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Solar eclipse of September 12, 2034
Solar eclipse of September 12, 2034
	Map
Type of eclipse
Nature	Annular
Gamma	−0.3936
Magnitude	0.9736
Maximum eclipse
Duration	178 s (2 min 58 s)
Coordinates	18°12′S 72°36′W / 18.2°S 72.6°W
Max. width of band	102 km (63 mi)
Times (UTC)
Greatest eclipse	16:19:28
References
Saros	135 (40 of 71)
Catalog # (SE5000)	9584

An annular solar eclipse will occur at the Moon's ascending node of orbit on Tuesday, September 12, 2034,^[1] with a magnitude of 0.9736. 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 5.7 days before apogee (on September 18, 2034, at 8:05 UTC), the Moon's apparent diameter will be smaller.^[2]

The eclipse will commence over the southern Pacific Ocean and then enter South America. Countries under the path include northern Chile, southern Bolivia, northern Argentina, southern Paraguay, and southern Brazil. The eclipse will then enter the Atlantic Ocean, and terminate approximately 2,000 miles (3,200 km) southeast of South America.^[3] A partial eclipse will be visible for parts of Central America, the Caribbean, South America, and Antarctica.

Images

Animated path

Eclipse details

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.^[4]

September 12, 2034 Solar Eclipse Times
Event	Time (UTC)
First Penumbral External Contact	2034 September 12 at 13:27:53.6 UTC
First Umbral External Contact	2034 September 12 at 14:33:23.3 UTC
First Central Line	2034 September 12 at 14:34:48.1 UTC
First Umbral Internal Contact	2034 September 12 at 14:36:13.0 UTC
First Penumbral Internal Contact	2034 September 12 at 15:56:56.6 UTC
Ecliptic Conjunction	2034 September 12 at 16:14:59.5 UTC
Greatest Eclipse	2034 September 12 at 16:19:27.5 UTC
Greatest Duration	2034 September 12 at 16:30:44.1 UTC
Equatorial Conjunction	2034 September 12 at 16:33:31.2 UTC
Last Penumbral Internal Contact	2034 September 12 at 16:41:33.8 UTC
Last Umbral Internal Contact	2034 September 12 at 18:02:29.4 UTC
Last Central Line	2034 September 12 at 18:03:57.4 UTC
Last Umbral External Contact	2034 September 12 at 18:05:25.2 UTC
Last Penumbral External Contact	2034 September 12 at 19:11:01.2 UTC

September 12, 2034 Solar Eclipse Parameters
Parameter	Value
Eclipse Magnitude	0.97364
Eclipse Obscuration	0.94798
Gamma	−0.39356
Sun Right Ascension	11h23m10.9s
Sun Declination	+03°57'57.5"
Sun Semi-Diameter	15'53.5"
Sun Equatorial Horizontal Parallax	08.7"
Moon Right Ascension	11h22m44.5s
Moon Declination	+03°36'59.6"
Moon Semi-Diameter	15'15.1"
Moon Equatorial Horizontal Parallax	0°55'58.6"
ΔT	76.0 s

Eclipse season

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 2034
September 12 Ascending node (new moon)	September 28 Descending node (full moon)

Annular solar eclipse Solar Saros 135	Partial lunar eclipse Lunar Saros 147

Related eclipses

Solar eclipses of 2033–2036

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.^[5]

The partial solar eclipse on July 23, 2036 occurs in the next lunar year eclipse set.

