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Solar eclipse of October 4, 2051

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Solar eclipse of October 4, 2051
Map
Type of eclipse
NaturePartial
Gamma−1.2094
Magnitude0.6024
Maximum eclipse
Coordinates72°00′S 117°42′E / 72°S 117.7°E / -72; 117.7
Times (UTC)
Greatest eclipse21:02:14
References
Saros125 (56 of 73)
Catalog # (SE5000)9622

A partial solar eclipse will occur at the Moon's ascending node of orbit between Wednesday, October 4 and Thursday, October 5, 2051,[1] with a magnitude of 0.6024. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image of the Sun for a viewer on Earth. A partial solar eclipse occurs in the polar regions of the Earth when the center of the Moon's shadow misses the Earth.

The partial solar eclipse will be visible for parts of southeastern Australia, New Zealand, and Antarctica.

Eclipse details

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Shown below are two tables displaying details about this particular solar eclipse. The first table outlines times at which the moon's penumbra or umbra attains the specific parameter, and the second table describes various other parameters pertaining to this eclipse.[2]

October 4, 2051 Solar Eclipse Times
Event Time (UTC)
First Penumbral External Contact 2051 October 04 at 19:03:47.6 UTC
Ecliptic Conjunction 2051 October 04 at 20:48:07.0 UTC
Greatest Eclipse 2051 October 04 at 21:02:14.5 UTC
Equatorial Conjunction 2051 October 04 at 21:47:07.0 UTC
Last Penumbral External Contact 2051 October 04 at 23:00:22.7 UTC
October 4, 2051 Solar Eclipse Parameters
Parameter Value
Eclipse Magnitude 0.60242
Eclipse Obscuration 0.49381
Gamma −1.20938
Sun Right Ascension 12h42m39.3s
Sun Declination -04°35'05.4"
Sun Semi-Diameter 15'59.2"
Sun Equatorial Horizontal Parallax 08.8"
Moon Right Ascension 12h41m20.9s
Moon Declination -05°37'21.2"
Moon Semi-Diameter 14'44.4"
Moon Equatorial Horizontal Parallax 0°54'05.8"
ΔT 85.1 s

Eclipse season

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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.

Eclipse season of October 2051
October 4
Ascending node (new moon)
October 19
Descending node (full moon)
Partial solar eclipse
Solar Saros 125
Total lunar eclipse
Lunar Saros 137
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Eclipses in 2051

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Metonic

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Tzolkinex

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Half-Saros

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Tritos

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Solar Saros 125

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Inex

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Triad

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Solar eclipses 2051–2054

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This eclipse is a member of a semester series. An eclipse in a semester series of solar eclipses repeats approximately every 177 days and 4 hours (a semester) at alternating nodes of the Moon's orbit.[3]

The partial solar eclipse on August 3, 2054 occurs in the next lunar year eclipse set.

Solar eclipse series sets from 2051 to 2054
Descending node   Ascending node
Saros Map Gamma Saros Map Gamma
120 April 11, 2051

Partial
1.0169 125 October 4, 2051

Partial
−1.2094
130 March 30, 2052

Total
0.3238 135 September 22, 2052

Annular
−0.448
140 March 20, 2053

Annular
−0.4089 145 September 12, 2053

Total
0.314
150 March 9, 2054

Partial
−1.1711 155 September 2, 2054

Partial
1.0215

Saros 125

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This eclipse is a part of Saros series 125, repeating every 18 years, 11 days, and containing 73 events. The series started with a partial solar eclipse on February 4, 1060. It contains total eclipses from June 13, 1276 through July 16, 1330; hybrid eclipses on July 26, 1348 and August 7, 1366; and annular eclipses from August 17, 1384 through August 22, 1979. The series ends at member 73 as a partial eclipse on April 9, 2358. Its 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.

