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Conjunction of Mars and Ceres

Dominic Ford, Editor
From the Conjunctions feed

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The sky at

Mars and 1 Ceres will share the same right ascension, with Mars passing 7°56' to the north of 1 Ceres.

From Ashburn, the pair will be visible in the dawn sky, rising at 02:26 (EDT) – 3 hours and 22 minutes before the Sun – and reaching an altitude of 25° above the south-eastern horizon before fading from view as dawn breaks around 05:15.

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Mars will be at mag -0.0, and 1 Ceres at mag 9.0, both in the constellation Aquarius.

A graph of the angular separation between Mars and 1 Ceres around the time of closest approach is available here.

The positions of the two objects at the moment of conjunction will be as follows:

Object Right Ascension Declination Constellation Magnitude Angular Size
Mars 22h58m20s -09°08' Aquarius -0.0 9"2
1 Ceres 22h58m20s -17°04' Aquarius 9.0 0"0

The coordinates above are given in J2000.0. The pair will be at an angular separation of 88° from the Sun, which is in Taurus at this time of year.

The sky on 31 May 2020
Twilight ends
Twilight begins

9-day old moon
Waxing Gibbous


9 days old

Rise Culm. Set
Mercury 07:14 14:48 22:22
Venus 06:00 13:27 20:55
Moon 14:49 21:01 02:41
Mars 01:58 07:30 13:03
Jupiter 23:33 04:28 09:18
Saturn 23:49 04:48 09:42
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.

Related news

13 Jan 2020  –  1 Ceres at solar conjunction
17 Aug 2020  –  1 Ceres at aphelion
28 Aug 2020  –  1 Ceres at opposition
07 Apr 2021  –  1 Ceres at solar conjunction

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