Venus and Mars will make a close approach, passing within 0°28' of each other.
From Ashburn, the pair will be difficult to observe as they will appear no higher than 13° above the horizon. They will become visible around 20:54 (EDT) as the dusk sky fades, 13° above your western horizon. They will then sink towards the horizon, setting 1 hour and 36 minutes after the Sun at 22:10.
Venus will be at mag -3.9; and Mars will be at mag 1.8. Both objects will lie in the constellation Leo.
They will be close enough to fit within the field of view of a telescope, but will also be visible to the naked eye or through a pair of binoculars.
A graph of the angular separation between Venus and Mars around the time of closest approach is available here.
The positions of the pair at the moment of closest approach will be as follows:
|Object||Right Ascension||Declination||Constellation||Magnitude||Angular Size|
The coordinates above are given in J2000.0. The pair will be at an angular separation of 28° from the Sun, which is in Gemini at this time of year.
|The sky on 13 July 2021|
3 days old
All times shown in EDT.
The circumstances of this event were computed using the DE405 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.
|12 Jul 2021||– Mars at aphelion|
|20 Sep 2021||– Mars at apogee|
|08 Oct 2021||– Mars at solar conjunction|
|21 Jun 2022||– Mars at perihelion|