imported>Weatherman4064 at 03:56, 25 March 2025

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{{short description|Total}}
{{Infobox lunar eclipse
| type = total
| image = Lunar eclipse chart close-2029Dec20.png
| caption = The Moon's hourly motion shown right to left
| date = December 20, 2029
| gamma = −0.3811
| magnitude = 1.1190
| saros_ser = 135
| saros_no = 24 of 71
| totality = 53 minutes, 44 seconds
| partiality = 213 minutes, 18 seconds
| penumbral = 358 minutes, 0 seconds
| p1 = 19:44:12
| u1 = 20:56:33
| u2 = 22:16:21
| greatest = 22:43:12
| u3 = 23:10:03
| u4 = 0:29:51
| p4 = 1:42:12
| previous = June 2029
| next = June 2030
}}
A total [[lunar eclipse]] will occur at the Moon’s [[Lunar node|descending node]] of orbit on Thursday, December 20, 2029,<ref>{{cite web|title=December 20–21, 2029 Total Lunar Eclipse (Blood Moon)|url=https://www.timeanddate.com/eclipse/lunar/2029-december-20|publisher=timeanddate|access-date=20 November 2024}}</ref> with an umbral [[Magnitude of eclipse|magnitude]] of 1.1190. A lunar eclipse occurs when the [[Moon]] moves into the [[Earth's shadow]], causing the Moon to be darkened. A total lunar eclipse occurs when the Moon's near side entirely passes into the Earth's umbral shadow. 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. A total lunar eclipse can last up to nearly two hours, while a total solar eclipse lasts only a few minutes at any given place, because the Moon's [[Umbra, penumbra and antumbra|shadow]] is smaller. Occurring about 4.6 days before [[Apsis|apogee]] (on Sunday, December 16, 2029, at 9:00 UTC), the Moon's apparent diameter will be smaller.<ref>{{cite web|title=Moon Distances for London, United Kingdom, England|url=https://www.timeanddate.com/astronomy/moon/distance.html?year=2029&n=136|publisher=timeanddate|access-date=20 November 2024}}</ref>

During the eclipse, [[NGC 2129]] will be occulted by the [[Moon]] over the [[South America]], the [[Atlantic Ocean]] and [[Africa]]. [[Deep-sky object]]s are rarely occulted during a total eclipse from any given spot on Earth.<ref name="Mus2002">{{cite book |date=2002 |first=Jan |last=Meeus |chapter=Occultations of deep-sky objects during a total lunar eclipse |pages=157-162 |title=More Mathematical Astronomy Morsels |isbn=0943396743 |url=https://falakmu.id/khgt/dokumen/More%20mathematical%20astronomy%20morsels%20(Jean%20Meeus)%20(Z-Library).pdf}}</ref>{{rp|161}}

== Visibility ==
The eclipse will be completely visible over northern [[North America]], [[Africa]], [[Europe]], and [[north Asia|north]], [[west Asia|west]], and [[central Asia]], seen rising over North and [[South America]] and setting over [[east Asia]] and [[Australia]].<ref>{{cite web|title=Total Lunar Eclipse of 2029 Dec 20|url=https://eclipse.gsfc.nasa.gov/LEplot/LEplot2001/LE2029Dec20T.pdf|publisher=NASA|access-date=20 November 2024}}</ref>

{| class=wikitable
|[[File:Lunar eclipse from moon-2029Dec20.png|300px]] [[File:Lunar eclipse chart close-2029Dec20.png|300px]]
|}

== Eclipse details ==
Shown below is a table displaying details about this particular solar eclipse. It describes various parameters pertaining to this eclipse.<ref>{{cite web|title=Total Lunar Eclipse of 2029 Dec 20|url=https://eclipsewise.com/lunar/LEprime/2001-2100/LE2029Dec20Tprime.html|publisher=EclipseWise.com|access-date=20 November 2024}}</ref>

{|class="wikitable" align="{{{align|left}}}" style="margin:{{#ifeq:{{{align}}}|right|0 0 0.5em 1em|0 1em 0.5em 0}}"
|+December 20, 2029 Lunar Eclipse Parameters
! Parameter
! Value
|-
| Penumbral Magnitude
| 2.20231
|-
| Umbral Magnitude
| 1.11895
|-
| Gamma
| −0.38110
|-
| Sun Right Ascension
| 17h57m07.6s
|-
| Sun Declination
| -23°26'00.2"
|-
| Sun Semi-Diameter
| 16'15.5"
|-
| Sun Equatorial Horizontal Parallax
| 08.9"
|-
| Moon Right Ascension
| 05h56m59.0s
|-
| Moon Declination
| +23°05'06.7"
|-
| Moon Semi-Diameter
| 15'00.4"
|-
| Moon Equatorial Horizontal Parallax
| 0°55'04.6"
|-
| ΔT
| 73.9 s
|}
{{clear}}

== Eclipse season ==
{{See also|Eclipse cycle}}
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]].

