June 2002 lunar eclipse

June 2002 lunar eclipse
Penumbral eclipse
Hourly motion shown right to left
DateJune 24, 2002
Gamma−1.4439
Magnitude−0.791
Saros cycle149 (2 of 72)
Penumbral129 minutes, 5 seconds
Contacts (UTC)
P120:22:28
Greatest21:27:09
P422:31:33

A penumbral lunar eclipse occurred at the Moon’s descending node of orbit on Monday, June 24, 2002, with an umbral magnitude of −0.791. 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 6.7 days after perigee (on June 19, 2002, at 3:30 UTC), the Moon's apparent diameter was larger.

Visibility

The eclipse was completely visible over Africa, Europe, west and central Asia, and Antarctica, seen rising over much of South America and setting over much of east Asia and Australia.


The moon's hourly motion across the Earth's shadow in the constellation of Scorpius.

Eclipse details

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

June 24, 2002 Lunar Eclipse Parameters
Parameter Value
Penumbral Magnitude 0.21095
Umbral Magnitude −0.79099
Gamma −1.44399
Sun Right Ascension 06h13m52.0s
Sun Declination +23°24'03.8"
Sun Semi-Diameter 15'44.2"
Sun Equatorial Horizontal Parallax 08.7"
Moon Right Ascension 18h13m25.9s
Moon Declination -24°47'04.8"
Moon Semi-Diameter 15'42.3"
Moon Equatorial Horizontal Parallax 0°57'38.4"
ΔT 64.3 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 May–June 2002
May 26
Descending node (full moon)
June 10
Ascending node (new moon)
June 24
Descending node (full moon)
Penumbral lunar eclipse
Lunar Saros 111
Annular solar eclipse
Solar Saros 137
Penumbral lunar eclipse
Lunar Saros 149

Eclipses in 2002

Metonic

Tzolkinex

Half-Saros

Tritos

Lunar Saros 149

Inex

Triad

Lunar eclipses of 1998–2002

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 March 13, 1998 and September 6, 1998 occur in the previous lunar year eclipse set, and the penumbral lunar eclipses on May 26, 2002 and November 20, 2002 occur in the next lunar year eclipse set.

Lunar eclipse series sets from 1998 to 2002
Descending node   Ascending node
Saros Date
Viewing
Type
Chart
Gamma Saros Date
Viewing
Type
Chart
Gamma
109 1998 Aug 08
Penumbral
1.4876 114 1999 Jan 31
Penumbral
−1.0190
119 1999 Jul 28
Partial
0.7863 124
2000 Jan 21
Total
−0.2957
129 2000 Jul 16
Total
0.0302 134
2001 Jan 09
Total
0.3720
139 2001 Jul 05
Partial
−0.7287 144 2001 Dec 30
Penumbral
1.0732
149 2002 Jun 24
Penumbral
−1.4440

Saros 149

This eclipse is a part of Saros series 149, repeating every 18 years, 11 days, and containing 71 events. The series started with a penumbral lunar eclipse on June 13, 1984. It contains partial eclipses from August 29, 2110 through April 5, 2471; total eclipses from April 16, 2489 through September 17, 2741; and a second set of partial eclipses from September 28, 2759 through May 5, 3120. The series ends at member 71 as a penumbral eclipse on July 20, 3246.

The longest duration of totality will be produced by member 36 at 99 minutes, 18 seconds on July 3, 2615. All eclipses in this series occur at the Moon’s descending node of orbit.

Greatest First
The greatest eclipse of the series will occur on 2615 Jul 03, lasting 99 minutes, 18 seconds. Penumbral Partial Total Central
1984 Jun 13
2110 Aug 29
2489 Apr 16
2561 May 30
Last
Central Total Partial Penumbral
2687 Aug 15
2741 Sep 17
3120 May 05
3246 Jul 20

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.

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.

Series members between 1801 and 2078
1806 Jan 05
(Saros 131)
1816 Dec 04
(Saros 132)
1827 Nov 03
(Saros 133)
1838 Oct 03
(Saros 134)
1849 Sep 02
(Saros 135)
1860 Aug 01
(Saros 136)
1871 Jul 02
(Saros 137)
1882 Jun 01
(Saros 138)
1893 Apr 30
(Saros 139)
1904 Mar 31
(Saros 140)
1915 Mar 01
(Saros 141)
1926 Jan 28
(Saros 142)
1936 Dec 28
(Saros 143)
1947 Nov 28
(Saros 144)
1958 Oct 27
(Saros 145)
1969 Sep 25
(Saros 146)
1980 Aug 26
(Saros 147)
1991 Jul 26
(Saros 148)
2002 Jun 24
(Saros 149)
2013 May 25
(Saros 150)
2078 Nov 19
(Saros 156)

Half-Saros cycle

A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros). This lunar eclipse is related to one partial solar eclipse of Solar Saros 156.

July 1, 2011

See also

References

  1. ^ "June 24–25, 2002 Penumbral Lunar Eclipse". timeanddate. Retrieved 12 November 2024.
  2. ^ "Moon Distances for London, United Kingdom, England". timeanddate. Retrieved 12 November 2024.
  3. ^ "Penumbral Lunar Eclipse of 2002 Jun 24" (PDF). NASA. Retrieved 12 November 2024.
  4. ^ "Penumbral Lunar Eclipse of 2002 Jun 24". EclipseWise.com. Retrieved 12 November 2024.
  5. ^ van Gent, R.H. "Solar- and Lunar-Eclipse Predictions from Antiquity to the Present". A Catalogue of Eclipse Cycles. Utrecht University. Retrieved 6 October 2018.
  6. ^ "NASA - Catalog of Lunar Eclipses of Saros 149". eclipse.gsfc.nasa.gov.
  7. ^ Listing of Eclipses of series 149
  8. ^ Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros