June 2038 lunar eclipse
| Penumbral eclipse | |||||||||
 The Moon's hourly motion shown right to left | |||||||||
| Date | June 17, 2038 | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Gamma | 1.3082 | ||||||||
| Magnitude | −0.5259 | ||||||||
| Saros cycle | 111 (68 of 71) | ||||||||
| Penumbral | 176 minutes, 24 seconds | ||||||||
| |||||||||
A penumbral lunar eclipse will occur at the Moon’s descending node of orbit on Thursday, June 17, 2038,[1] with an umbral magnitude of −0.5259. 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 2.7 days after perigee (on June 14, 2038, at 11:30 UTC), the Moon's apparent diameter will be larger.[2]
This eclipse will be the second of four penumbral lunar eclipses in 2038, with the others occurring on January 21, July 16, and December 11.
Visibility
[edit]The eclipse will be completely visible over eastern North America, South America, west and southern Africa, and western Europe, seen rising over western North America and the eastern Pacific Ocean and setting over northeast Africa, eastern Europe, and the Middle East.[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 | 0.44376 |
| Umbral Magnitude | −0.52587 |
| Gamma | 1.30828 |
| Sun Right Ascension | 05h42m46.1s |
| Sun Declination | +23°22'28.6" |
| Sun Semi-Diameter | 15'44.7" |
| Sun Equatorial Horizontal Parallax | 08.7" |
| Moon Right Ascension | 17h43m28.2s |
| Moon Declination | -22°05'07.2" |
| Moon Semi-Diameter | 16'14.3" |
| Moon Equatorial Horizontal Parallax | 0°59'35.6" |
| ΔT | 78.2 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. The first and last eclipse in this sequence is separated by one synodic month.
| June 17 Descending node (full moon) |
July 2 Ascending node (new moon) |
July 16 Descending node (full moon) |
|---|---|---|
|
 |
|
| Penumbral lunar eclipse Lunar Saros 111 |
Annular solar eclipse Solar Saros 137 |
Penumbral lunar eclipse Lunar Saros 149 |
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]- Followed by: Lunar eclipse of April 5, 2042
Tzolkinex
[edit]- Preceded by: Lunar eclipse of May 7, 2031
Half-Saros
[edit]- Preceded by: Solar eclipse of June 12, 2029
- Followed by: Solar eclipse of June 23, 2047
Tritos
[edit]- Preceded by: Lunar eclipse of July 18, 2027
- Followed by: Lunar eclipse of May 17, 2049
Lunar Saros 111
[edit]- Preceded by: Lunar eclipse of June 5, 2020
- Followed by: Lunar eclipse of June 27, 2056
Inex
[edit]- Preceded by: Lunar eclipse of July 7, 2009
- Followed by: Lunar eclipse of May 28, 2067
Triad
[edit]- Preceded by: Lunar eclipse of August 17, 1951
- Followed by: Lunar eclipse of April 18, 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 | |||
Saros 111
[edit]Lunar Saros 111, repeating every 18 years and 11 days, has a total of 71 lunar eclipse events including 11 total lunar eclipses. The first total lunar eclipse of this series was on April 19, 1353, and last was on August 4, 1533. The longest occurrence of this series was on June 12, 1443 when the totality lasted 106 minutes.
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 118.
| June 12, 2029 | June 23, 2047 |
|---|---|
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See also
[edit]Notes
[edit]- ^ "June 16–17, 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 Jun 17" (PDF). NASA. Retrieved 29 November 2024.
- ^ "Penumbral Lunar Eclipse of 2038 Jun 17". EclipseWise.com. Retrieved 29 November 2024.
- ^ Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros
External links
[edit]- 2038 Jun 17 chart: Eclipse Predictions by Fred Espenak, NASA/GSFC
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