Solar eclipse of August 28, 1802

Last updated
Solar eclipse of August 28, 1802
SE1802Aug28A.png
Map
Type of eclipse
NatureAnnular
Gamma 0.7569
Magnitude 0.9367
Maximum eclipse
Duration335 s (5 min 35 s)
Coordinates 51°18′N105°42′E / 51.3°N 105.7°E / 51.3; 105.7
Max. width of band354 km (220 mi)
Times (UTC)
Greatest eclipse7:12:00
References
Saros 122 (46 of 70)
Catalog # (SE5000) 9046

An annular solar eclipse occurred at the Moon's descending node of orbit on Saturday, August 28, 1802, with a magnitude of 0.9367. 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 only about 3 hours after apogee (on August 28, 1802, at 4:30 UTC), the Moon's apparent diameter was smaller. [1]

Contents

The path of annularity was visible from parts of modern-day Greenland, Svalbard, Russia, Mongolia, China, and the Ryukyu Islands. A partial solar eclipse was also visible for parts of Greenland, northern Canada, Europe, Asia, and western Alaska. [2]

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]

August 28, 1802 Solar Eclipse Times
EventTime (UTC)
First Penumbral External Contact1802 August 28 at 04:29:10.1 UTC
First Umbral External Contact1802 August 28 at 05:51:01.7 UTC
First Central Line1802 August 28 at 05:54:53.7 UTC
First Umbral Internal Contact1802 August 28 at 05:58:52.8 UTC
Equatorial Conjunction1802 August 28 at 06:26:04.0 UTC
Ecliptic Conjunction1802 August 28 at 07:02:59.7 UTC
Greatest Duration1802 August 28 at 07:06:10.3 UTC
Greatest Eclipse1802 August 28 at 07:11:59.6 UTC
Last Umbral Internal Contact1802 August 28 at 08:25:35.5 UTC
Last Central Line1802 August 28 at 08:29:33.9 UTC
Last Umbral External Contact1802 August 28 at 08:33:25.4 UTC
Last Penumbral External Contact1802 August 28 at 09:55:07.2 UTC
August 28, 1802 Solar Eclipse Parameters
ParameterValue
Eclipse Magnitude0.93666
Eclipse Obscuration0.87733
Gamma0.75685
Sun Right Ascension10h24m22.1s
Sun Declination+09°58'43.3"
Sun Semi-Diameter15'50.6"
Sun Equatorial Horizontal Parallax08.7"
Moon Right Ascension10h25m37.4s
Moon Declination+10°34'58.3"
Moon Semi-Diameter14'41.9"
Moon Equatorial Horizontal Parallax0°53'56.6"
ΔT12.6 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 August–September 1802
August 28
Descending node (new moon)
September 11
Ascending node (full moon)
SE1802Aug28A.png
Annular solar eclipse
Solar Saros 122
Partial lunar eclipse
Lunar Saros 134

Eclipses in 1802

Metonic

Tzolkinex

Half-Saros

Tritos

Solar Saros 122

Inex

Triad

Solar eclipses of 1801–1805

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 eclipses on April 13, 1801 and October 7, 1801 occur in the previous lunar year eclipse set, and the solar eclipses on January 1, 1805 (partial); June 26, 1805 (partial); and December 21, 1805 (annular) occur in the next lunar year eclipse set.

Solar eclipse series sets from 1801 to 1805
Ascending node Descending node
SarosMapGammaSarosMapGamma
107March 14, 1801
SE1801Mar14P.png
Partial
−1.4434112 September 8, 1801
SE1801Sep08P.png
Partial
1.4657
117 March 4, 1802
SE1802Mar04T.png
Total
−0.6943122 August 28, 1802
SE1802Aug28A.png
Annular
0.7569
127 February 21, 1803
SE1803Feb21T.png
Total
−0.0075132 August 17, 1803
SE1803Aug17A.png
Annular
−0.0048
137February 11, 1804
SE1804Feb11H.png
Hybrid
0.7053142August 5, 1804
SE1804Aug05T.gif
Total
−0.7622
147January 30, 1805
SE1805Jan30P.gif
Partial
1.4651152July 26, 1805
SE1805Jul26Pb.gif
Partial
−1.4571

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. [5]

Series members 46–68 occur between 1801 and 2200:
464748
SE1802Aug28A.png
August 28, 1802
SE1820Sep07A.gif
September 7, 1820
SE1838Sep18A.gif
September 18, 1838
495051
SE1856Sep29A.gif
September 29, 1856
SE1874Oct10An.gif
October 10, 1874
SE1892Oct20P.gif
October 20, 1892
525354
SE1910Nov02P.png
November 2, 1910
SE1928Nov12P.png
November 12, 1928
SE1946Nov23P.png
November 23, 1946
555657
SE1964Dec04P.png
December 4, 1964
SE1982Dec15P.png
December 15, 1982
SE2000Dec25P.png
December 25, 2000
585960
SE2019Jan06P.png
January 6, 2019
SE2037Jan16P.png
January 16, 2037
SE2055Jan27P.png
January 27, 2055
616263
SE2073Feb07P.png
February 7, 2073
SE2091Feb18P.png
February 18, 2091
Saros122 63van70 SE2109Mar01P.jpg
March 1, 2109
646566
Saros122 64van70 SE2127Mar13P.jpg
March 13, 2127
Saros122 65van70 SE2145Mar23P.jpg
March 23, 2145
Saros122 66van70 SE2163Apr03P.jpg
April 3, 2163
6768
Saros122 67van70 SE2181Apr14P.jpg
April 14, 2181
Saros122 68van70 SE2199Apr25P.jpg
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.

