A partial solar eclipse occurred at the Moon's descending node of orbit on Wednesday, October 7, 1801, with a magnitude of 0.3505. 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.

The partial solar eclipse was visible for parts of modern-day New Zealand and Antarctica.

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.

October 7, 1801 Solar Eclipse Times
EventTime (UTC)
First Penumbral External Contact1801 October 7 at 18:16:51.9 UTC
Greatest Eclipse1801 October 7 at 19:42:33.8 UTC
Ecliptic Conjunction1801 October 7 at 19:57:06.5 UTC
Equatorial Conjunction1801 October 7 at 21:04:25.4 UTC
Last Penumbral External Contact1801 October 7 at 21:07:38.1 UTC
October 7, 1801 Solar Eclipse Parameters
ParameterValue
Eclipse Magnitude0.35050
Eclipse Obscuration0.23316
Gamma−1.35518
Sun Right Ascension12h51m43.2s
Sun Declination-05°32'55.4"
Sun Semi-Diameter16'01.2"
Sun Equatorial Horizontal Parallax08.8"
Moon Right Ascension12h49m16.8s
Moon Declination-06°40'26.2"
Moon Semi-Diameter15'27.7"
Moon Equatorial Horizontal Parallax0°56'44.6"
ΔT12.8 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. The first and last eclipse in this sequence is separated by one synodic month.

Eclipse season of September–October 1801
September 8 Descending node (new moon)September 22 Ascending node (full moon)October 7 Descending node (new moon)
Partial solar eclipse Solar Saros 112Total lunar eclipse Lunar Saros 124Partial solar eclipse Solar Saros 150

Related eclipses

Eclipses in 1801

Metonic

  • Preceded by: Solar eclipse of December 18, 1797
  • Followed by: Solar eclipse of July 26, 1805

Tzolkinex

  • Preceded by: Solar eclipse of August 25, 1794
  • Followed by: Solar eclipse of November 18, 1808

Half-Saros

  • Preceded by: Lunar eclipse of September 30, 1792
  • Followed by: Lunar eclipse of October 12, 1810

Tritos

  • Preceded by: Solar eclipse of November 6, 1790
  • Followed by: Solar eclipse of September 5, 1812

Solar Saros 150

Inex

  • Preceded by: Solar eclipse of October 26, 1772
  • Followed by: Solar eclipse of September 17, 1830

Triad

  • Preceded by: Solar eclipse of December 7, 1714
  • Followed by: Solar eclipse of August 7, 1888

Solar eclipses of 1798–1801

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.

The partial solar eclipses on [h] occur in the previous lunar year eclipse set, and the partial solar eclipses on March 14, 1801 and September 8, 1801 occur in the next lunar year eclipse set.

Solar eclipse series sets from 1798 to 1801
Ascending nodeDescending node
SarosMapGammaSarosMapGamma
115May 15, 1798 Annular−0.8744120November 8, 1798 Total0.8270
125May 5, 1799 Annular−0.1310130October 28, 1799 Total0.1274
135April 24, 1800 Annular0.6125140October 18, 1800 Total−0.5787
145April 13, 1801 Partial1.3152150October 7, 1801 Partial−1.3552

Saros 150

This eclipse is a part of Saros series 150, repeating every 18 years, 11 days, and containing 71 events. The series started with a partial solar eclipse on August 24, 1729. It contains annular eclipses from April 22, 2126 through June 22, 2829. There are no hybrid or total eclipses in this set. The series ends at member 71 as a partial eclipse on September 29, 2991. 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 45 at 9 minutes, 58 seconds on December 19, 2522. All eclipses in this series occur at the Moon’s descending node of orbit.

Series members 5–27 occur between 1801 and 2200:
567
October 7, 1801October 19, 1819October 29, 1837
8910
November 9, 1855November 20, 1873December 1, 1891
111213
December 12, 1909December 24, 1927January 3, 1946
141516
January 14, 1964January 25, 1982February 5, 2000
171819
February 15, 2018February 27, 2036March 9, 2054
202122
March 19, 2072March 31, 2090April 11, 2108
232425
April 22, 2126May 3, 2144May 14, 2162
2627
May 24, 2180June 4, 2198

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.

2 eclipse events between October 7, 1801 and July 26, 1805
October 7July 26
150152
October 7, 1801July 26, 1805

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 1823
October 7, 1801 (Saros 150)September 5, 1812 (Saros 151)August 6, 1823 (Saros 152)

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 1946
October 7, 1801 (Saros 150)September 17, 1830 (Saros 151)August 28, 1859 (Saros 152)
August 7, 1888 (Saros 153)July 19, 1917 (Saros 154)June 29, 1946 (Saros 155)

See also

External links