Solar eclipse of May 1, 2079

A total solar eclipse will occur on 1 May, 2079, with a maximum eclipse at 10:48:25.6 UTC (10:50:12.8 TD). 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 total solar eclipse occurs when the Moon's apparent diameter is larger than the Sun's, blocking all direct sunlight, turning day into darkness. Totality occurs in a narrow path across Earth's surface, with the partial solar eclipse visible over a surrounding region thousands of kilometres wide. The eclipse will be visible in Greenland, parts of eastern Canada (including Newfoundland and Labrador, New Brunswick, Nova Scotia and Prince Edward Island) and parts of the northeastern United States (including Maine, New Hampshire, Vermont, Connecticut, Rhode Island, Massachusetts, New York, Pennsylvania and New Jersey). The tables below contain detailed predictions and additional information on the Total Solar Eclipse of 1 May 2079.

Solar eclipse of May 1, 2079
Map
Type of eclipse
NatureTotal
Gamma0.9081
Magnitude1.0512
Maximum eclipse
Duration175 sec (2 m 55 s)
Coordinates66.2°N 46.3°W / 66.2; -46.3
Max. width of band406 km (252 mi)
Times (UTC)
Greatest eclipse10:50:13
References
Saros149 (24 of 71)
Catalog # (SE5000)9685

Delta T: 1 minute, 47.3 seconds

Eclipse Magnitude = 1.05116

Eclipse Obscuration = 1.10494

Gamma = 0.90808

Greatest Eclipse = 01 May 2079 10:48:25.6 UTC (10:50:12.8 AT)

Sun right ascension = 2 hours, 35 minutes, 18.8 seconds

Sun declination = 15 degrees, 12 minutes, 6.8 seconds north of the Celestial Equator

Moon right ascension = 2 hours, 33 minutes, 47.0 seconds

Moon declination = 16 degrees, 2 minutes, 36.5 seconds north of the Celestial Equator

Sun diameter = 1905.2 arcseconds

Moon diameter = 1989.4 arcseconds

Path Width at Greatest Eclipse = 405.7 km (252.1 mi)

Path Width at Greatest Duration = 404.8 km (251.5 mi)

Totality at Greatest Eclipse = 2 minutes, 54 seconds, 910 milliseconds

Totality at Greatest Duration = 2 minutes, 54 seconds, 920 milliseconds

Solar eclipses 2076–2079

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]

Saros 149

Solar saros 149, repeating every about 18 years and 11 days, contains 71 events. The series started with a partial solar eclipse on August 21, 1664. It has total eclipses from April 9, 2043, to October 2, 2331. The series ends at member 71 as a partial eclipse on September 28, 2926. The longest total eclipse will be on July 17, 2205, at 4 minutes and 10 seconds.[2]

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. In the 19th century:

• Solar Saros 140: Total Solar Eclipse of 1818 Oct 29

• Solar Saros 141: Annular Solar Eclipse of 1847 Oct 09

• Solar Saros 142: Total Solar Eclipse of 1876 Sep 17

In the 22nd century:

Solar Saros 150: Partial Solar Eclipse of 2108 Apr 11

Solar Saros 151: Annular Solar Eclipse of 2137 Mar 21

Solar Saros 152: Total Solar Eclipse of 2166 Mar 02

Solar Saros 153: Annular Solar Eclipse of 2195 Feb 10

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.

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.

Notes
  1. 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.
  2. Saros Series Catalog of Solar Eclipses NASA Eclipse Web Site.

References
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