Solar eclipse of October 31, 1902

Solar eclipse of October 31, 1902
Map
Type of eclipse
Nature	Partial
Gamma	1.1556
Magnitude	0.696
Maximum eclipse
Coordinates	70°48′N100°48′E / 70.8°N 100.8°E / 70.8; 100.8
Times (UTC)
Greatest eclipse	8:00:18
References
Saros	151 (8 of 72)
Catalog # (SE5000)	9287

A partial solar eclipse occurred at the Moon's ascending node of orbit on Friday, October 31, 1902, ^{[1] [2]} with a magnitude of 0.696. 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.

A partial eclipse was visible for parts of Northern Europe, Eastern Europe, the northern Middle East, South Asia, East Asia, and North Asia.

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]

October 31, 1902 Solar Eclipse Times

Event	Time (UTC)
First Penumbral External Contact	1902 October 31 at 05:58:33.8 UTC
Equatorial Conjunction	1902 October 31 at 07:28:17.6 UTC
Greatest Eclipse	1902 October 31 at 08:00:17.5 UTC
Ecliptic Conjunction	1902 October 31 at 08:13:32.8 UTC
Last Penumbral External Contact	1902 October 31 at 10:02:20.8 UTC

October 31, 1902 Solar Eclipse Parameters

Parameter	Value
Eclipse Magnitude	0.69599
Eclipse Obscuration	0.60451
Gamma	1.15559
Sun Right Ascension	14h18m29.8s
Sun Declination	-13°50'43.3"
Sun Semi-Diameter	16'06.8"
Sun Equatorial Horizontal Parallax	08.9"
Moon Right Ascension	14h19m30.7s
Moon Declination	-12°48'43.6"
Moon Semi-Diameter	15'04.1"
Moon Equatorial Horizontal Parallax	0°55'18.1"
ΔT	1.0 s

Eclipse season

See also: Eclipse cycle

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 October 1902

October 17 Descending node (full moon)	October 31 Ascending node (new moon)
Total lunar eclipse Lunar Saros 125	Partial solar eclipse Solar Saros 151

Related eclipses

Eclipses in 1902

• A partial solar eclipse on April 8.
• A total lunar eclipse on April 22.
• A partial solar eclipse on May 7.
• A total lunar eclipse on October 17.
• A partial solar eclipse on October 31.

Metonic

• Preceded by: Solar eclipse of January 11, 1899
• Followed by: Solar eclipse of August 20, 1906

Tzolkinex

• Preceded by: Solar eclipse of September 18, 1895
• Followed by: Solar eclipse of December 12, 1909

Half-Saros

• Preceded by: Lunar eclipse of October 25, 1893
• Followed by: Lunar eclipse of November 6, 1911

Tritos

• Preceded by: Solar eclipse of December 1, 1891
• Followed by: Solar eclipse of September 30, 1913

Solar Saros 151

• Preceded by: Solar eclipse of October 19, 1884
• Followed by: Solar eclipse of November 10, 1920

Inex

• Preceded by: Solar eclipse of November 20, 1873
• Followed by: Solar eclipse of October 11, 1931

Triad

• Preceded by: Solar eclipse of December 30, 1815
• Followed by: Solar eclipse of August 31, 1989

Solar eclipses of 1898–1902

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 April 8, 1902 occurs in the next lunar year eclipse set.

Solar eclipse series sets from 1898 to 1902
Ascending node				Descending node
Saros	Map	Gamma		Saros	Map	Gamma
111	December 13, 1898 Partial	−1.5252		116	June 8, 1899 Partial	1.2089
121	December 3, 1899 Annular	−0.9061		126	May 28, 1900 Total	0.3943
131	November 22, 1900 Annular	−0.2245		136	May 18, 1901 Total	−0.3626
141	November 11, 1901 Annular	0.4758		146	May 7, 1902 Partial	−1.0831
151	October 31, 1902 Partial	1.1556

Saros 151

This eclipse is a part of Saros series 151, repeating every 18 years, 11 days, and containing 72 events. The series started with a partial solar eclipse on August 14, 1776. It contains annular eclipses from February 28, 2101 through April 23, 2191; a hybrid eclipse on May 5, 2209; and total eclipses from May 16, 2227 through July 6, 2912. The series ends at member 72 as a partial eclipse on October 1, 3056. 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 will be produced by member 19 at 2 minutes, 44 seconds on February 28, 2101, and the longest duration of totality will be produced by member 60 at 5 minutes, 41 seconds on May 22, 2840. All eclipses in this series occur at the Moon’s ascending node of orbit. ^[5]

Series members 3–24 occur between 1801 and 2200:
3	4	5
September 5, 1812	September 17, 1830	September 27, 1848
6	7	8
October 8, 1866	October 19, 1884	October 31, 1902
9	10	11
November 10, 1920	November 21, 1938	December 2, 1956
12	13	14
December 13, 1974	December 24, 1992	January 4, 2011
15	16	17
January 14, 2029	January 26, 2047	February 5, 2065
18	19	20
February 16, 2083	February 28, 2101	March 11, 2119
21	22	23
March 21, 2137	April 2, 2155	April 12, 2173
24
April 23, 2191

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.

24 eclipse events between March 25, 1819 and August 20, 1906
March 25–26	January 11–12	October 30–31	August 18–20	June 6–7
107	109	111	113	115
March 25, 1819	January 12, 1823	October 31, 1826	August 18, 1830	June 7, 1834
117	119	121	123	125
March 25, 1838	January 11, 1842	October 30, 1845	August 18, 1849	June 6, 1853
127	129	131	133	135
March 25, 1857	January 11, 1861	October 30, 1864	August 18, 1868	June 6, 1872
137	139	141	143	145
March 25, 1876	January 11, 1880	October 30, 1883	August 19, 1887	June 6, 1891
147	149	151	153
March 26, 1895	January 11, 1899	October 31, 1902	August 20, 1906

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 1946
August 5, 1804 (Saros 142)	July 6, 1815 (Saros 143)	June 5, 1826 (Saros 144)	May 4, 1837 (Saros 145)	April 3, 1848 (Saros 146)
March 4, 1859 (Saros 147)	January 31, 1870 (Saros 148)	December 31, 1880 (Saros 149)	December 1, 1891 (Saros 150)	October 31, 1902 (Saros 151)
September 30, 1913 (Saros 152)	August 30, 1924 (Saros 153)	July 30, 1935 (Saros 154)	June 29, 1946 (Saros 155)

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
December 30, 1815 (Saros 148)	December 9, 1844 (Saros 149)	November 20, 1873 (Saros 150)
October 31, 1902 (Saros 151)	October 11, 1931 (Saros 152)	September 20, 1960 (Saros 153)
August 31, 1989 (Saros 154)	August 11, 2018 (Saros 155)	July 22, 2047 (Saros 156)
July 1, 2076 (Saros 157)	June 12, 2105 (Saros 158)	May 23, 2134 (Saros 159)
	April 12, 2192 (Saros 161)

Notes

1. "October 31, 1902 Partial Solar Eclipse". timeanddate. Retrieved 30 July 2024.
2. "Eclipse". The Bourbon News. Paris, Kentucky. 1902-10-31. p. 5. Retrieved 2023-10-27– via Newspapers.com.
3. "Partial Solar Eclipse of 1902 Oct 31". EclipseWise.com. Retrieved 30 July 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 151". eclipse.gsfc.nasa.gov.

References

• Earth visibility chart and eclipse statistics Eclipse Predictions by Fred Espenak, NASA/GSFC
  • Besselian elements