A total lunar eclipse will occur at the Moon’s descending node of orbit on Saturday, January 22, 2084, with an umbral magnitude of 1.1531. A lunar eclipse occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened. A total lunar eclipse occurs when the Moon's near side entirely passes into the Earth's umbral shadow. 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. A total lunar eclipse can last up to nearly two hours, while a total solar eclipse lasts only a few minutes at any given place, because the Moon's shadow is smaller. Occurring about 4 days after apogee (on January 18, 2084, at 23:50 UTC), the Moon's apparent diameter will be smaller.
This lunar eclipse will be the third of an almost tetrad, with the others being on February 2, 2083 (total); July 29, 2083 (total); and July 17, 2084 (partial).
Visibility The eclipse will be completely visible over Africa, Europe, and west and central Asia, seen rising over North and South America and setting over south and east Asia and western Australia.
Eclipse details Shown below is a table displaying details about this particular solar eclipse. It describes various parameters pertaining to this eclipse.
+January 22, 2084 Lunar Eclipse Parameters Parameter Value Penumbral Magnitude 2.24251 Umbral Magnitude 1.15312 Gamma −0.36098 Sun Right Ascension 20h20m36.4s Sun Declination -19°30'37.0" Sun Semi-Diameter 16'15.1" Sun Equatorial Horizontal Parallax 08.9" Moon Right Ascension 08h20m09.1s Moon Declination +19°11'55.7" Moon Semi-Diameter 14'55.1" Moon Equatorial Horizontal Parallax 0°54'45.0" ΔT 111.5 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.
+ Eclipse season of January 2084 January 7Ascending node (new moon) January 22Descending node (full moon) Partial solar eclipseSolar Saros 123 Total lunar eclipseLunar Saros 135
Related eclipses Eclipses in 2084 A partial solar eclipse on January 7. A total lunar eclipse on January 22. An annular solar eclipse on July 3. A partial lunar eclipse on July 17. A total solar eclipse on December 27.
Metonic Preceded by: Lunar eclipse of April 4, 2080 Followed by: Lunar eclipse of November 10, 2087
Tzolkinex Preceded by: Lunar eclipse of December 10, 2076 Followed by: Lunar eclipse of March 5, 2091
Half-Saros Preceded by: Solar eclipse of January 16, 2075 Followed by: Solar eclipse of January 27, 2093
Tritos Preceded by: Lunar eclipse of February 22, 2073 Followed by: Lunar eclipse of December 21, 2094
Lunar Saros 135 Preceded by: Lunar eclipse of January 11, 2066 Followed by: Lunar eclipse of February 3, 2102
Inex Preceded by: Lunar eclipse of February 11, 2055 Followed by: Lunar eclipse of January 2, 2113
Triad Preceded by: Lunar eclipse of March 24, 1997 Followed by: Lunar eclipse of November 23, 2170
Lunar eclipses of 2082–2085 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.
The penumbral lunar eclipses on June 8, 2085 and December 1, 2085 occur in the next lunar year eclipse set.
Lunar eclipse series sets from 2082 to 2085 Descending node Ascending node Saros DateViewing TypeChart Gamma Saros DateViewing TypeChart Gamma 115 2082 Feb 13Partial 1.0101 120 2082 Aug 08Penumbral −1.0203 1252083 Feb 02Total 0.3463 130 2083 Jul 29Total −0.2143 135 2084 Jan 22Total −0.3610 1402084 Jul 17Partial 0.5312 145 2085 Jan 10Penumbral −1.0453 150 2085 Jul 07Penumbral 1.2694
Saros 135
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 total solar eclipses of Solar Saros 142. January 16, 2075January 27, 2093
See also List of lunar eclipses and List of 21st-century lunar eclipses
Notes
External links