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Solar eclipse of October 13, 2061

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Solar eclipse of October 13, 2061
Map
Type of eclipse
NatureAnnular
Gamma−0.9639
Magnitude0.9469
Maximum eclipse
Duration221 s (3 min 41 s)
Coordinates62°06′S 54°24′W / 62.1°S 54.4°W / -62.1; -54.4
Max. width of band743 km (462 mi)
Times (UTC)
Greatest eclipse10:32:10
References
Saros154 (9 of 71)
Catalog # (SE5000)9645

An annular solar eclipse will occur at the Moon's descending node of orbit on Thursday, October 13, 2061,[1] with a magnitude of 0.9469. 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. An annular solar eclipse occurs when the Moon's apparent diameter is smaller than the Sun's, blocking most of the Sun's light and causing the Sun to look like an annulus (ring). An annular eclipse appears as a partial eclipse over a region of the Earth thousands of kilometres wide. Occurring about 1.1 days before apogee (on April 21, 2061, at 4:00 UTC), the Moon's apparent diameter will be smaller.[2]

The path of annularity will be visible from parts of southern Chile, southern Argentina, the Falkland Islands, and Antarctica. A partial solar eclipse will also be visible for much of South America 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.[3]

October 13, 2061 Solar Eclipse Times
Event Time (UTC)
First Penumbral External Contact 2061 October 13 at 08:10:37.0 UTC
First Umbral External Contact 2061 October 13 at 09:55:37.2 UTC
First Central Line 2061 October 13 at 10:02:17.8 UTC
First Umbral Internal Contact 2061 October 13 at 10:10:51.8 UTC
Greatest Eclipse 2061 October 13 at 10:32:09.7 UTC
Greatest Duration 2061 October 13 at 10:35:25.8 UTC
Ecliptic Conjunction 2061 October 13 at 10:43:11.8 UTC
Last Umbral Internal Contact 2061 October 13 at 10:52:48.0 UTC
Last Central Line 2061 October 13 at 11:01:25.4 UTC
Last Umbral External Contact 2061 October 13 at 11:08:09.4 UTC
Equatorial Conjunction 2061 October 13 at 11:30:32.9 UTC
Last Penumbral External Contact 2061 October 13 at 12:53:24.7 UTC
October 13, 2061 Solar Eclipse Parameters
Parameter Value
Eclipse Magnitude 0.94691
Eclipse Obscuration 0.89664
Gamma −0.96393
Sun Right Ascension 13h16m11.1s
Sun Declination -08°03'03.6"
Sun Semi-Diameter 16'01.7"
Sun Equatorial Horizontal Parallax 08.8"
Moon Right Ascension 13h14m30.5s
Moon Declination -08°50'16.1"
Moon Semi-Diameter 15'07.5"
Moon Equatorial Horizontal Parallax 0°55'30.4"
ΔT 91.6 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 September–October 2061
September 29
Ascending node (full moon)
October 13
Descending node (new moon)
Total lunar eclipse
Lunar Saros 128
Annular solar eclipse
Solar Saros 154
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Eclipses in 2061

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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 154

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Inex

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Triad

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Solar eclipses of 2058–2061

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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.[4]

The partial solar eclipse on June 21, 2058 occurs in the previous lunar year eclipse set.

Solar eclipse series sets from 2058 to 2061
Ascending node   Descending node
Saros Map Gamma Saros Map Gamma
119 May 22, 2058

Partial
−1.3194 124 November 16, 2058

Partial
1.1224
129 May 11, 2059

Total
−0.508 134 November 5, 2059

Annular
0.4454
139 April 30, 2060

Total
0.2422 144 October 24, 2060

Annular
−0.2625
149 April 20, 2061

Total
0.9578 154 October 13, 2061

Annular
−0.9639

Saros 154

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This eclipse is a part of Saros series 154, repeating every 18 years, 11 days, and containing 71 events. The series started with a partial solar eclipse on July 19, 1917. It contains annular eclipses from October 3, 2043 through March 27, 2332; hybrid eclipses from April 7, 2350 through April 29, 2386; and total eclipses from May 9, 2404 through May 29, 3035. The series ends at member 71 as a partial eclipse on August 25, 3179. 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 annularity will be produced by member 9 at 3 minutes, 41 seconds on October 13, 2061, and the longest duration of totality will be produced by member 35 at 4 minutes, 50 seconds on July 25, 2530. All eclipses in this series occur at the Moon’s descending node of orbit.[5]

