June 2031 lunar eclipse

June 2031 lunar eclipse
Penumbral eclipse
	The Moon's hourly motion shown right to left
Date	June 5, 2031
Gamma	1.4732
Magnitude	−0.8185
Saros cycle	150 (2 of 71)
Penumbral	95 minutes, 33 seconds
P1
Contacts (UTC)
P1	10:56:16
Greatest	11:45:17
P4	12:31:49
	← May 2031 October 2031 →

A penumbral lunar eclipse will occur at the Moon’s ascending node of orbit on Thursday, June 5, 2031,^[1] with an umbral magnitude of −0.8185. A lunar eclipse occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened. A penumbral lunar eclipse occurs when part or all of the Moon's near side passes into the Earth's penumbra. Unlike a solar eclipse, which can only be viewed from a relatively small area of the world, a lunar eclipse may be viewed from anywhere on the night side of Earth. Occurring only about 20.5 hours before perigee (on June 6, 2031, at 8:10 UTC), the Moon's apparent diameter will be larger.^[2]

Visibility

The eclipse will be completely visible over the Pacific Ocean, Australia, and Antarctica, seen rising over east Asia and setting over western North and South America.^[3]

Eclipse details

Shown below is a table displaying details about this particular solar eclipse. It describes various parameters pertaining to this eclipse.^[4]

June 5, 2031 Lunar Eclipse Parameters
Parameter	Value
Penumbral Magnitude	0.13062
Umbral Magnitude	−0.81845
Gamma	1.47322
Sun Right Ascension	04h53m21.6s
Sun Declination	+22°33'01.5"
Sun Semi-Diameter	15'45.9"
Sun Equatorial Horizontal Parallax	08.7"
Moon Right Ascension	16h53m29.4s
Moon Declination	-21°03'14.0"
Moon Semi-Diameter	16'36.6"
Moon Equatorial Horizontal Parallax	1°00'57.7"
ΔT	74.6 s

Eclipse season

This eclipse is part of an eclipse season, a period, roughly every six months, when eclipses occur. Only two (or occasionally three) eclipse seasons occur each year, and each season lasts about 35 days and repeats just short of six months (173 days) later; thus two full eclipse seasons always occur each year. Either two or three eclipses happen each eclipse season. In the sequence below, each eclipse is separated by a fortnight. The first and last eclipse in this sequence is separated by one synodic month.

Eclipse season of May–June 2031
May 7 Ascending node (full moon)	May 21 Descending node (new moon)	June 5 Ascending node (full moon)

Penumbral lunar eclipse Lunar Saros 112	Annular solar eclipse Solar Saros 138	Penumbral lunar eclipse Lunar Saros 150

Related eclipses

Lunar eclipses of 2027–2031

Lunar eclipse series sets from 2027–2031
Ascending node				Descending node
Saros	Date Viewing	Type Chart	Gamma	Saros	Date Viewing	Type Chart	Gamma
110	2027 Jul 18	Penumbral	-1.57589	115	2028 Jan 12	Partial	0.98177
120	2028 Jul 06	Partial	-0.79040	125	2028 Dec 31	Total	0.32583
130	2029 Jun 26	Total	0.01240	135	2029 Dec 20	Total	-0.38110
140	2030 Jun 15	Partial	0.75346	145	2030 Dec 09	Penumbral	-1.07315
150	2031 Jun 05	Penumbral	1.47322

Last set	2027 Aug 17			Last set	2027 Feb 20

Next set	2031 May 07			Next set	2031 Oct 30