24 eclipse events between August 28, 1802 and August 28, 1859
August 27–28June 16April 3–4January 20–21November 9
122124126128130
SE1802Aug28A.png
August 28, 1802
SE1806Jun16T.png
June 16, 1806
SE1810Apr04A.gif
April 4, 1810
SE1814Jan21A.gif
January 21, 1814
SE1817Nov09T.gif
November 9, 1817
132134136138140
SE1821Aug27A.gif
August 27, 1821
SE1825Jun16H.gif
June 16, 1825
SE1829Apr03T.gif
April 3, 1829
SE1833Jan20A.gif
January 20, 1833
SE1836Nov09T.gif
November 9, 1836
142144146148150
SE1840Aug27T.gif
August 27, 1840
SE1844Jun16P.gif
June 16, 1844
SE1848Apr03P.png
April 3, 1848
SE1852Jan21P.png
January 21, 1852
SE1855Nov09P.gif
November 9, 1855
152
SE1859Aug28P.gif
August 28, 1859

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
SE1802Aug28A.png
August 28, 1802
(Saros 122)
SE1813Jul27T.gif
July 27, 1813
(Saros 123)
SE1824Jun26T.png
June 26, 1824
(Saros 124)
SE1835May27A.gif
May 27, 1835
(Saros 125)
SE1846Apr25H.gif
April 25, 1846
(Saros 126)
SE1857Mar25T.png
March 25, 1857
(Saros 127)
SE1868Feb23A.gif
February 23, 1868
(Saros 128)
SE1879Jan22A.gif
January 22, 1879
(Saros 129)
SE1889Dec22T.png
December 22, 1889
(Saros 130)
SE1900Nov22A.png
November 22, 1900
(Saros 131)
SE1911Oct22A.png
October 22, 1911
(Saros 132)
SE1922Sep21T.png
September 21, 1922
(Saros 133)
SE1933Aug21A.png
August 21, 1933
(Saros 134)
SE1944Jul20A.png
July 20, 1944
(Saros 135)
SE1955Jun20T.png
June 20, 1955
(Saros 136)
SE1966May20A.png
May 20, 1966
(Saros 137)
SE1977Apr18A.png
April 18, 1977
(Saros 138)
SE1988Mar18T.png
March 18, 1988
(Saros 139)
SE1999Feb16A.png
February 16, 1999
(Saros 140)
SE2010Jan15A.png
January 15, 2010
(Saros 141)
SE2020Dec14T.png
December 14, 2020
(Saros 142)
SE2031Nov14H.png
November 14, 2031
(Saros 143)
SE2042Oct14A.png
October 14, 2042
(Saros 144)
SE2053Sep12T.png
September 12, 2053
(Saros 145)
SE2064Aug12T.png
August 12, 2064
(Saros 146)
SE2075Jul13A.png
July 13, 2075
(Saros 147)
SE2086Jun11T.png
June 11, 2086
(Saros 148)
SE2097May11T.png
May 11, 2097
(Saros 149)
Saros150 22van71 SE2108Apr11P.jpg
April 11, 2108
(Saros 150)
Saros151 20van72 SE2119Mar11A.jpg
March 11, 2119
(Saros 151)
Saros152 19van70 SE2130Feb08T.jpg
February 8, 2130
(Saros 152)
SE2141Jan08A.png
January 8, 2141
(Saros 153)
Saros154 14van71 SE2151Dec08A.jpg
December 8, 2151
(Saros 154)
Saros155 14van71 SE2162Nov07T.jpg
November 7, 2162
(Saros 155)
Saros156 10van69 SE2173Oct07A.jpg
October 7, 2173
(Saros 156)
SE2184Sep04A.png
September 4, 2184
(Saros 157)
Saros158 08van70 SE2195Aug05T.jpg
August 5, 2195
(Saros 158)

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
SE1802Aug28A.png
August 28, 1802
(Saros 122)
SE1831Aug07T.gif
August 7, 1831
(Saros 123)
SE1860Jul18T.png
July 18, 1860
(Saros 124)
SE1889Jun28A.png
June 28, 1889
(Saros 125)
SE1918Jun08T.png
June 8, 1918
(Saros 126)
SE1947May20T.png
May 20, 1947
(Saros 127)
SE1976Apr29A.png
April 29, 1976
(Saros 128)
SE2005Apr08H.png
April 8, 2005
(Saros 129)
SE2034Mar20T.png
March 20, 2034
(Saros 130)
SE2063Feb28A.png
February 28, 2063
(Saros 131)
SE2092Feb07A.png
February 7, 2092
(Saros 132)
SE2121Jan19T.png
January 19, 2121
(Saros 133)
SE2149Dec30A.png
December 30, 2149
(Saros 134)
SE2178Dec09A.png
December 9, 2178
(Saros 135)

See also

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References

  1. "Moon Distances for London, United Kingdom, England". timeanddate. Retrieved 28 September 2024.
  2. "Solar eclipse of August 28, 1802". NASA . Retrieved June 15, 2012.
  3. "Annular Solar Eclipse of 1802 Aug 28". EclipseWise.com. Retrieved 28 September 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 122". eclipse.gsfc.nasa.gov.