| Total eclipse | |||||||||||||||||
 The Moon's hourly motion shown right to left | |||||||||||||||||
| Date | August 7, 2036 | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gamma | 0.2004 | ||||||||||||||||
| Magnitude | 1.4556 | ||||||||||||||||
| Saros cycle | 129 (39 of 71) | ||||||||||||||||
| Totality | 95 minutes, 22 seconds | ||||||||||||||||
| Partiality | 241 minutes, 17 seconds | ||||||||||||||||
| Penumbral | 372 minutes, 6 seconds | ||||||||||||||||
| |||||||||||||||||
A totallunar eclipse will occur at the Moon’sdescending node of orbit on Thursday, August 7, 2036,[1] with an umbralmagnitude of 1.4556. It will be acentral lunar eclipse, in which part of theMoon will pass through thecenter of theEarth's shadow. A lunar eclipse occurs when theMoon moves into theEarth'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 asolar eclipse, which can only be viewed from a relatively small area of the world, a lunar eclipse may be viewed from anywhere on thenight 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'sshadow is smaller. Occurring only about 11 hours afterapogee (on August 6, 2036, at 16:00 UTC), the Moon's apparent diameter will be smaller.[2]
This is the lastcentral lunar eclipse ofSaros cycle 129.
The eclipse will be completely visible overSouth America andwest Africa, seen rising over much ofNorth America and the easternPacific Ocean and setting overAfrica,Europe, andwest,central, andsouth Asia.[3]
 |
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 | 2.52786 |
| Umbral magnitude | 1.45557 |
| Gamma | 0.20044 |
| Sun right ascension | 09h10m39.1s |
| Sun declination | +16°16'20.8" |
| Sun semi-diameter | 15'46.3" |
| Sun equatorial horizontal parallax | 08.7" |
| Moon right ascension | 21h10m30.3s |
| Moon declination | -16°05'44.3" |
| Moon semi-diameter | 14'42.5" |
| Moon equatorial horizontal parallax | 0°53'58.8" |
| ΔT | 77.2 s |
This eclipse is part of aneclipse 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 afortnight. The first and last eclipse in this sequence is separated by onesynodic month.
| July 23 Ascending node (new moon) | August 7 Descending node (full moon) | August 21 Ascending node (new moon) |
|---|---|---|
 | |  |
| Partial solar eclipse Solar Saros 117 | Total lunar eclipse Lunar Saros 129 | Partial solar eclipse Solar Saros 155 |
This eclipse is a member of asemester series. An eclipse in a semester series of lunar eclipses repeats approximately every 177 days and 4 hours (a semester) at alternatingnodes of the Moon's orbit.[5]
The penumbral lunar eclipses onJune 17, 2038 andDecember 11, 2038 occur in the next lunar year eclipse set.
| Lunar eclipse series sets from 2035 to 2038 | ||||||||
|---|---|---|---|---|---|---|---|---|
| Ascending node | Descending node | |||||||
| Saros | Date Viewing | Type Chart | Gamma | Saros | Date Viewing | Type Chart | Gamma | |
| 114 | 2035 Feb 22 | Penumbral | −1.0357 | 119 | 2035 Aug 19 | Partial | 0.9433 | |
| 124 | 2036 Feb 11 | Total | −0.3110 | 129 | 2036 Aug 07 | Total | 0.2004 | |
| 134 | 2037 Jan 31 | Total | 0.3619 | 139 | 2037 Jul 27 | Partial | −0.5582 | |
| 144 | 2038 Jan 21 | Penumbral | 1.0710 | 149 | 2038 Jul 16 | Penumbral | −1.2837 | |
This eclipse is a part ofSaros 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 fromMay 24, 1910 throughSeptember 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 onJuly 16, 2000. All eclipses in this series occur at the Moon’sdescending node of orbit.[6]
| Greatest | First | |||
|---|---|---|---|---|
 The greatest eclipse of the series occurred on2000 Jul 16, lasting 106 minutes, 24 seconds.[7] | Penumbral | Partial | Total | Central |
| 1351 Jun 10 | 1531 Sep 26 | 1910 May 24 | 1946 Jun 14 | |
| Last | ||||
| Central | Total | Partial | Penumbral | |
| 2036 Aug 07 | 2090 Sep 08 | 2469 Apr 26 | 2613 Jul 24 | |
Eclipses are tabulated in three columns; every third eclipse in the same column is oneexeligmos apart, so they all cast shadows over approximately the same parts of the Earth.
