June 2012 lunar eclipse

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Template:Short description Script error: No such module "Unsubst". Template:Infobox lunar eclipse A partial lunar eclipse occurred at the Moon’s ascending node of orbit on Sunday, June 4, 2012,[1] with an umbral magnitude of 0.3718. A lunar eclipse occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened. A partial lunar eclipse occurs when one part of the Moon is in the Earth's umbra, while the other part is in 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 about 1.1 days before perigee (on June 3, 2012, at 9:15 UTC), the Moon's apparent diameter was larger.[2]

Visibility

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

File:Lunar eclipse from moon-2012Jun04.png File:Lunar eclipse chart close-2012Jun04.png
Hourly motion shown right to left 		File:Lunar eclipse chart-2012Jun04.png
The Moon's hourly motion across the Earth's shadow in the constellation of Ophiuchus (north of Scorpius).
File:Visibility Lunar Eclipse 2012-06-04.png
Visibility map

Gallery

Eclipse details

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

June 4, 2012 Lunar Eclipse Parameters
Parameter Value
Penumbral Magnitude 1.31975
Umbral Magnitude 0.37184
Gamma 0.82480
Sun Right Ascension 04h51m33.3s
Sun Declination +22°30'16.0"
Sun Semi-Diameter 15'45.9"
Sun Equatorial Horizontal Parallax 08.7"
Moon Right Ascension 16h51m37.6s
Moon Declination -21°39'56.2"
Moon Semi-Diameter 16'37.9"
Moon Equatorial Horizontal Parallax 1°01'02.3"
ΔT 66.8 s

Eclipse season

Script error: No such module "Labelled list hatnote". 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.

Eclipse season of May–June 2012
May 20
Descending node (new moon)
 June 4
Ascending node (full moon)
File:SE2012May20A.png File:Lunar eclipse chart close-2012Jun04.png
Annular solar eclipse
Solar Saros 128		 Partial lunar eclipse
Lunar Saros 140

Related eclipses

Eclipses in 2012

Metonic

Tzolkinex

Half-Saros

Tritos

Lunar Saros 140

Inex

Triad

Lunar eclipses of 2009–2013

Template:Lunar eclipse set 2009-2013

Saros 140

Template:Lunar Saros series 140

Tritos series

Template:Lunar Tritos series July 2001

Inex series

Template:Lunar Inex series June 2012

Half-Saros cycle

A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros).[5] This lunar eclipse is related to two annular solar eclipses of Solar Saros 147.

May 31, 2003 June 10, 2021
File:SE2003May31A.png File:SE2021Jun10A.png

See also

References

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  1. ↑ Script error: No such module "citation/CS1".
  2. ↑ Script error: No such module "citation/CS1".
  3. ↑ Script error: No such module "citation/CS1".
  4. ↑ Script error: No such module "citation/CS1".
  5. ↑ Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros

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External links

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Template:Lunar eclipses

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