December 2038 lunar eclipse
| Penumbral eclipse | |||||||||
 The Moon's hourly motion shown right to left | |||||||||
| Date | December 11, 2038 | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Gamma | −1.1448 | ||||||||
| Magnitude | −0.2876 | ||||||||
| Saros cycle | 116 (59 of 73) | ||||||||
| Penumbral | 258 minutes, 27 seconds | ||||||||
| |||||||||
A penumbral lunar eclipse will occur at the Moon’s ascending node of orbit on Saturday, December 11, 2038,[1] with an umbral magnitude of −0.2876. 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 about 3.3 days after apogee (on December 8, 2038, at 8:35 UTC), the Moon's apparent diameter will be smaller.[2]
This eclipse will be the last of four penumbral lunar eclipses in 2038, with the others occurring on January 21, June 17, and July 16.
Visibility
[edit]The eclipse will be completely visible over northeast Africa, Europe, Asia, and Australia, seen rising over west and central Africa and setting over the central Pacific Ocean.[3]
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Eclipse details
[edit]Shown below is a table displaying details about this particular solar eclipse. It describes various parameters pertaining to this eclipse.[4]
| Parameter | Value |
|---|---|
| Penumbral Magnitude | 0.80623 |
| Umbral Magnitude | −0.28760 |
| Gamma | −1.14490 |
| Sun Right Ascension | 17h15m29.9s |
| Sun Declination | -23°02'24.2" |
| Sun Semi-Diameter | 16'14.6" |
| Sun Equatorial Horizontal Parallax | 08.9" |
| Moon Right Ascension | 05h16m16.9s |
| Moon Declination | +22°00'57.8" |
| Moon Semi-Diameter | 14'51.0" |
| Moon Equatorial Horizontal Parallax | 0°54'29.8" |
| ΔT | 78.5 s |
Eclipse season
[edit]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.
| December 11 Ascending node (full moon) |
December 26 Descending node (new moon) |
|---|---|
|
|
| Penumbral lunar eclipse Lunar Saros 116 |
Total solar eclipse Solar Saros 142 |
Related eclipses
[edit]Eclipses in 2038
[edit]- An annular solar eclipse on January 5.
- A penumbral lunar eclipse on January 21.
- A penumbral lunar eclipse on June 17.
- An annular solar eclipse on July 2.
- A penumbral lunar eclipse on July 16.
- A penumbral lunar eclipse on December 11.
- A total solar eclipse on December 26.
Metonic
[edit]- Preceded by: Lunar eclipse of February 22, 2035
- Followed by: Lunar eclipse of September 29, 2042
Tzolkinex
[edit]- Preceded by: Lunar eclipse of October 30, 2031
- Followed by: Lunar eclipse of January 22, 2046
Half-Saros
[edit]- Preceded by: Solar eclipse of December 5, 2029
- Followed by: Solar eclipse of December 16, 2047
Tritos
[edit]- Preceded by: Lunar eclipse of January 12, 2028
- Followed by: Lunar eclipse of November 9, 2049
Lunar Saros 116
[edit]- Preceded by: Lunar eclipse of November 30, 2020
- Followed by: Lunar eclipse of December 22, 2056
Inex
[edit]- Preceded by: Lunar eclipse of December 31, 2009
- Followed by: Lunar eclipse of November 21, 2067
Triad
[edit]- Preceded by: Lunar eclipse of February 11, 1952
- Followed by: Lunar eclipse of October 12, 2125
Lunar eclipses of 2038–2042
[edit]| Descending node | Ascending node | |||||
|---|---|---|---|---|---|---|
| Saros | Date Viewing |
Type Chart |
Saros | Date Viewing |
Type Chart | |
| 111 | 2038 Jun 17
|
Penumbral
|
116 | 2038 Dec 11
|
Penumbral
| |
| 121 | 2039 Jun 06
|
Partial
|
126 | 2039 Nov 30
|
Partial
| |
| 131 | 2040 May 26
|
Total
|
136 | 2040 Nov 18
|
Total
| |
| 141 | 2041 May 16
|
Partial
|
146 | 2041 Nov 08
|
Partial
| |
| 156 | 2042 Oct 28
|
Penumbral
| ||||
| Last set | 2038 Jul 16 | Last set | 2038 Jan 21 | |||
| Next set | 2042 Apr 05 | Next set | 2042 Sep 29 | |||
Half-Saros cycle
[edit]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 total solar eclipses of Solar Saros 123.
| December 5, 2029 | December 16, 2047 |
|---|---|
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See also
[edit]Notes
[edit]- ^ "December 11–12, 2038 Penumbral Lunar Eclipse". timeanddate. Retrieved 29 November 2024.
- ^ "Moon Distances for London, United Kingdom, England". timeanddate. Retrieved 29 November 2024.
- ^ "Penumbral Lunar Eclipse of 2038 Dec 11" (PDF). NASA. Retrieved 29 November 2024.
- ^ "Penumbral Lunar Eclipse of 2038 Dec 11". EclipseWise.com. Retrieved 29 November 2024.
- ^ Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros
External links
[edit]- 2038 Dec 11 chart: Eclipse Predictions by Fred Espenak, NASA/GSFC
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