Solar eclipse of September 14, 2099
A total solar eclipse will occur at the Moon's descending node of orbit on Monday, September 14, 2099,[1] with a magnitude of 1.0684. 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 total solar eclipse occurs when the Moon's apparent diameter is larger than the Sun's, blocking all direct sunlight, turning day into darkness. Totality occurs in a narrow path across Earth's surface, with the partial solar eclipse visible over a surrounding region thousands of kilometres wide. Occurring only about 5 hours before perigee (on September 15, 2099, at 12:20 UTC), the Moon's apparent diameter will be larger.[2]
Locations experiencing totality
The eclipse will begin at sunrise off the western coast of Canada, and move eastern across Canada (British Columbia, Alberta, and Saskatchewan) and the northern states of the United States (Montana, North Dakota, South Dakota, Minnesota, Wisconsin, Illinois, Indiana, Michigan, Ohio, Pennsylvania, West Virginia, Maryland, Virginia and North Carolina). The eclipse will end in the Atlantic Ocean, with partial visibility in parts of Central America, the Caribbean, northern South America, the Iberian Peninsula, West Africa and throughout the entirety of North.
The path of totality will pass through the cities of Madison, Wisconsin, and Grand Rapids, Michigan. The last time totality was visible over these two locations was respectively May 16, 1379,[3][4] and April 18, 1558.[5]
British Columbia
Alberta
Saskatchewan
Montana
North Dakota
Minnesota
Wisconsin
Illinois
Michigan
Indiana
Ohio
Pennsylvania
West Virginia
Virginia
North Carolina
Although this solar eclipse does pass over a few large cities such as Minneapolis and Virginia Beach, it fails to offer totality in several major cities nearby, including most of Chicago and all of Washington D.C., Detroit, Cincinnati and Cleveland.[6] Moreover, in Canada, the cities of Moose Jaw and Regina will be directly north of the path, but not in it.
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.[7]
Event | Time (UTC) |
---|---|
First Penumbral External Contact | 2099 September 14 at 14:25:44.7 UTC |
First Umbral External Contact | 2099 September 14 at 15:22:08.5 UTC |
First Central Line | 2099 September 14 at 15:23:37.5 UTC |
First Umbral Internal Contact | 2099 September 14 at 15:25:06.8 UTC |
First Penumbral Internal Contact | 2099 September 14 at 16:32:45.5 UTC |
Equatorial Conjunction | 2099 September 14 at 16:35:31.9 UTC |
Ecliptic Conjunction | 2099 September 14 at 16:53:52.7 UTC |
Greatest Duration | 2099 September 14 at 16:56:49.2 UTC |
Greatest Eclipse | 2099 September 14 at 16:57:53.0 UTC |
Last Penumbral Internal Contact | 2099 September 14 at 17:23:30.3 UTC |
Last Umbral Internal Contact | 2099 September 14 at 18:30:52.9 UTC |
Last Central Line | 2099 September 14 at 18:32:22.2 UTC |
Last Umbral External Contact | 2099 September 14 at 18:33:51.3 UTC |
Last Penumbral External Contact | 2099 September 14 at 19:30:09.7 UTC |
Parameter | Value |
---|---|
Eclipse Magnitude | 1.06844 |
Eclipse Obscuration | 1.14156 |
Gamma | 0.39422 |
Sun Right Ascension | 11h31m25.7s |
Sun Declination | +03°05'04.1" |
Sun Semi-Diameter | 15'53.8" |
Sun Equatorial Horizontal Parallax | 08.7" |
Moon Right Ascension | 11h32m12.4s |
Moon Declination | +03°26'11.8" |
Moon Semi-Diameter | 16'43.1" |
Moon Equatorial Horizontal Parallax | 1°01'21.6" |
ΔT | 123.3 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.
September 14 Descending node (new moon) | September 29 Ascending node (full moon) |
---|---|
![]() | ![]() |
Total solar eclipse Solar Saros 136 | Penumbral lunar eclipse Lunar Saros 148 |
Related eclipses
Eclipses in 2099
- An annular solar eclipse on March 21.
- A partial lunar eclipse on April 5.
- A total solar eclipse on September 14.
