September 1960 lunar eclipse
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A total lunar eclipse occurred at the Moon’s descending node of orbit on Monday, September 5, 1960, with an umbral magnitude of 1.4239. It was a central lunar eclipse, in which part of the Moon passed through the center of the Earth's shadow. 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 2.5 days after perigee (on September 2, 1960, at 22:20 UTC), the Moon's apparent diameter was larger.
Visibility
The eclipse was completely visible over eastern Australia, northeast Asia, and northwestern North America, seen rising over western Australia and the eastern half of Asia and setting over North and South America.
Eclipse details
Shown below is a table displaying details about this particular solar eclipse. It describes various parameters pertaining to this eclipse.
| Parameter | Value |
|---|---|
| Penumbral Magnitude | 2.40311 |
| Umbral Magnitude | 1.42386 |
| Gamma | 0.24219 |
| Sun Right Ascension | 10h56m53.2s |
| Sun Declination | +06°43'28.1" |
| Sun Semi-Diameter | 15'52.0" |
| Sun Equatorial Horizontal Parallax | 08.7" |
| Moon Right Ascension | 22h56m36.4s |
| Moon Declination | -06°29'41.1" |
| Moon Semi-Diameter | 16'12.2" |
| Moon Equatorial Horizontal Parallax | 0°59'28.1" |
| ΔT | 33.5 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.
| September 5 Descending node (full moon) | September 20 Ascending node (new moon) |
|---|---|
| Total lunar eclipse Lunar Saros 127 | Partial solar eclipse Solar Saros 153 |
Related eclipses
Eclipses in 1960
- A total lunar eclipse on March 13.
- A partial solar eclipse on March 27.
- A total lunar eclipse on September 5.
- A partial solar eclipse on September 20.
Metonic
- Preceded by: Lunar eclipse of November 18, 1956
- Followed by: Lunar eclipse of June 25, 1964
Tzolkinex
- Preceded by: Lunar eclipse of July 26, 1953
- Followed by: Lunar eclipse of October 18, 1967
Half-Saros
- Preceded by: Solar eclipse of September 1, 1951
- Followed by: Solar eclipse of September 11, 1969
Tritos
- Preceded by: Lunar eclipse of October 7, 1949
- Followed by: Lunar eclipse of August 6, 1971
Lunar Saros 127
- Preceded by: Lunar eclipse of August 26, 1942
- Followed by: Lunar eclipse of September 16, 1978
Inex
- Preceded by: Lunar eclipse of September 26, 1931
- Followed by: Lunar eclipse of August 17, 1989
Triad
- Preceded by: Lunar eclipse of November 4, 1873
- Followed by: Lunar eclipse of July 7, 2047
Lunar eclipses of 1958–1962
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 lunar eclipses on May 3, 1958 (partial) and October 28, 1958 (penumbral) occur in the previous lunar year eclipse set, and the penumbral lunar eclipse on July 17, 1962 occurs in the next lunar year eclipse set.
| Lunar eclipse series sets from 1958 to 1962 | |||||||
|---|---|---|---|---|---|---|---|
| Ascending node | Descending node | ||||||
| Saros | Date Viewing | Type Chart | Gamma | Saros | Date Viewing | Type Chart | Gamma |
| 102 | 1958 Apr 04 | Penumbral | −1.5381 | ||||
| 112 | 1959 Mar 24 | Partial | −0.8757 | 117 | 1959 Sep 17 | Penumbral | 1.0296 |
| 122 | 1960 Mar 13 | Total | −0.1799 | 127 | 1960 Sep 05 | Total | 0.2422 |
| 132 | 1961 Mar 02 | Partial | 0.5541 | 137 | 1961 Aug 26 | Partial | −0.4895 |
| 142 | 1962 Feb 19 | Penumbral | 1.2512 | 147 | 1962 Aug 15 | Penumbral | −1.2210 |
Saros 127
This eclipse is a part of Saros series 127, repeating every 18 years, 11 days, and containing 72 events. The series started with a penumbral lunar eclipse on July 9, 1275. It contains partial eclipses from November 4, 1473 through May 18, 1780; total eclipses from May 29, 1798 through November 9, 2068; and a second set of partial eclipses from November 20, 2086 through June 17, 2429. The series ends at member 72 as a penumbral eclipse on September 2, 2555.
