Solar eclipse of April 8, 1959

Last updated
Solar eclipse of April 8, 1959
SE1959Apr08A.png
Map
Type of eclipse
NatureAnnular
Gamma -0.4546
Magnitude 0.9401
Maximum eclipse
Duration446 sec (7 m 26 s)
Coordinates 19°06′S137°36′E / 19.1°S 137.6°E / -19.1; 137.6
Max. width of band247 km (153 mi)
Times (UTC)
Greatest eclipse3:24:08
References
Saros 138 (28 of 70)
Catalog # (SE5000) 9418

An annular solar eclipse occurred on April 8, 1959. 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. Annularity was visible from Australia, southeastern tip of Milne Bay Province in the Territory of Papua New Guinea (today's Papua New Guinea), British Solomon Islands (today's Solomon Islands), Gilbert and Ellice Islands (the part now belonging to Tuvalu), Tokelau, and Swains Island in American Samoa.

Contents

Solar eclipses of 1957–1960

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]

Solar eclipse series sets from 1957–1960
Descending node Ascending node
SarosMapSarosMap
118 SE1957Apr30A.png
1957 April 30
Annular (non-central)
123 SE1957Oct23T.png
1957 October 23
Total (non-central)
128 SE1958Apr19A.png
1958 April 19
Annular
133 SE1958Oct12T.png
1958 October 12
Total
138 SE1959Apr08A.png
1959 April 8
Annular
143 SE1959Oct02T.png
1959 October 2
Total
148 SE1960Mar27P.png
1960 March 27
Partial
153 SE1960Sep20P.png
1960 September 20
Partial

Saros 138

It is a part of Saros cycle 138, repeating every 18 years, 11 days, containing 70 events. The series started with partial solar eclipse on June 6, 1472. It contains annular eclipses from August 31, 1598, through February 18, 2482 with a hybrid eclipse on March 1, 2500. It has total eclipses from March 12, 2518, through April 3, 2554. The series ends at member 70 as a partial eclipse on July 11, 2716. The longest duration of totality will be only 56 seconds on April 3, 2554.

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.

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.

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).

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.

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References