- A penumbral lunar eclipse on September 29.
Metonic
- Preceded by: Solar eclipse of November 27, 2095
- Followed by: Solar eclipse of July 4, 2103
Tzolkinex
- Preceded by: Solar eclipse of August 3, 2092
- Followed by: Solar eclipse of October 26, 2106
Half-Saros
- Preceded by: Lunar eclipse of September 8, 2090
- Followed by: Lunar eclipse of September 20, 2108
Tritos
- Preceded by: Solar eclipse of October 14, 2088
- Followed by: Solar eclipse of August 15, 2110
Solar Saros 136
- Preceded by: Solar eclipse of September 3, 2081
- Followed by: Solar eclipse of September 26, 2117
Inex
- Preceded by: Solar eclipse of October 4, 2070
- Followed by: Solar eclipse of August 25, 2128
Triad
- Preceded by: Solar eclipse of November 13, 2012
- Followed by: Solar eclipse of July 16, 2186
Solar eclipses of 2098–2101
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.[8]
The partial solar eclipse on October 24, 2098 occurs in the previous lunar year eclipse set.
Solar eclipse series sets from 2098 to 2101 | ||||||
---|---|---|---|---|---|---|
Ascending node | Descending node | |||||
Saros | Map | Gamma | Saros | Map | Gamma | |
121 | April 1, 2098![]() Partial | −1.1005 | 126 | September 25, 2098![]() Partial | 1.14 | |
131 | March 21, 2099![]() Annular | −0.4016 | 136 | September 14, 2099![]() Total | 0.3942 | |
141 | March 10, 2100![]() Annular | 0.3077 | 146 | September 4, 2100![]() Total | −0.3384 | |
151 | February 28, 2101![]() Annular | 0.9964 | 156 | August 24, 2101![]() Partial | −1.1392 |
Saros 136
This eclipse is a part of Saros series 136, repeating every 18 years, 11 days, and containing 71 events. The series started with a partial solar eclipse on June 14, 1360. It contains annular eclipses from September 8, 1504 through November 12, 1594; hybrid eclipses from November 22, 1612 through January 17, 1703; and total eclipses from January 27, 1721 through May 13, 2496. The series ends at member 71 as a partial eclipse on July 30, 2622. 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 9 at 32 seconds on September 8, 1504, and the longest duration of totality was produced by member 34 at 7 minutes, 7.74 seconds on June 20, 1955. All eclipses in this series occur at the Moon’s descending node of orbit.[9]
Series members 26–47 occur between 1801 and 2200: | ||
---|---|---|
26 | 27 | 28 |
![]() March 24, 1811 | ![]() April 3, 1829 | ![]() April 15, 1847 |
29 | 30 | 31 |
![]() April 25, 1865 | ![]() May 6, 1883 | ![]() May 18, 1901 |
32 | 33 | 34 |
![]() May 29, 1919 | ![]() June 8, 1937 | ![]() June 20, 1955 |
35 | 36 | 37 |
![]() June 30, 1973 | ![]() July 11, 1991 | ![]() July 22, 2009 |
38 | 39 | 40 |
![]() August 2, 2027 | ![]() August 12, 2045 | ![]() August 24, 2063 |
41 | 42 | 43 |
![]() September 3, 2081 | ![]() September 14, 2099 | ![]() September 26, 2117 |
44 | 45 | 46 |
![]() October 7, 2135 | ![]() October 17, 2153 | ![]() October 29, 2171 |
47 | ||
![]() November 8, 2189 |
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 descending node.
