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March 1998 lunar eclipse

Penumbral lunar eclipse March 13, 1998 From Wikipedia, the free encyclopedia

March 1998 lunar eclipse
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A penumbral lunar eclipse occurred at the Moon’s ascending node of orbit on Friday, March 13, 1998,[1] with an umbral magnitude of −0.3824. A lunar eclipse occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened. A penumbral lunar eclipse occurs when part or all of the Moon's near side passes into the Earth's penumbra. Unlike a solar eclipse, which can only be viewed from a relatively small area of the world, a lunar eclipse may be viewed from anywhere on the night side of Earth. Occurring about 2.3 days before apogee (on March 15, 1998, at 12:40 UTC), the Moon's apparent diameter was smaller.[2]

Quick Facts Date, Gamma ...
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Visibility

The eclipse was completely visible over much of North America, South America, west Africa and western Europe, seen rising over northwestern North America and the central Pacific Ocean and setting over much of Europe, much of Africa, and west and central Asia.[3]

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Eclipse details

Shown below is a table displaying details about this particular solar eclipse. It describes various parameters pertaining to this eclipse.[4]

More information Parameter, Value ...
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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.

More information February 26Descending node (new moon), March 13Ascending node (full moon) ...
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Eclipses in 1998

Metonic

Tzolkinex

Half-Saros

Tritos

Lunar Saros 142

Inex

Triad

  • Preceded by: Lunar eclipse of May 13, 1911
  • Followed by: Lunar eclipse of January 10, 2085

Lunar eclipses of 1995–1998

This eclipse is a member of a semester series. An eclipse in a semester series of lunar eclipses repeats approximately every 177 days and 4 hours (a semester) at alternating nodes of the Moon's orbit.[5]

The penumbral lunar eclipse on August 8, 1998 occurs in the next lunar year eclipse set.

More information Lunar eclipse series sets from 1995 to 1998, Ascending node ...

Saros 142

This eclipse is a part of Saros series 142, repeating every 18 years, 11 days, and containing 73 events. The series started with a penumbral lunar eclipse on September 19, 1709. It contains partial eclipses from May 5, 2088 through July 10, 2196; total eclipses from July 22, 2214 through April 21, 2665; and a second set of partial eclipses from May 3, 2683 through July 29, 2827. The series ends at member 73 as a penumbral eclipse on November 17, 3007.

The longest duration of totality will be produced by member 34 at 103 minutes, 54 seconds on September 15, 2304. All eclipses in this series occur at the Moon’s ascending node of orbit.[6]

More information Greatest, First ...

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.

More information Series members 7–28 occur between 1801 and 2200: ...

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.

More information Series members between 1801 and 2183 ...

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.

More information Series members between 1801 and 2200 ...

Half-Saros cycle

A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros).[8] This lunar eclipse is related to two partial solar eclipses of Solar Saros 149.

March 7, 1989 March 19, 2007
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See also

References

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