Solar eclipse series sets from 2033 to 2036
Descending node			Ascending node
Saros	Map	Gamma	Saros	Map	Gamma
120	March 30, 2033 Total	0.9778	125	September 23, 2033 Partial	−1.1583
130	March 20, 2034 Total	0.2894	135	September 12, 2034 Annular	−0.3936
140	March 9, 2035 Annular	−0.4368	145	September 2, 2035 Total	0.3727
150	February 27, 2036 Partial	−1.1942	155	August 21, 2036 Partial	1.0825

Saros 135

This eclipse is a part of Saros series 135, repeating every 18 years, 11 days, and containing 71 events. The series started with a partial solar eclipse on July 5, 1331. It contains annular eclipses from October 21, 1511 through February 24, 2305; hybrid eclipses on March 8, 2323 and March 18, 2341; and total eclipses from March 29, 2359 through May 22, 2449. The series ends at member 71 as a partial eclipse on August 17, 2593. 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 was produced by member 16 at 10 minutes, 41 seconds on December 24, 1601, and the longest duration of totality will be produced by member 62 at 2 minutes, 27 seconds on May 12, 2431. All eclipses in this series occur at the Moon’s ascending node of orbit.^[6]

Series members 28–49 occur between 1801 and 2200:
28	29	30
May 5, 1818	May 15, 1836	May 26, 1854
31	32	33
June 6, 1872	June 17, 1890	June 28, 1908
34	35	36
July 9, 1926	July 20, 1944	July 31, 1962
37	38	39
August 10, 1980	August 22, 1998	September 1, 2016
40	42	42
September 12, 2034	September 22, 2052	October 4, 2070
43	44	45
October 14, 2088	October 26, 2106	November 6, 2124
46	47	48
November 17, 2142	November 27, 2160	December 9, 2178
49
December 19, 2196

Metonic series

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 1, 2000 and July 1, 2076
July 1–2	April 19–20	February 5–7	November 24–25	September 12–13
117	119	121	123	125
July 1, 2000	April 19, 2004	February 7, 2008	November 25, 2011	September 13, 2015
127	129	131	133	135
July 2, 2019	April 20, 2023	February 6, 2027	November 25, 2030	September 12, 2034
137	139	141	143	145
July 2, 2038	April 20, 2042	February 5, 2046	November 25, 2049	September 12, 2053
147	149	151	153	155
July 1, 2057	April 20, 2061	February 5, 2065	November 24, 2068	September 12, 2072
157
July 1, 2076

Tritos series

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
June 26, 1805 (Saros 114)	May 27, 1816 (Saros 115)	April 26, 1827 (Saros 116)	March 25, 1838 (Saros 117)	February 23, 1849 (Saros 118)
January 23, 1860 (Saros 119)	December 22, 1870 (Saros 120)	November 21, 1881 (Saros 121)	October 20, 1892 (Saros 122)	September 21, 1903 (Saros 123)
August 21, 1914 (Saros 124)	July 20, 1925 (Saros 125)	June 19, 1936 (Saros 126)	May 20, 1947 (Saros 127)	April 19, 1958 (Saros 128)
March 18, 1969 (Saros 129)	February 16, 1980 (Saros 130)	January 15, 1991 (Saros 131)	December 14, 2001 (Saros 132)	November 13, 2012 (Saros 133)
October 14, 2023 (Saros 134)	September 12, 2034 (Saros 135)	August 12, 2045 (Saros 136)	July 12, 2056 (Saros 137)	June 11, 2067 (Saros 138)
May 11, 2078 (Saros 139)	April 10, 2089 (Saros 140)	March 10, 2100 (Saros 141)	February 8, 2111 (Saros 142)	January 8, 2122 (Saros 143)
December 7, 2132 (Saros 144)	November 7, 2143 (Saros 145)	October 7, 2154 (Saros 146)	September 5, 2165 (Saros 147)	August 4, 2176 (Saros 148)
July 6, 2187 (Saros 149)	June 4, 2198 (Saros 150)

Inex series

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
February 21, 1803 (Saros 127)	February 1, 1832 (Saros 128)	January 11, 1861 (Saros 129)
December 22, 1889 (Saros 130)	December 3, 1918 (Saros 131)	November 12, 1947 (Saros 132)
October 23, 1976 (Saros 133)	October 3, 2005 (Saros 134)	September 12, 2034 (Saros 135)
August 24, 2063 (Saros 136)	August 3, 2092 (Saros 137)	July 14, 2121 (Saros 138)
June 25, 2150 (Saros 139)	June 5, 2179 (Saros 140)