22 eclipse events between July 3, 2065 and November 26, 2152 | ||||
---|---|---|---|---|
July 3–4 | April 21–23 | February 7–8 | November 26–27 | September 13–15 |
118 | 120 | 122 | 124 | 126 |
![]() July 3, 2065 | ![]() April 21, 2069 | ![]() February 7, 2073 | ![]() November 26, 2076 | ![]() September 13, 2080 |
128 | 130 | 132 | 134 | 136 |
![]() July 3, 2084 | ![]() April 21, 2088 | ![]() February 7, 2092 | ![]() November 27, 2095 | ![]() September 14, 2099 |
138 | 140 | 142 | 144 | 146 |
![]() July 4, 2103 | ![]() April 23, 2107 | ![]() February 8, 2111 | ![]() November 27, 2114 | ![]() September 15, 2118 |
148 | 150 | 152 | 154 | 156 |
![]() July 4, 2122 | ![]() April 22, 2126 | ![]() February 8, 2130 | ![]() November 26, 2133 | ![]() September 15, 2137 |
158 | 160 | 162 | 164 | |
![]() July 3, 2141 | ![]() November 26, 2152 |
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 | ||||
---|---|---|---|---|
![]() January 1, 1805 (Saros 109) | ![]() October 31, 1826 (Saros 111) | ![]() August 28, 1848 (Saros 113) | ||
![]() July 29, 1859 (Saros 114) | ![]() June 28, 1870 (Saros 115) | ![]() May 27, 1881 (Saros 116) | ![]() April 26, 1892 (Saros 117) | ![]() March 29, 1903 (Saros 118) |
![]() February 25, 1914 (Saros 119) | ![]() January 24, 1925 (Saros 120) | ![]() December 25, 1935 (Saros 121) | ![]() November 23, 1946 (Saros 122) | ![]() October 23, 1957 (Saros 123) |
![]() September 22, 1968 (Saros 124) | ![]() August 22, 1979 (Saros 125) | ![]() July 22, 1990 (Saros 126) | ![]() June 21, 2001 (Saros 127) | ![]() May 20, 2012 (Saros 128) |
![]() April 20, 2023 (Saros 129) | ![]() March 20, 2034 (Saros 130) | ![]() February 16, 2045 (Saros 131) | ![]() January 16, 2056 (Saros 132) | ![]() December 17, 2066 (Saros 133) |
![]() November 15, 2077 (Saros 134) | ![]() October 14, 2088 (Saros 135) | ![]() September 14, 2099 (Saros 136) | ![]() August 15, 2110 (Saros 137) | ![]() July 14, 2121 (Saros 138) |
![]() June 13, 2132 (Saros 139) | ![]() May 14, 2143 (Saros 140) | ![]() April 12, 2154 (Saros 141) | ![]() March 12, 2165 (Saros 142) | ![]() February 10, 2176 (Saros 143) |
![]() January 9, 2187 (Saros 144) | ![]() December 9, 2197 (Saros 145) |
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 | ||
---|---|---|
![]() April 4, 1810 (Saros 126) | ![]() March 15, 1839 (Saros 127) | ![]() February 23, 1868 (Saros 128) |
![]() February 1, 1897 (Saros 129) | ![]() January 14, 1926 (Saros 130) | ![]() December 25, 1954 (Saros 131) |
![]() December 4, 1983 (Saros 132) | ![]() November 13, 2012 (Saros 133) | ![]() October 25, 2041 (Saros 134) |
![]() October 4, 2070 (Saros 135) | ![]() September 14, 2099 (Saros 136) | ![]() August 25, 2128 (Saros 137) |
![]() August 5, 2157 (Saros 138) | ![]() July 16, 2186 (Saros 139) |
Notes
- ^ "September 14, 2099 Total Solar Eclipse". timeanddate. Retrieved 25 August 2024.
- ^ "Moon Distances for London, United Kingdom, England". timeanddate. Retrieved 25 August 2024.
- ^ Madison's Eclipse Drought Archived 2017-09-24 at the Wayback Machine by John Rummel
- ^ "1379-05-16.gif" (GIF). nasa.gov. Archived from the original on 19 November 2021. Retrieved 18 December 2022.
- ^ JavaScript Solar Eclipse Explorer by NASA
- ^ Eclipse Path of Total Solar Eclipse on September 14, 2099
- ^ "Total Solar Eclipse of 2099 Sep 14". EclipseWise.com. Retrieved 25 August 2024.
- ^ 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.
- ^ "NASA - Catalog of Solar Eclipses of Saros 136". eclipse.gsfc.nasa.gov.
References
- Earth visibility chart and eclipse statistics Eclipse Predictions by Fred Espenak, NASA/GSFC
- Google interactive map
- Besselian elements
- HermitEclipse: USA Eclipse Bonanza
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