The longest duration of totality was produced by member 14 at 1 minutes, 11 seconds on June 25, 1294, and the longest duration of annularity was produced by member 48 at 7 minutes, 23 seconds on July 10, 1907. All eclipses in this series occur at the Moon’s ascending node of orbit.[4]

Series members 43–64 occur between 1801 and 2200:
43 44 45

May 16, 1817

May 27, 1835

June 6, 1853
46 47 48

June 18, 1871

June 28, 1889

July 10, 1907
49 50 51

July 20, 1925

August 1, 1943

August 11, 1961
52 53 54

August 22, 1979

September 2, 1997

September 13, 2015
55 56 57

September 23, 2033

October 4, 2051

October 15, 2069
58 59 60

October 26, 2087

November 6, 2105

November 18, 2123
61 62 63

November 28, 2141

December 9, 2159

December 20, 2177
64

December 31, 2195

Metonic series

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The metonic series repeats eclipses every 19 years (6939.69 days), lasting about 5 cycles. Eclipses occur in nearly the same calendar date. In addition, the octon subseries repeats 1/5 of that or every 3.8 years (1387.94 days). All eclipses in this table occur at the Moon's ascending node.

21 eclipse events between July 23, 2036 and July 23, 2112
July 23–24 May 11 February 27–28 December 16–17 October 4–5
117 119 121 123 125

July 23, 2036

May 11, 2040

February 28, 2044

December 16, 2047

October 4, 2051
127 129 131 133 135

July 24, 2055

May 11, 2059

February 28, 2063

December 17, 2066

October 4, 2070
137 139 141 143 145

July 24, 2074

May 11, 2078

February 27, 2082

December 16, 2085

October 4, 2089
147 149 151 153 155

July 23, 2093

May 11, 2097

February 28, 2101

December 17, 2104

October 5, 2108
157

July 23, 2112

Tritos series

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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 1866 and 2200

March 16, 1866
(Saros 108)

December 13, 1898
(Saros 111)

September 12, 1931
(Saros 114)

August 12, 1942
(Saros 115)

July 11, 1953
(Saros 116)

June 10, 1964
(Saros 117)

May 11, 1975
(Saros 118)

April 9, 1986
(Saros 119)

March 9, 1997
(Saros 120)

February 7, 2008
(Saros 121)

January 6, 2019
(Saros 122)

December 5, 2029
(Saros 123)

November 4, 2040
(Saros 124)

October 4, 2051
(Saros 125)

September 3, 2062
(Saros 126)

August 3, 2073
(Saros 127)

July 3, 2084
(Saros 128)

June 2, 2095
(Saros 129)

May 3, 2106
(Saros 130)

April 2, 2117
(Saros 131)

March 1, 2128
(Saros 132)

January 30, 2139
(Saros 133)

December 30, 2149
(Saros 134)

November 27, 2160
(Saros 135)

October 29, 2171
(Saros 136)

September 27, 2182
(Saros 137)

August 26, 2193
(Saros 138)

Inex series

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This eclipse is a part of the long period inex cycle, repeating at alternating nodes, every 358 synodic months (≈ 10,571.95 days, or 29 years minus 20 days). Their appearance and longitude are irregular due to a lack of synchronization with the anomalistic 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

March 14, 1820
(Saros 117)

February 23, 1849
(Saros 118)

February 2, 1878
(Saros 119)

January 14, 1907
(Saros 120)

December 25, 1935
(Saros 121)

December 4, 1964
(Saros 122)

November 13, 1993
(Saros 123)

October 25, 2022
(Saros 124)

October 4, 2051
(Saros 125)

September 13, 2080
(Saros 126)

August 26, 2109
(Saros 127)

August 5, 2138
(Saros 128)

July 16, 2167
(Saros 129)

June 26, 2196
(Saros 130)

References

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  1. ^ "October 4, 2051 Partial Solar Eclipse". timeanddate. Retrieved 15 August 2024.
  2. ^ "Partial Solar Eclipse of 2051 Oct 04". EclipseWise.com. Retrieved 15 August 2024.
  3. ^ van Gent, R.H. "Solar- and Lunar-Eclipse Predictions from Antiquity to the Present". A Catalogue of Eclipse Cycles. Utrecht University. Retrieved 6 October 2018.
  4. ^ "NASA - Catalog of Solar Eclipses of Saros 125". eclipse.gsfc.nasa.gov.
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