Astronomical event From Wikipedia, the free encyclopedia
A partial lunar eclipse will occur at the Moon’s ascending node of orbit on Friday, June 26, 2048,[1] with an umbral magnitude of 0.6404. A lunar eclipse occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened. A partial lunar eclipse occurs when one part of the Moon is in the Earth's umbra, while the other part is in 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 only about 21 hours after perigee (on June 25, 2048, at 5:50 UTC), the Moon's apparent diameter will be larger.[2]
| Partial eclipse | |||||||||||||
The Moon's hourly motion shown right to left | |||||||||||||
| Date | June 26, 2048 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gamma | 0.6796 | ||||||||||||
| Magnitude | 0.6404 | ||||||||||||
| Saros cycle | 140 (26 of 77) | ||||||||||||
| Partiality | 159 minutes, 10 seconds | ||||||||||||
| Penumbral | 285 minutes, 44 seconds | ||||||||||||
| |||||||||||||
The eclipse will be completely visible over South America, west and southern Africa, and Antarctica, seen rising over much of North America and setting over Europe, east Africa, and west, central, and south Asia.[3]
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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 | 1.58412 |
| Umbral Magnitude | 0.64039 |
| Gamma | 0.67965 |
| Sun Right Ascension | 06h22m31.9s |
| Sun Declination | +23°19'54.0" |
| Sun Semi-Diameter | 15'44.1" |
| Sun Equatorial Horizontal Parallax | 08.7" |
| Moon Right Ascension | 18h22m07.4s |
| Moon Declination | -22°38'42.2" |
| Moon Semi-Diameter | 16'40.4" |
| Moon Equatorial Horizontal Parallax | 1°01'11.5" |
| ΔT | 84.1 s |
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.
| June 11 Descending node (new moon) | June 26 Ascending node (full moon) |
|---|---|
 | |
| Annular solar eclipse Solar Saros 128 | Partial lunar eclipse Lunar Saros 140 |
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 eclipses on May 17, 2049 and November 9, 2049 occur in the next lunar year eclipse set.
| Lunar eclipse series sets from 2046 to 2049 | ||||||||
|---|---|---|---|---|---|---|---|---|
| Descending node | Ascending node | |||||||
| Saros | Date Viewing |
Type Chart |
Gamma | Saros | Date Viewing |
Type Chart |
Gamma | |
| 115 | 2046 Jan 22 |
Partial |
0.9885 | 120 | 2046 Jul 18 |
Partial |
−0.8691 | |
| 125 | 2047 Jan 12 |
Total |
0.3317 | 130 | 2047 Jul 07 |
Total |
−0.0636 | |
| 135 | 2048 Jan 01 |
Total |
−0.3745 | 140 | 2048 Jun 26 |
Partial |
0.6796 | |
| 145 | 2048 Dec 20 |
Penumbral |
−1.0624 | 150 | 2049 Jun 15 |
Penumbral |
1.4068 | |
This eclipse is a part of Saros series 140, repeating every 18 years, 11 days, and containing 77 events. The series started with a penumbral lunar eclipse on September 25, 1597. It contains partial eclipses from May 3, 1958 through July 17, 2084; total eclipses from July 30, 2102 through May 21, 2589; and a second set of partial eclipses from June 2, 2607 through August 7, 2715. The series ends at member 77 as a penumbral eclipse on January 6, 2968.
The longest duration of totality will be produced by member 38 at 98 minutes, 36 seconds on November 4, 2264. All eclipses in this series occur at the Moon’s ascending node of orbit.[6]
| Greatest | First | |||
|---|---|---|---|---|
| The greatest eclipse of the series will occur on 2264 Nov 04, lasting 98 minutes, 36 seconds.[7] | Penumbral | Partial | Total | Central |
| 1597 Sep 25 |
1958 May 03 |
2102 Jul 30 |
2156 Aug 30 | |
| Last | ||||
| Central | Total | Partial | Penumbral | |
| 2535 Apr 19 |
2589 May 21 |
2715 Aug 07 |
2968 Jan 06 | |
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.
| Series members 13–34 occur between 1801 and 2200: | |||||
|---|---|---|---|---|---|
| 13 | 14 | 15 | |||
| 1814 Feb 04 | 1832 Feb 16 | 1850 Feb 26 | |||
| 16 | 17 | 18 | |||
| 1868 Mar 08 | 1886 Mar 20 | 1904 Mar 31 | |||
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| 19 | 20 | 21 | |||
| 1922 Apr 11 | 1940 Apr 22 | 1958 May 03 | |||
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| 22 | 23 | 24 | |||
| 1976 May 13 | 1994 May 25 | 2012 Jun 04 | |||
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| 25 | 26 | 27 | |||
| 2030 Jun 15 | 2048 Jun 26 | 2066 Jul 07 | |||
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| 28 | 29 | 30 | |||
| 2084 Jul 17 | 2102 Jul 30 | 2120 Aug 09 | |||
| 31 | 32 | 33 | |||
| 2138 Aug 20 | 2156 Aug 30 | 2174 Sep 11 | |||
| 34 | |||||
| 2192 Sep 21 | |||||
This eclipse is a part of a tritos cycle, repeating at alternating nodes every 135 synodic months (≈ 3986.63 days, or 11 years minus 1 month). Their appearance and longitude are irregular due to a lack of synchronization with the anomalistic 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 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1808 May 10 (Saros 118) |
1819 Apr 10 (Saros 119) |
1830 Mar 09 (Saros 120) |
1841 Feb 06 (Saros 121) |
1852 Jan 07 (Saros 122) | |||||
| 1862 Dec 06 (Saros 123) |
1873 Nov 04 (Saros 124) |
1884 Oct 04 (Saros 125) |
1895 Sep 04 (Saros 126) |
1906 Aug 04 (Saros 127) | |||||
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| 1917 Jul 04 (Saros 128) |
1928 Jun 03 (Saros 129) |
1939 May 03 (Saros 130) |
1950 Apr 02 (Saros 131) |
1961 Mar 02 (Saros 132) | |||||
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| 1972 Jan 30 (Saros 133) |
1982 Dec 30 (Saros 134) |
1993 Nov 29 (Saros 135) |
2004 Oct 28 (Saros 136) |
2015 Sep 28 (Saros 137) | |||||
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| 2026 Aug 28 (Saros 138) |
2037 Jul 27 (Saros 139) |
2048 Jun 26 (Saros 140) |
2059 May 27 (Saros 141) |
2070 Apr 25 (Saros 142) | |||||
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| 2081 Mar 25 (Saros 143) |
2092 Feb 23 (Saros 144) |
2103 Jan 23 (Saros 145) |
2113 Dec 22 (Saros 146) |
2124 Nov 21 (Saros 147) | |||||
| 2135 Oct 22 (Saros 148) |
2146 Sep 20 (Saros 149) |
2157 Aug 20 (Saros 150) |
2168 Jul 20 (Saros 151) |
2179 Jun 19 (Saros 152) | |||||
| 2190 May 19 (Saros 153) | |||||||||
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 annular solar eclipses of Solar Saros 147.
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