{| class="wikitable"
|+ Eclipse season of December 2029
! [[Solar eclipse of December 5, 2029|December 5]] Ascending node (new moon) !! [[December 2029 lunar eclipse|December 20]] Descending node (full moon) 
|-
| [[File:SE2029Dec05P.png|200px]] || [[File:Lunar eclipse chart close-2029Dec20.png|200px]]
|- align=center
| [[Total eclipse#Types|Partial solar eclipse]] Solar Saros 123 || [[Lunar eclipse#Types of lunar eclipse|Total lunar eclipse]] Lunar Saros 135
|}

== Related eclipses ==
=== Eclipses in 2029 ===
* [[Solar eclipse of January 14, 2029|A partial solar eclipse on January 14]].
* [[Solar eclipse of June 12, 2029|A partial solar eclipse on June 12]].
* [[June 2029 lunar eclipse|A total lunar eclipse on June 26]].
* [[Solar eclipse of July 11, 2029|A partial solar eclipse on July 11]].
* [[Solar eclipse of December 5, 2029|A partial solar eclipse on December 5]].
* '''A total lunar eclipse on December 20.'''

=== Metonic ===
* Preceded by: [[March 2026 lunar eclipse|Lunar eclipse of March 3, 2026]]
* Followed by: [[October 2033 lunar eclipse|Lunar eclipse of October 8, 2033]]

=== Tzolkinex ===
* Preceded by: [[November 2022 lunar eclipse|Lunar eclipse of November 8, 2022]]
* Followed by: [[January 2037 lunar eclipse|Lunar eclipse of January 31, 2037]]

=== Half-Saros ===
* Preceded by: [[Solar eclipse of December 14, 2020]]
* Followed by: [[Solar eclipse of December 26, 2038]]

=== Tritos ===
* Preceded by: [[January 2019 lunar eclipse|Lunar eclipse of January 21, 2019]]
* Followed by: [[November 2040 lunar eclipse|Lunar eclipse of November 18, 2040]]

=== Lunar Saros 135 ===
* Preceded by: [[December 2011 lunar eclipse|Lunar eclipse of December 10, 2011]]
* Followed by: [[January 2048 lunar eclipse|Lunar eclipse of January 1, 2048]]

=== Inex ===
* Preceded by: [[January 2001 lunar eclipse|Lunar eclipse of January 9, 2001]]
* Followed by: [[November 2058 lunar eclipse|Lunar eclipse of November 30, 2058]]

=== Triad ===
* Preceded by: [[February 1943 lunar eclipse|Lunar eclipse of February 20, 1943]]
* Followed by: [[October 2116 lunar eclipse|Lunar eclipse of October 21, 2116]]

=== Lunar eclipses of 2027–2031 ===
{{Lunar eclipse set 2027-2031}}

=== Metonic series ===
{{Metonic lunar eclipse 1991-2048}}

=== Saros 135 ===
{{Lunar Saros series 135}}

=== Tritos series ===
{{Lunar Tritos series February 2008}}

=== Inex series ===
{{Lunar Inex series January 2001}}

=== Half-Saros cycle ===
A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a [[Saros_(astronomy)#Relationship_between_lunar_and_solar_saros_.28sar.29|half saros]]).<ref>Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, ''The half-saros''</ref> This lunar eclipse is related to two total solar eclipses of [[Solar Saros 142]].
{| class=wikitable
![[Solar eclipse of December 14, 2020|December 14, 2020]]
![[Solar eclipse of December 26, 2038|December 26, 2038]]
|-
|[[File:SE2020Dec14T.png|240px]]
|[[File:SE2038Dec26T.png|240px]]
|}

==See also==
*[[List of lunar eclipses]] and [[List of 21st-century lunar eclipses]]

==Notes==
{{reflist}}

==External links==
*{{LEplot2001 link|2029|Dec|20|T}}

{{Lunar eclipses}}

{{DEFAULTSORT:Lunar eclipse 2029-12}}
[[Category:21st-century lunar eclipses|2029-12]]
[[Category:Future lunar eclipses|2029-12]]
[[Category:2029 in science]]

December 2029 lunar eclipse - Revision history

imported>Weatherman4064 at 03:56, 25 March 2025