November 2002 lunar eclipse explained

Type:penumbral
Date:November 20, 2002
Gamma:−1.1126
Magnitude:−0.2246
Saros Ser:116
Saros No:57 of 73
Penumbral:264 minutes, 18 seconds
P1:23:34:28
Greatest:1:46:36
P4:3:58:46
Previous:June 2002
Next:May 2003

A penumbral lunar eclipse occurred at the Moon’s ascending node of orbit on Wednesday, November 20, 2002,[1] with an umbral magnitude of −0.2246. 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 3.8 days after apogee (on November 16, 2002, at 6:30 UTC), the Moon's apparent diameter was smaller.[2]

Visibility

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

Eclipse details

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

November 20, 2002 Lunar Eclipse Parameters! Parameter! Value
Penumbral Magnitude0.86176
Umbral Magnitude−0.22459
Gamma−1.11266
Sun Right Ascension15h41m07.8s
Sun Declination-19°36'53.3"
Sun Semi-Diameter16'11.2"
Sun Equatorial Horizontal Parallax08.9"
Moon Right Ascension03h42m30.3s
Moon Declination+18°39'15.4"
Moon Semi-Diameter14'54.0"
Moon Equatorial Horizontal Parallax0°54'40.9"
ΔT64.4 s

Eclipse season

See also: Eclipse cycle. 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.

Related eclipses

Eclipses in 2002

Metonic

Tzolkinex

Half-Saros

Tritos

Lunar Saros 116

Inex

Triad

Saros 116

It is part of Saros series 116.

Metonic 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).[5] This lunar eclipse is related to two partial solar eclipses of Solar Saros 123.

See also

External links

Notes and References

  1. Web site: November 19–20, 2002 Penumbral Lunar Eclipse. timeanddate. 12 November 2024.
  2. Web site: Moon Distances for London, United Kingdom, England. timeanddate. 12 November 2024.
  3. Web site: Penumbral Lunar Eclipse of 2002 Nov 20. NASA. 12 November 2024.
  4. Web site: Penumbral Lunar Eclipse of 2002 Nov 20. EclipseWise.com. 12 November 2024.
  5. Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros