Solar eclipse of March 21, 2099
An annular solar eclipse will occur at the Moon's ascending node of orbit between Saturday, March 21 and Sunday, March 22, 2099,[1] with a magnitude of 0.93. 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 2.1 days after apogee (on March 19, 2099, at 20:00 UTC), the Moon's apparent diameter will be smaller.[2]
The path of annularity will be visible from parts of the Auckland Islands, Chatham Island, and French Polynesia. A partial solar eclipse will also be visible for parts of eastern Australia, Oceania, Antarctica, Hawaii, Mexico, Central America, and the southwestern United States.
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.[3]
Event | Time (UTC) |
---|---|
First Penumbral External Contact | 2099 March 21 at 19:54:47.9 UTC |
First Umbral External Contact | 2099 March 21 at 21:03:08.8 UTC |
First Central Line | 2099 March 21 at 21:06:17.6 UTC |
First Umbral Internal Contact | 2099 March 21 at 21:09:27.2 UTC |
First Penumbral Internal Contact | 2099 March 21 at 22:37:38.5 UTC |
Equatorial Conjunction | 2099 March 21 at 22:27:57.2 UTC |
Ecliptic Conjunction | 2099 March 21 at 22:49:43.7 UTC |
Greatest Duration | 2099 March 21 at 22:54:15.0 UTC |
Greatest Eclipse | 2099 March 21 at 22:54:32.0 UTC |
Last Penumbral Internal Contact | 2099 March 21 at 23:12:04.5 UTC |
Last Umbral Internal Contact | 2099 March 22 at 00:39:54.6 UTC |
Last Central Line | 2099 March 22 at 00:43:02.6 UTC |
Last Umbral External Contact | 2099 March 22 at 00:46:09.5 UTC |
Last Penumbral External Contact | 2099 March 22 at 01:54:23.7 UTC |
Parameter | Value |
---|---|
Eclipse Magnitude | 0.93180 |
Eclipse Obscuration | 0.86826 |
Gamma | −0.40163 |
Sun Right Ascension | 00h06m00.9s |
Sun Declination | +00°39'05.5" |
Sun Semi-Diameter | 16'03.5" |
Sun Equatorial Horizontal Parallax | 08.8" |
Moon Right Ascension | 00h06m43.3s |
Moon Declination | +00°20'09.1" |
Moon Semi-Diameter | 14'45.5" |
Moon Equatorial Horizontal Parallax | 0°54'09.7" |
ΔT | 122.8 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.
March 21 Ascending node (new moon) | April 5 Descending node (full moon) |
---|---|
![]() | ![]() |
Annular solar eclipse Solar Saros 131 | Partial lunar eclipse Lunar Saros 143 |
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 June 2, 2095
- Followed by: Solar eclipse of January 8, 2103
Tzolkinex
- Preceded by: Solar eclipse of February 7, 2092
- Followed by: Solar eclipse of May 3, 2106
Half-Saros
- Preceded by: Lunar eclipse of March 15, 2090
- Followed by: Lunar eclipse of March 27, 2108
Tritos
- Preceded by: Solar eclipse of April 21, 2088
- Followed by: Solar eclipse of February 18, 2110
Solar Saros 131
- Preceded by: Solar eclipse of March 10, 2081
- Followed by: Solar eclipse of April 2, 2117
Inex
- Preceded by: Solar eclipse of April 11, 2070
- Followed by: Solar eclipse of March 1, 2128
Triad
- Preceded by: Solar eclipse of May 20, 2012
- Followed by: Solar eclipse of January 20, 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.[4]
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 131
This eclipse is a part of Saros series 131, repeating every 18 years, 11 days, and containing 70 events. The series started with a partial solar eclipse on August 1, 1125. It contains total eclipses from March 27, 1522 through May 30, 1612; hybrid eclipses from June 10, 1630 through July 24, 1702; and annular eclipses from August 4, 1720 through June 18, 2243. The series ends at member 70 as a partial eclipse on September 2, 2369. 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 28 at 58 seconds on May 30, 1612, and the longest duration of annularity was produced by member 50 at 7 minutes, 54 seconds on January 26, 2009. All eclipses in this series occur at the Moon’s ascending node of orbit.[5]
Series members 39–60 occur between 1801 and 2200: | ||
---|---|---|
39 | 40 | 41 |
![]() September 28, 1810 | ![]() October 9, 1828 | ![]() October 20, 1846 |
42 | 43 | 44 |
![]() October 30, 1864 | ![]() November 10, 1882 | ![]() November 22, 1900 |
45 | 46 | 47 |
![]() December 3, 1918 | ![]() December 13, 1936 | ![]() December 25, 1954 |
48 | 49 | 50 |
![]() January 4, 1973 | ![]() January 15, 1991 | ![]() January 26, 2009 |
51 | 52 | 53 |
![]() February 6, 2027 | ![]() February 16, 2045 | ![]() February 28, 2063 |
54 | 55 | 56 |
![]() March 10, 2081 | ![]() March 21, 2099 | ![]() April 2, 2117 |
57 | 58 | 59 |
![]() April 13, 2135 | ![]() April 23, 2153 | ![]() May 5, 2171 |
60 | ||
![]() May 15, 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 ascending node.
