Solar eclipse of February 18, 2091
A partial solar eclipse will occur at the Moon's descending node of orbit on Sunday, February 18, 2091, with a magnitude of 0.6558. 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.
Related eclipses
Eclipses in 2091
- A partial solar eclipse on February 18.
- A total lunar eclipse on March 5.
- A total solar eclipse on August 15.
- A total lunar eclipse on August 29.
Metonic
- Preceded by: Solar eclipse of May 2, 2087
- Followed by: Solar eclipse of December 7, 2094
Tzolkinex
- Preceded by: Solar eclipse of January 7, 2084
- Followed by: Solar eclipse of April 1, 2098
Half-Saros
- Preceded by: Lunar eclipse of February 13, 2082
- Followed by: Lunar eclipse of February 24, 2100
Tritos
- Preceded by: Solar eclipse of March 21, 2080
- Followed by: Solar eclipse of January 19, 2102
Solar Saros 122
- Preceded by: Solar eclipse of February 7, 2073
- Followed by: Solar eclipse of March 1, 2109
Inex
- Preceded by: Solar eclipse of March 11, 2062
- Followed by: Solar eclipse of January 30, 2120
Triad
- Preceded by: Solar eclipse of April 19, 2004
- Followed by: Solar eclipse of December 20, 2177
Solar eclipses of 2091–2094
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.[1]
The partial solar eclipses on June 13, 2094 and December 7, 2094 occur in the next lunar year eclipse set.
Solar eclipse series sets from 2091 to 2094 | ||||||
---|---|---|---|---|---|---|
Descending node | Ascending node | |||||
Saros | Map | Gamma | Saros | Map | Gamma | |
122 | February 18, 2091![]() Partial | 1.1779 | 127 | August 15, 2091![]() Total | −0.949 | |
132 | February 7, 2092![]() Annular | 0.4322 | 137 | August 3, 2092![]() Annular | −0.2044 | |
142 | January 27, 2093![]() Total | −0.2737 | 147 | July 23, 2093![]() Annular | 0.5717 | |
152 | January 16, 2094![]() Total | −0.9333 | 157 | July 12, 2094![]() Partial | 1.3150 |
Saros 122
This eclipse is a part of Saros series 122, repeating every 18 years, 11 days, and containing 70 events. The series started with a partial solar eclipse on April 17, 991 AD. It contains total eclipses from July 12, 1135 through August 3, 1171; hybrid eclipses on August 13, 1189 and August 25, 1207; and annular eclipses from September 4, 1225 through October 10, 1874. The series ends at member 70 as a partial eclipse on May 17, 2235. 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 9 at 1 minutes, 25 seconds on July 12, 1135, and the longest duration of annularity was produced by member 50 at 6 minutes, 28 seconds on October 10, 1874. All eclipses in this series occur at the Moon’s descending node of orbit.[2]
Series members 46–68 occur between 1801 and 2200: | ||
---|---|---|
46 | 47 | 48 |
![]() August 28, 1802 | ![]() September 7, 1820 | ![]() September 18, 1838 |
49 | 50 | 51 |
![]() September 29, 1856 | ![]() October 10, 1874 | ![]() October 20, 1892 |
52 | 53 | 54 |
![]() November 2, 1910 | ![]() November 12, 1928 | ![]() November 23, 1946 |
55 | 56 | 57 |
![]() December 4, 1964 | ![]() December 15, 1982 | ![]() December 25, 2000 |
58 | 59 | 60 |
![]() January 6, 2019 | ![]() January 16, 2037 | ![]() January 27, 2055 |
61 | 62 | 63 |
![]() February 7, 2073 | ![]() February 18, 2091 | ![]() March 1, 2109 |
64 | 65 | 66 |
![]() March 13, 2127 | ![]() March 23, 2145 | ![]() April 3, 2163 |
67 | 68 | |
![]() April 14, 2181 | ![]() April 25, 2199 |
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 15, 2083 and December 7, 2170 | ||||
---|---|---|---|---|
July 14–15 | May 2–3 | February 18–19 | December 7–8 | September 25–26 |
118 | 120 | 122 | 124 | 126 |
![]() July 15, 2083 | ![]() May 2, 2087 | ![]() February 18, 2091 | ![]() December 7, 2094 | ![]() September 25, 2098 |
128 | 130 | 132 | 134 | 136 |
![]() July 15, 2102 | ![]() May 3, 2106 | ![]() February 18, 2110 | ![]() December 8, 2113 | ![]() September 26, 2117 |
138 | 140 | 142 | 144 | 146 |
![]() July 14, 2121 | ![]() May 3, 2125 | ![]() February 18, 2129 | ![]() December 7, 2132 | ![]() September 26, 2136 |
148 | 150 | 152 | 154 | 156 |
![]() July 14, 2140 | ![]() May 3, 2144 | ![]() February 19, 2148 | ![]() December 8, 2151 | ![]() September 26, 2155 |
158 | 160 | 162 | 164 | |
![]() July 15, 2159 | ![]() December 7, 2170 |
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 2036 and 2200 | ||||
---|---|---|---|---|
![]() July 23, 2036 (Saros 117) | ![]() June 23, 2047 (Saros 118) | ![]() May 22, 2058 (Saros 119) | ![]() April 21, 2069 (Saros 120) | ![]() March 21, 2080 (Saros 121) |
![]() February 18, 2091 (Saros 122) | ![]() January 19, 2102 (Saros 123) | ![]() December 19, 2112 (Saros 124) | ![]() November 18, 2123 (Saros 125) | ![]() October 17, 2134 (Saros 126) |
![]() September 16, 2145 (Saros 127) | ![]() August 16, 2156 (Saros 128) | ![]() July 16, 2167 (Saros 129) | ![]() June 16, 2178 (Saros 130) | ![]() May 15, 2189 (Saros 131) |
![]() April 14, 2200 (Saros 132) |
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 | ||
---|---|---|
![]() September 8, 1801 (Saros 112) | ![]() August 18, 1830 (Saros 113) | ![]() July 29, 1859 (Saros 114) |
![]() July 9, 1888 (Saros 115) | ![]() June 19, 1917 (Saros 116) | ![]() May 30, 1946 (Saros 117) |
![]() May 11, 1975 (Saros 118) | ![]() April 19, 2004 (Saros 119) | ![]() March 30, 2033 (Saros 120) |
![]() March 11, 2062 (Saros 121) | ![]() February 18, 2091 (Saros 122) | ![]() January 30, 2120 (Saros 123) |
![]() January 9, 2149 (Saros 124) | ![]() December 20, 2177 (Saros 125) |
References
External links
- NASA graphics
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By era | |
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Saros series (list) | |
Visibility | |
Historical |
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![21 August 2017 total solar eclipse](http://upload.wikimedia.org/wikipedia/commons/thumb/4/42/Solar_eclipse%2C_Miles_Landing_8-21-17_%2836842678271%29.jpg/80px-Solar_eclipse%2C_Miles_Landing_8-21-17_%2836842678271%29.jpg)
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![23 October 2014 partial eclipse](http://upload.wikimedia.org/wikipedia/commons/thumb/0/09/Partial_solar_eclipse_Oct_23_2014_Minneapolis_5-36pm_Ruen1.png/80px-Partial_solar_eclipse_Oct_23_2014_Minneapolis_5-36pm_Ruen1.png)
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