© NASA/Hubble Space Telescope

Mars at apogee

Dominic Ford, Editor
From the Outer Planets feed

Objects: Mars
Please wait
Loading 0/4
Click and drag to rotate
Mouse wheel to zoom in/out
Touch with mouse to dismiss
The sky at

Mars orbit around the Sun will carry it to its furthest point from the Earth – its apogee – moving to a distance of 2.64 AU from us. Since the size and brightness of Mars in the night sky both decrease when it is far away from us, this marks the moment when it will appear smallest, measuring a mere 3.6 arcsec in diameter. However, in practice, it will be rather too close to the Sun for observation, at an angular separation of only 5.867857005766336° from it, as it will be close to solar conjunction.

A chart of the path of Mars across the sky in 2021 can be found here, and a chart of its rising and setting times here.

The exact position of Mars at the moment it passes apogee will be:

Object Right Ascension Declination Constellation Magnitude Angular Size
Mars 12h13m10s -00°34' Virgo 1.7 3.6"

The coordinates above are given in J2000.0.

The sky on 20 September 2021
Sunrise
07:20
Sunset
19:34
Twilight ends
21:01
Twilight begins
05:53

13-day old moon
Waxing Gibbous

99%

13 days old

Planets
Rise Culm. Set
Mercury 09:30 14:56 20:21
Venus 10:57 16:08 21:19
Moon 19:56 01:03 06:38
Mars 07:48 13:49 19:50
Jupiter 18:01 23:17 04:38
Saturn 17:10 22:12 03:17
All times shown in MDT.

Warning

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.

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

20 Sep 2021  –  Mars at apogee
07 Oct 2021  –  Mars at solar conjunction
21 Jun 2022  –  Mars at perihelion
30 Nov 2022  –  Mars at perigee

Image credit

© NASA/Hubble Space Telescope

Share

Follow

Washington

Latitude:
Longitude:
Timezone:

37.13°N
113.51°W
MDT

Color scheme