| Series members 26–48 occur between 1801 and 2200: | |||||
|---|---|---|---|---|---|
| 26 | 27 | 28 | |||
| 1802 Mar 19 | 1820 Mar 29 | 1838 Apr 10 | |||
| 29 | 30 | 31 | |||
| 1856 Apr 20 | 1874 May 01 | 1892 May 11 | |||
| 32 | 33 | 34 | |||
| 1910 May 24 | 1928 Jun 03 | 1946 Jun 14 | |||
|  |  |  | |  |
| 35 | 36 | 37 | |||
| 1964 Jun 25 | 1982 Jul 06 | 2000 Jul 16 | |||
 |  |  |  | |  |
| 38 | 39 | 40 | |||
| 2018 Jul 27 | 2036 Aug 07 | 2054 Aug 18 | |||
 |  | | |  |  |
| 41 | 42 | 43 | |||
| 2072 Aug 28 | 2090 Sep 08 | 2108 Sep 20 | |||
 |  | |  | ||
| 44 | 45 | 46 | |||
| 2126 Oct 01 | 2144 Oct 11 | 2162 Oct 23 | |||
| 47 | 48 | ||||
| 2180 Nov 02 | 2198 Nov 13 | ||||
This eclipse is a part of atritos cycle, repeating at alternating nodes every 135synodic months (≈ 3986.63 days, or 11 years minus 1 month). Their appearance and longitude are irregular due to a lack of synchronization with theanomalistic month (period of perigee), but groupings of 3 tritos cycles (≈ 33 years minus 3 months) come close (≈ 434.044 anomalistic months), so eclipses are similar in these groupings.
| Series members between 1801 and 2200 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1807 May 21 (Saros 108) | 1818 Apr 21 (Saros 109) | 1829 Mar 20 (Saros 110) | 1840 Feb 17 (Saros 111) | 1851 Jan 17 (Saros 112) | |||||
| 1861 Dec 17 (Saros 113) | 1872 Nov 15 (Saros 114) | 1883 Oct 16 (Saros 115) | 1894 Sep 15 (Saros 116) | 1905 Aug 15 (Saros 117) | |||||
 |  | ||||||||
| 1916 Jul 15 (Saros 118) | 1927 Jun 15 (Saros 119) | 1938 May 14 (Saros 120) | 1949 Apr 13 (Saros 121) | 1960 Mar 13 (Saros 122) | |||||
 |  |  |  |  |  |  |  |  |  |
| 1971 Feb 10 (Saros 123) | 1982 Jan 09 (Saros 124) | 1992 Dec 09 (Saros 125) | 2003 Nov 09 (Saros 126) | 2014 Oct 08 (Saros 127) | |||||
 |  |  |  |  |  |  |  |  |  |
| 2025 Sep 07 (Saros 128) | 2036 Aug 07 (Saros 129) | 2047 Jul 07 (Saros 130) | 2058 Jun 06 (Saros 131) | 2069 May 06 (Saros 132) | |||||
 |  | | |  |  |  |  |  |  |
| 2080 Apr 04 (Saros 133) | 2091 Mar 05 (Saros 134) | 2102 Feb 03 (Saros 135) | 2113 Jan 02 (Saros 136) | 2123 Dec 03 (Saros 137) | |||||
 |  |  |  | ||||||
| 2134 Nov 02 (Saros 138) | 2145 Sep 30 (Saros 139) | 2156 Aug 30 (Saros 140) | 2167 Aug 01 (Saros 141) | 2178 Jun 30 (Saros 142) | |||||
| 2189 May 29 (Saros 143) | 2200 Apr 30 (Saros 144) | ||||||||
This eclipse is a part of the long periodinex cycle, repeating at alternating nodes, every 358synodic months (≈ 10,571.95 days, or 29 years minus 20 days). Their appearance and longitude are irregular due to a lack of synchronization with theanomalistic month (period of perigee). However, groupings of 3 inex cycles (≈ 87 years minus 2 months) comes close (≈ 1,151.02 anomalistic months), so eclipses are similar in these groupings.
| Series members between 1801 and 2200 | |||||
|---|---|---|---|---|---|
| 1805 Jan 15 (Saros 121) | 1833 Dec 26 (Saros 122) | 1862 Dec 06 (Saros 123) | |||
| 1891 Nov 16 (Saros 124) | 1920 Oct 27 (Saros 125) | 1949 Oct 07 (Saros 126) | |||
 |  |  |  | ||
| 1978 Sep 16 (Saros 127) | 2007 Aug 28 (Saros 128) | 2036 Aug 07 (Saros 129) | |||
 |  |  |  | | |
| 2065 Jul 17 (Saros 130) | 2094 Jun 28 (Saros 131) | 2123 Jun 09 (Saros 132) | |||
 |  |  |  |  | |
| 2152 May 18 (Saros 133) | 2181 Apr 29 (Saros 134) | ||||
A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (ahalf saros).[8] This lunar eclipse is related to two total solar eclipses ofSolar Saros 136.
| August 2, 2027 | August 12, 2045 |
|---|---|
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