Solar eclipse of March 18, 1988
Template:Short description Script error: No such module "Solar eclipse". A total solar eclipse occurred at the Moon's ascending node of orbit between Thursday, March 17 and Friday, March 18, 1988,[1] with a magnitude of 1.0464. 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. Occurring only 1.1 days after perigee (on March 16, 1988, at 20:30 UTC), the Moon's apparent diameter was larger.[2]
Totality was visible in Indonesia and southern Philippines. A partial eclipse was visible for parts of South Asia, Southeast Asia, East Asia, Northeast Asia, Australia, and Alaska.
Observation
The tourism office of the General Santos City government in the Philippines promoted it as a big tourism event. Hordes of scientists, astronomers, journalists, TV crews and tourists from all over the globe observed the totality from there. Then President of the Philippines Corazon Aquino also joined in to experience the event.[3]
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.[4]
| Event | Time (UTC) |
|---|---|
| First Penumbral External Contact | 1988 March 17 at 23:24:58.4 UTC |
| First Umbral External Contact | 1988 March 18 at 00:23:32.6 UTC |
| First Central Line | 1988 March 18 at 00:24:27.6 UTC |
| First Umbral Internal Contact | 1988 March 18 at 00:25:22.6 UTC |
| First Penumbral Internal Contact | 1988 March 18 at 01:38:59.5 UTC |
| Greatest Duration | 1988 March 18 at 01:57:26.1 UTC |
| Greatest Eclipse | 1988 March 18 at 01:58:56.4 UTC |
| Ecliptic Conjunction | 1988 March 18 at 02:03:15.6 UTC |
| Equatorial Conjunction | 1988 March 18 at 02:23:10.7 UTC |
| Last Penumbral Internal Contact | 1988 March 18 at 02:18:20.1 UTC |
| Last Umbral Internal Contact | 1988 March 18 at 03:32:16.8 UTC |
| Last Central Line | 1988 March 18 at 03:33:10.6 UTC |
| Last Umbral External Contact | 1988 March 18 at 03:34:04.3 UTC |
| Last Penumbral External Contact | 1988 March 18 at 04:32:47.6 UTC |
| Parameter | Value |
|---|---|
| Eclipse Magnitude | 1.04640 |
| Eclipse Obscuration | 1.09496 |
| Gamma | 0.41879 |
| Sun Right Ascension | 23h51m32.0s |
| Sun Declination | -00°55'03.0" |
| Sun Semi-Diameter | 16'04.1" |
| Sun Equatorial Horizontal Parallax | 08.8" |
| Moon Right Ascension | 23h50m42.6s |
| Moon Declination | -00°32'52.0" |
| Moon Semi-Diameter | 16'33.4" |
| Moon Equatorial Horizontal Parallax | 1°00'45.8" |
| ΔT | 55.9 s |
Eclipse season
Script error: No such module "Labelled list hatnote". 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.
| March 3 Descending node (full moon) |
March 18 Ascending node (new moon) |
|---|---|
| File:Lunar eclipse chart close-1988Mar03.png | File:SE1988Mar18T.png |
| Penumbral lunar eclipse Lunar Saros 113 |
Total solar eclipse Solar Saros 139 |
Related eclipses
Eclipses in 1988
- A penumbral lunar eclipse on March 3.
- A total solar eclipse on March 18.
- A partial lunar eclipse on August 27.
- An annular solar eclipse on September 11.