22 eclipse events between June 1, 2076 and October 27, 2163 | ||||
---|---|---|---|---|
June 1–3 | March 21–22 | January 7–8 | October 26–27 | August 14–15 |
119 | 121 | 123 | 125 | 127 |
![]() June 1, 2076 | ![]() March 21, 2080 | ![]() January 7, 2084 | ![]() October 26, 2087 | ![]() August 15, 2091 |
129 | 131 | 133 | 135 | 137 |
![]() June 2, 2095 | ![]() March 21, 2099 | ![]() January 8, 2103 | ![]() October 26, 2106 | ![]() August 15, 2110 |
139 | 141 | 143 | 145 | 147 |
![]() June 3, 2114 | ![]() March 22, 2118 | ![]() January 8, 2122 | ![]() October 26, 2125 | ![]() August 15, 2129 |
149 | 151 | 153 | 155 | 157 |
![]() June 3, 2133 | ![]() March 21, 2137 | ![]() January 8, 2141 | ![]() October 26, 2144 | ![]() August 14, 2148 |
159 | 161 | 163 | 165 | |
![]() June 3, 2152 | ![]() October 27, 2163 |
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 1837 and 2200 | ||||
---|---|---|---|---|
![]() April 5, 1837 (Saros 107) | ![]() March 5, 1848 (Saros 108) | ![]() February 3, 1859 (Saros 109) | ![]() December 2, 1880 (Saros 111) | |
![]() August 31, 1913 (Saros 114) | ![]() July 31, 1924 (Saros 115) | ![]() June 30, 1935 (Saros 116) | ||
![]() May 30, 1946 (Saros 117) | ![]() April 30, 1957 (Saros 118) | ![]() March 28, 1968 (Saros 119) | ![]() February 26, 1979 (Saros 120) | ![]() January 26, 1990 (Saros 121) |
![]() December 25, 2000 (Saros 122) | ![]() November 25, 2011 (Saros 123) | ![]() October 25, 2022 (Saros 124) | ![]() September 23, 2033 (Saros 125) | ![]() August 23, 2044 (Saros 126) |
![]() July 24, 2055 (Saros 127) | ![]() June 22, 2066 (Saros 128) | ![]() May 22, 2077 (Saros 129) | ![]() April 21, 2088 (Saros 130) | ![]() March 21, 2099 (Saros 131) |
![]() February 18, 2110 (Saros 132) | ![]() January 19, 2121 (Saros 133) | ![]() December 19, 2131 (Saros 134) | ![]() November 17, 2142 (Saros 135) | ![]() October 17, 2153 (Saros 136) |
![]() September 16, 2164 (Saros 137) | ![]() August 16, 2175 (Saros 138) | ![]() July 16, 2186 (Saros 139) | ![]() June 15, 2197 (Saros 140) |
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 | ||
---|---|---|
![]() October 9, 1809 (Saros 121) | ![]() September 18, 1838 (Saros 122) | ![]() August 29, 1867 (Saros 123) |
![]() August 9, 1896 (Saros 124) | ![]() July 20, 1925 (Saros 125) | ![]() June 30, 1954 (Saros 126) |
![]() June 11, 1983 (Saros 127) | ![]() May 20, 2012 (Saros 128) | ![]() April 30, 2041 (Saros 129) |
![]() April 11, 2070 (Saros 130) | ![]() March 21, 2099 (Saros 131) | ![]() March 1, 2128 (Saros 132) |
![]() February 9, 2157 (Saros 133) | ![]() January 20, 2186 (Saros 134) |
Notes
- ^ "March 21–22, 2099 Annular Solar Eclipse". timeanddate. Retrieved 25 August 2024.
- ^ "Moon Distances for London, United Kingdom, England". timeanddate. Retrieved 25 August 2024.
- ^ "Annular Solar Eclipse of 2099 Mar 21". 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 131". eclipse.gsfc.nasa.gov.
References
- Earth visibility chart and eclipse statistics Eclipse Predictions by Fred Espenak, NASA/GSFC
- Google interactive map
- Besselian elements
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