© NASA/Ricardo Nunes

Venus at aphelion

Dominic Ford, Editor
From the Inner Planets feed

Objects: Venus
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The sky at

Venus's 225-day orbit around the Sun will carry it to its furthest point to the Sun – its aphelion – at a distance of 0.73 AU.

In practice, however, Venus's orbit is very close to circular; its distance from the Sun varies by only about 1.5% between perihelion and aphelion. This makes Venus's orbit more perfectly circular than that of any of the Solar System's other planets. As a result, its surface receives almost exactly the same amount of energy from the Sun at perihelion (closest approach to the Sun) and aphelion (furthest recess from the Sun).

The exact position of Venus at the moment it passes aphelion will be:

Object Right Ascension Declination Constellation Angular Size
Venus 20h37m30s -19°44' Capricornus 9.8"
Sun 20h22m -19°25' Capricornus 32'29"

The coordinates above are given in J2000.0.

From Seattle, Venus will not be readily observable since it will be very close to the Sun, at a separation of only 3° from it.

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The sky on 23 January 2018
Twilight ends
Twilight begins

6-day old moon
Waxing Crescent


6 days old

Rise Culm. Set
Mercury 07:03 11:15 15:27
Venus 08:05 12:36 17:08
Moon 11:08 17:29 23:50
Mars 03:07 07:42 12:17
Jupiter 02:23 07:10 11:57
Saturn 05:58 10:14 14:30
All times shown in PST.


Never attempt to point a pair of binoculars or a telescope at an object close to the Sun. Doing so may result in immediate and permanent blindness.


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

23 Jan 2018  –  Venus at aphelion
15 May 2018  –  Venus at perihelion
17 May 2018  –  Venus reaches highest point in evening sky
14 Aug 2018  –  Venus at dichotomy

Image credit

© NASA/Ricardo Nunes






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