October 1968 lunar eclipse

Total Lunar Eclipse
October 6, 1968
(No photo)
Lunar eclipse chart close-1968Oct06.png
The moon passes west to east (right to left) across the Earth's umbral shadow, shown in hourly intervals.
Series 136 (17 of 72)
Duration (hr:mn:sc)
Totality 01h02m58.1s
Partial 03h33m57.9s
Penumbral 05h52m07.1s
Contacts (UTC)
P1 08:45:55.0
U1 09:54:55.4
U2 11:10:25.7
Greatest 11:41:56.0
U3 12:13:23.8
U4 13:28:53.3
P4 14:38:02.1

A total lunar eclipse took place on October 6, 1968, the second of two total eclipses in 1968, the first was on April 13, 1968. The tables below contain detailed predictions and additional information on the Total Lunar Eclipse of October 6, 1968.

Eclipse Characteristics
Parameter Value
Penumbral Magnitude 2.22423
Umbral Magnitude 1.16913
Gamma 0.36054
Epilson 0.3345º
Opposition Times
Event Calendar Date & Time Julian Date
Greatest Eclipse 1968 Oct 06 at 11:42:35.0 TD (11:41:56.0 UT1) 2440135.987453
Ecliptic Opposition 1968 Oct 06 at 11:46:44.1 TD (11:46:05.2 UT1) 2440135.990337
Equatorial Opposition 1968 Oct 06 at 12:05:11.4 TD (12:04:32.4 UT1) 2440136.003153
Geocentric Coordinates of Sun and Moon
1968 Oct 06 at 11:42:35.0 TD (11:41:56.0 UT1)
Coordinate Sun Moon
Right Ascension 12h48m51.9s 00h48m13.3s
Declination -05°14'36.0" +05°32'13.0"
Semi-Diameter 16'00.2" 15'10.1"
Eq. Hor. Parallax 08.8" 0°55'39.9"
Geocentric Libration of Moon
Angle Value
l 4.6°
b -0.4°
c -21.4°
Earth's Shadows
Parameter Value
Penumbral Radius 1.2062°
Umbral Radius 0.6728°
Prediction Paramaters
Parameter Value
Ephemerides JPL DE406
ΔT 39.0 s
Shadow Rule Danjon
Shadow Enlargement 1.010
Saros Series 136 (17/72)

VisibilityEdit

It was completely visible over Asia, Australia, and North America, seen rising over central Asia, and setting over central North America.

 

Related lunar eclipsesEdit

Lunar year seriesEdit

Lunar eclipse series sets from 1966–1969
Descending node   Ascending node
Saros Date
Viewing
Type
Chart
Saros Date
Viewing
Type
Chart
111 1966 May 4
 
Penumbral
 
116 1966 Oct 29
 
Penumbral
 
121 1967 Apr 24
 
Total
 
126 1967 Oct 18
 
Total
 
131 1968 Apr 13
 
Total
 
136 1968 Oct 6
 
Total
 
141 1969 Apr 2
 
Penumbral
 
146 1969 Sep 25
 
Penumbral
 
Last set 1965 Jun 14 Last set 1965 Dec 8
Next set 1970 Feb 21 Next set 1969 Aug 27

Half-Saros cycleEdit

A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros).[1] This lunar eclipse is related to two total solar eclipses of Solar Saros 143.

October 2, 1959 October 12, 1977
   

See alsoEdit

NotesEdit

  1. ^ Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros

External linksEdit