Metonic
- Preceded by: Solar eclipse of May 30, 1984
- Followed by: Solar eclipse of January 4, 1992
Tzolkinex
- Preceded by: Solar eclipse of February 4, 1981
- Followed by: Solar eclipse of April 29, 1995
Half-Saros
- Preceded by: Lunar eclipse of March 13, 1979
- Followed by: Lunar eclipse of March 24, 1997
Tritos
- Preceded by: Solar eclipse of April 18, 1977
- Followed by: Solar eclipse of February 16, 1999
Solar Saros 139
- Preceded by: Solar eclipse of March 7, 1970
- Followed by: Solar eclipse of March 29, 2006
Inex
- Preceded by: Solar eclipse of April 8, 1959
- Followed by: Solar eclipse of February 26, 2017
Triad
- Preceded by: Solar eclipse of May 18, 1901
- Followed by: Solar eclipse of January 16, 2075
Solar eclipses of 1986–1989
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.[5]
| Solar eclipse series sets from 1986 to 1989 | ||||||
|---|---|---|---|---|---|---|
| Ascending node | Descending node | |||||
| Saros | Map | Gamma | Saros | Map | Gamma | |
| 119 | April 9, 1986 File:SE1986Apr09P.png Partial |
−1.0822 | 124 | October 3, 1986 File:SE1986Oct03H.png Hybrid |
0.9931 | |
| 129 | March 29, 1987 File:SE1987Mar29H.png Hybrid |
−0.3053 | 134 | September 23, 1987 File:SE1987Sep23A.png Annular |
0.2787 | |
| 139 | March 18, 1988 File:SE1988Mar18T.png Total |
0.4188 | 144 | September 11, 1988 File:SE1988Sep11A.png Annular |
−0.4681 | |
| 149 | March 7, 1989 File:SE1989Mar07P.png Partial |
1.0981 | 154 | August 31, 1989 File:SE1989Aug31P.png Partial |
−1.1928 | |
Saros 139
This eclipse is a part of Saros series 139, repeating every 18 years, 11 days, and containing 71 events. The series started with a partial solar eclipse on May 17, 1501. It contains hybrid eclipses from August 11, 1627 through December 9, 1825 and total eclipses from December 21, 1843 through March 26, 2601. There are no annular eclipses in this set. The series ends at member 71 as a partial eclipse on July 3, 2763. 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 totality will be produced by member 61 at 7 minutes, 29.22 seconds on July 16, 2186. This date is the longest solar eclipse computed between 4000 BC and AD 6000.[6] All eclipses in this series occur at the Moon’s ascending node of orbit.[7]
| Series members 18–39 occur between 1801 and 2200: | ||
|---|---|---|
| 18 | 19 | 20 |
| File:SE1807Nov29H.png November 29, 1807 |
File:SE1825Dec09H.png December 9, 1825 |
File:SE1843Dec21T.png December 21, 1843 |
| 21 | 22 | 23 |
| File:SE1861Dec31T.png December 31, 1861 |
File:SE1880Jan11T.png January 11, 1880 |
File:SE1898Jan22T.png January 22, 1898 |
| 24 | 25 | 26 |
| File:SE1916Feb03T.png February 3, 1916 |
File:SE1934Feb14T.png February 14, 1934 |
File:SE1952Feb25T.png February 25, 1952 |
| 27 | 28 | 29 |
| File:SE1970Mar07T.png March 7, 1970 |
File:SE1988Mar18T.png March 18, 1988 |
File:SE2006Mar29T.png March 29, 2006 |
| 30 | 31 | 32 |
| File:SE2024Apr08T.png April 8, 2024 |
File:SE2042Apr20T.png April 20, 2042 |
File:SE2060Apr30T.png April 30, 2060 |
| 33 | 34 | 35 |
| File:SE2078May11T.png May 11, 2078 |
File:SE2096May22T.png May 22, 2096 |
File:SE2114Jun03T.png June 3, 2114 |
| 36 | 37 | 38 |
| File:SE2132Jun13T.png June 13, 2132 |
File:SE2150Jun25T.png June 25, 2150 |
File:SE2168Jul05T.png July 5, 2168 |
| 39 | ||
| File:SE2186Jul16T.png July 16, 2186 | ||
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.
Tritos series
Template:Solar Tritos series 2010 January 15
Inex series
Template:Solar Inex series 2017 February 26
References
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- ↑ Script error: No such module "citation/CS1".
- ↑ Ten Millennium Catalog of Long Solar Eclipses, −3999 to +6000 (4000 BCE to 6000 CE) Fred Espenak.
- ↑ Script error: No such module "citation/CS1".
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External links
- Earth visibility chart and eclipse statistics Eclipse Predictions by Fred Espenak, NASA/GSFC
- Foto Solar eclipse of March 18, 1988
Photos:
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