Series members 1–16 occur between 1917 and 2200:
1 2 3

July 19, 1917

July 30, 1935

August 9, 1953
4 5 6

August 20, 1971

August 31, 1989

September 11, 2007
7 8 9

September 21, 2025

October 3, 2043

October 13, 2061
10 11 12

October 24, 2079

November 4, 2097

November 16, 2115
13 14 15

November 26, 2133

December 8, 2151

December 18, 2169
16

December 29, 2187

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 descending node.

21 eclipse events between May 21, 1993 and May 20, 2069
May 20–21 March 9 December 25–26 October 13–14 August 1–2
118 120 122 124 126

May 21, 1993

March 9, 1997

December 25, 2000

October 14, 2004

August 1, 2008
128 130 132 134 136

May 20, 2012

March 9, 2016

December 26, 2019

October 14, 2023

August 2, 2027
138 140 142 144 146

May 21, 2031

March 9, 2035

December 26, 2038

October 14, 2042

August 2, 2046
148 150 152 154 156

May 20, 2050

March 9, 2054

December 26, 2057

October 13, 2061

August 2, 2065
158

May 20, 2069

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.

The partial solar eclipses on December 7, 2170 (part of Saros 164) and November 7, 2181 (part of Saros 165) are also a part of this series but are not included in the table below.

Series members between 1801 and 2105

September 28, 1810
(Saros 131)

August 27, 1821
(Saros 132)

July 27, 1832
(Saros 133)

June 27, 1843
(Saros 134)

May 26, 1854
(Saros 135)

April 25, 1865
(Saros 136)

March 25, 1876
(Saros 137)

February 22, 1887
(Saros 138)

January 22, 1898
(Saros 139)

December 23, 1908
(Saros 140)

November 22, 1919
(Saros 141)

October 21, 1930
(Saros 142)

September 21, 1941
(Saros 143)

August 20, 1952
(Saros 144)

July 20, 1963
(Saros 145)

June 20, 1974
(Saros 146)

May 19, 1985
(Saros 147)

April 17, 1996
(Saros 148)

March 19, 2007
(Saros 149)

February 15, 2018
(Saros 150)

January 14, 2029
(Saros 151)

December 15, 2039
(Saros 152)

November 14, 2050
(Saros 153)

October 13, 2061
(Saros 154)

September 12, 2072
(Saros 155)

August 13, 2083
(Saros 156)

July 12, 2094
(Saros 157)

June 12, 2105
(Saros 158)

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

April 13, 1801
(Saros 145)

March 24, 1830
(Saros 146)

March 4, 1859
(Saros 147)

February 11, 1888
(Saros 148)

January 23, 1917
(Saros 149)

January 3, 1946
(Saros 150)

December 13, 1974
(Saros 151)

November 23, 2003
(Saros 152)

November 3, 2032
(Saros 153)

October 13, 2061
(Saros 154)

September 23, 2090
(Saros 155)

September 5, 2119
(Saros 156)

August 14, 2148
(Saros 157)

July 25, 2177
(Saros 158)

References

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  1. ^ "October 13, 2061 Annular Solar Eclipse". timeanddate. Retrieved 17 August 2024.
  2. ^ "Moon Distances for London, United Kingdom, England". timeanddate. Retrieved 17 August 2024.
  3. ^ "Annular Solar Eclipse of 2061 Oct 13". EclipseWise.com. Retrieved 17 August 2024.
  4. ^ 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.
  5. ^ "NASA - Catalog of Solar Eclipses of Saros 154". eclipse.gsfc.nasa.gov.
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