions, Venus is so bright and conspicuous that it becomes the third brightest object in the sky after the Sun and Moon. It is often called the morning star or the evening star.

Venus's brightness

Venus's brightness depends on two factors: its closeness to the Earth, and its phase. Its phase varies depending on its position relative to the Earth. When it passes between the Earth and Sun, for example, the side that is turned towards the Earth is entirely unilluminated, like a new moon.

Conversely, when it lies opposite to the Earth in its orbit, passing almost behind the Sun, it appears fully illuminated, like a full moon. However, at this time it is also at its most distant from the Earth, so it is actually fainter than at other times.

Venus reaches its brightest when it is still a crescent – with less than half of its disk illuminated. This is because it is much closer to the Earth during its crescent phases than at other times.

As a result, during evening apparitions, Venus reaches maximum brightness a few days after it is at greatest separation from the Sun, which always coincides with it showing half-phase (dichotomy).

Conversely, during morning apparitions, Venus reaches maximum brightness a few days before it is at greatest separation from the Sun.

Venus's position

The coordinates of Venus when it reaches its greatest brightness will be:

Object Right Ascension Declination Constellation Angular Size
Venus 13h42m50s 9°17'S Virgo 41.1"
Sun 16h18m 21°21'S Scorpius 32'25"

The coordinates above are given in J2000.0.

The sky on 22 May 2025

The sky on 22 May 2025
Sunrise
05:43
Sunset
19:51
Twilight ends
21:31
Twilight begins
04:03


Waning Crescent

25%

25 days old

Planets
Rise Culm. Set
Mercury 05:18 12:11 19:04
Venus 03:35 09:51 16:07
Moon 02:43 08:46 14:59
Mars 11:11 18:03 00:56
Jupiter 07:19 14:30 21:40
Saturn 02:54 08:51 14:48
All times shown in PDT.

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.

Related news

18 Aug 2261  –  Venus at greatest elongation east
18 Dec 2261  –  Venus at highest altitude in morning sky
07 Jan 2262  –  Venus at greatest elongation west
27 Mar 2263  –  Venus at greatest elongation east

Image credit

© NASA/Ricardo Nunes

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