A partial lunar eclipse occurred at the Moon’s ascending node of orbit on Saturday, May 3, 1958, with an umbral magnitude of 0.0092. A lunar eclipse occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened. A partial lunar eclipse occurs when one part of the Moon is in the Earth's umbra, while the other part is in 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 1.2 days after perigee (on May 2, 1958, at 7:00 UTC), the Moon's apparent diameter was larger.
Visibility The eclipse was completely visible over northeast Asia, Australia, and Antarctica, seen rising over east, southeast, and south Asia and setting over much of North America and western South America.
Eclipse details Shown below is a table displaying details about this particular lunar eclipse. It describes various parameters pertaining to this eclipse.
+May 3, 1958 Lunar Eclipse Parameters Parameter Value Penumbral Magnitude 0.96760 Umbral Magnitude 0.00919 Gamma 1.01884 Sun Right Ascension 02h40m25.8s Sun Declination +15°36'27.0" Sun Semi-Diameter 15'51.8" Sun Equatorial Horizontal Parallax 08.7" Moon Right Ascension 14h41m19.7s Moon Declination -14°35'56.8" Moon Semi-Diameter 16'33.1" Moon Equatorial Horizontal Parallax 1°00'44.9" ΔT 32.4 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 April–May 1958 April 4Ascending node (full moon) April 19Descending node (new moon) May 3Ascending node (full moon) Penumbral lunar eclipseLunar Saros 102 Annular solar eclipseSolar Saros 128 Partial lunar eclipseLunar Saros 140
Related eclipses Eclipses in 1958 A penumbral lunar eclipse on April 4. An annular solar eclipse on April 19. A partial lunar eclipse on May 3. A total solar eclipse on October 12. A penumbral lunar eclipse on October 27.
Metonic Preceded by: Lunar eclipse of July 16, 1954 Followed by: Lunar eclipse of February 19, 1962
Tzolkinex Preceded by: Lunar eclipse of March 23, 1951 Followed by: Lunar eclipse of June 14, 1965
Half-Saros Preceded by: Solar eclipse of April 28, 1949 Followed by: Solar eclipse of May 9, 1967
Tritos Preceded by: Lunar eclipse of June 3, 1947 Followed by: Lunar eclipse of April 2, 1969
Lunar Saros 140 Preceded by: Lunar eclipse of April 22, 1940 Followed by: Lunar eclipse of May 13, 1976
Inex Preceded by: Lunar eclipse of May 23, 1929 Followed by: Lunar eclipse of April 14, 1987
Triad Preceded by: Lunar eclipse of July 2, 1871 Followed by: Lunar eclipse of March 3, 2045
Lunar eclipses of 1955–1958
Saros 140
Tritos series
Inex series
Half-Saros cycle A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros).Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros This lunar eclipse is related to two partial solar eclipses of Solar Saros 147. April 28, 1949May 9, 1967
See also List of 20th-century lunar eclipses Lists of lunar eclipses
Notes
External links