August 2072 lunar eclipse
Template:Short description Template:Infobox lunar eclipse A total lunar eclipse will occur at the Moon’s descending node of orbit on Sunday, August 28, 2072,[1] with an umbral magnitude of 1.1673. 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 shadow is smaller. Occurring only about 4.5 hours before apogee (on August 28, 2072, at 20:40 UTC), the Moon's apparent diameter will be smaller.[2]
This lunar eclipse will be the second of a tetrad, with four total lunar eclipses in series, the others being on March 4, 2072; February 22, 2073; and August 17, 2073.
Visibility
The eclipse will be completely visible over southeast and east Asia, Australia, and Antarctica, seen rising over Africa, Europe, and west and central Asia and setting over the eastern Pacific Ocean and western North America.[3]
| File:Lunar eclipse from moon-2072Aug28.png File:Lunar eclipse chart close-2072Aug28.png |
Eclipse details
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 | 2.24389 |
| Umbral Magnitude | 1.16727 |
| Gamma | 0.35634 |
| Sun Right Ascension | 10h31m55.6s |
| Sun Declination | +09°13'37.7" |
| Sun Semi-Diameter | 15'50.1" |
| Sun Equatorial Horizontal Parallax | 08.7" |
| Moon Right Ascension | 22h31m34.3s |
| Moon Declination | -08°55'07.7" |
| Moon Semi-Diameter | 14'42.5" |
| Moon Equatorial Horizontal Parallax | 0°53'58.7" |
| ΔT | 101.6 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.
| August 28 Descending node (full moon) |
September 12 Ascending node (new moon) |
|---|---|
| File:Lunar eclipse chart close-2072Aug28.png | File:SE2072Sep12T.png |
| Total lunar eclipse Lunar Saros 129 |
Total solar eclipse Solar Saros 155 |
Related eclipses
Eclipses in 2072
- A total lunar eclipse on March 4.
- A partial solar eclipse on March 19.
- A total lunar eclipse on August 28.
- A total solar eclipse on September 12.
Metonic
- Preceded by: Lunar eclipse of November 9, 2068
- Followed by: Lunar eclipse of June 17, 2076
Tzolkinex
- Preceded by: Lunar eclipse of July 17, 2065
- Followed by: Lunar eclipse of October 10, 2079
Half-Saros
- Preceded by: Solar eclipse of August 24, 2063
- Followed by: Solar eclipse of September 3, 2081
Tritos
- Preceded by: Lunar eclipse of September 29, 2061
- Followed by: Lunar eclipse of July 29, 2083
Lunar Saros 129
- Preceded by: Lunar eclipse of August 18, 2054
- Followed by: Lunar eclipse of September 8, 2090
Inex
- Preceded by: Lunar eclipse of September 19, 2043
- Followed by: Lunar eclipse of August 9, 2101
Triad
- Preceded by: Lunar eclipse of October 28, 1985
- Followed by: Lunar eclipse of June 30, 2159
Lunar eclipses of 2071–2074
This eclipse is a member of a semester series. An eclipse in a semester series of lunar eclipses repeats approximately every 177 days and 4 hours (a semester) at alternating nodes of the Moon's orbit.[5]
The penumbral lunar eclipse on July 8, 2074 occurs in the next lunar year eclipse set.
| Lunar eclipse series sets from 2071 to 2074 | ||||||||
|---|---|---|---|---|---|---|---|---|
| Ascending node | Descending node | |||||||
| Saros | Date Viewing |
Type Chart |
Gamma | Saros | Date Viewing |
Type Chart |
Gamma | |
| 114 | 2071 Mar 16 |
Penumbral |
−1.0756 | 119 | 2071 Sep 09 |
Penumbral |
1.0834 | |
| 124 | 2072 Mar 04 |
Total |
−0.3430 | 129 | 2072 Aug 28 File:Lunar eclipse from moon-2072Aug28.png |
Total File:Lunar eclipse chart close-2072Aug28.png |
0.3563 | |
| 134 | 2073 Feb 22 |
Total |
0.3388 | 139 | 2073 Aug 17 |
Total |
−0.3998 | |
| 144 | 2074 Feb 11 |
Penumbral |
1.0611 | 149 | 2074 Aug 07 |
Penumbral |
−1.1291 | |
Saros 129
This eclipse is a part of Saros series 129, repeating every 18 years, 11 days, and containing 71 events. The series started with a penumbral lunar eclipse on June 10, 1351. It contains partial eclipses from September 26, 1531 through May 11, 1892; total eclipses from May 24, 1910 through September 8, 2090; and a second set of partial eclipses from September 20, 2108 through April 26, 2469. The series ends at member 71 as a penumbral eclipse on July 24, 2613.
The longest duration of totality was produced by member 37 at 106 minutes, 24 seconds on July 16, 2000. All eclipses in this series occur at the Moon’s descending node of orbit.[6]
| Greatest | First | |||
|---|---|---|---|---|
| File:Lunar eclipse chart close-2000jul16.png The greatest eclipse of the series occurred on 2000 Jul 16, lasting 106 minutes, 24 seconds.[7] |
Penumbral | Partial | Total | Central |
| 1351 Jun 10 |
1531 Sep 26 |
1910 May 24 File:Lunar eclipse chart close-1910May24.png |
1946 Jun 14 File:Lunar eclipse chart close-1946Jun14.png | |
| Last | ||||
| Central | Total | Partial | Penumbral | |
| 2036 Aug 07 File:Lunar eclipse chart close-2036Aug07.png |
2090 Sep 08 File:Lunar eclipse chart close-2090Sep08.png |
2469 Apr 26 |
2613 Jul 24 | |
Eclipses are tabulated in three columns; every third eclipse in the same column is one exeligmos apart, so they all cast shadows over approximately the same parts of the Earth.
Tritos series
Template:Lunar Tritos series March 2007
Inex series
Template:Lunar Inex series October 2014
Half-Saros cycle
A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros).[8] This lunar eclipse is related to two total solar eclipses of Solar Saros 136.
| August 24, 2063 | September 3, 2081 |
|---|---|
| File:SE2063Aug24T.png | File:SE2081Sep03T.png |
See also
Notes
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- ↑ Listing of Eclipses of series 129
- ↑ Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros
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External links
- 2072 Aug 28 chart Eclipse Predictions by Fred Espenak, NASA/GSFC
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