The longest duration of totality was produced by member 35 at 101 minutes, 46 seconds on July 23, 1888. All eclipses in this series occur at the Moon’s descending node of orbit.
| Greatest | First | |||
|---|---|---|---|---|
| The greatest eclipse of the series occurred on 1888 Jul 23, lasting 101 minutes, 46 seconds. | Penumbral | Partial | Total | Central |
| 1275 Jul 09 | 1473 Nov 04 | 1798 May 29 | 1834 Jun 21 | |
| Last | ||||
| Central | Total | Partial | Penumbral | |
| 1960 Sep 05 | 2068 Nov 09 | 2429 Jun 17 | 2555 Sep 02 |
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.
| Series members 31–52 occur between 1801 and 2200: | |||||
|---|---|---|---|---|---|
| 31 | 32 | 33 | |||
| 1816 Jun 10 | 1834 Jun 21 | 1852 Jul 01 | |||
| 34 | 35 | 36 | |||
| 1870 Jul 12 | 1888 Jul 23 | 1906 Aug 04 | |||
| 37 | 38 | 39 | |||
| 1924 Aug 14 | 1942 Aug 26 | 1960 Sep 05 | |||
| 40 | 41 | 42 | |||
| 1978 Sep 16 | 1996 Sep 27 | 2014 Oct 08 | |||
| 43 | 44 | 45 | |||
| 2032 Oct 18 | 2050 Oct 30 | 2068 Nov 09 | |||
| 46 | 47 | 48 | |||
| 2086 Nov 20 | 2104 Dec 02 | 2122 Dec 13 | |||
| 49 | 50 | 51 | |||
| 2140 Dec 23 | 2159 Jan 04 | 2177 Jan 14 | |||
| 52 | |||||
| 2195 Jan 26 | |||||
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 2200 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1807 Nov 15 (Saros 113) | 1818 Oct 14 (Saros 114) | 1829 Sep 13 (Saros 115) | 1840 Aug 13 (Saros 116) | 1851 Jul 13 (Saros 117) | |||||
| 1862 Jun 12 (Saros 118) | 1873 May 12 (Saros 119) | 1884 Apr 10 (Saros 120) | 1895 Mar 11 (Saros 121) | 1906 Feb 09 (Saros 122) | |||||
| 1917 Jan 08 (Saros 123) | 1927 Dec 08 (Saros 124) | 1938 Nov 07 (Saros 125) | 1949 Oct 07 (Saros 126) | 1960 Sep 05 (Saros 127) | |||||
| 1971 Aug 06 (Saros 128) | 1982 Jul 06 (Saros 129) | 1993 Jun 04 (Saros 130) | 2004 May 04 (Saros 131) | 2015 Apr 04 (Saros 132) | |||||
| 2026 Mar 03 (Saros 133) | 2037 Jan 31 (Saros 134) | 2048 Jan 01 (Saros 135) | 2058 Nov 30 (Saros 136) | 2069 Oct 30 (Saros 137) | |||||
| 2080 Sep 29 (Saros 138) | 2091 Aug 29 (Saros 139) | 2102 Jul 30 (Saros 140) | 2113 Jun 29 (Saros 141) | 2124 May 28 (Saros 142) | |||||
| 2135 Apr 28 (Saros 143) | 2146 Mar 28 (Saros 144) | 2157 Feb 24 (Saros 145) | 2168 Jan 24 (Saros 146) | 2178 Dec 24 (Saros 147) | |||||
| 2189 Nov 22 (Saros 148) | 2200 Oct 23 (Saros 149) | ||||||||
Inex series
This eclipse is a part of the long period inex cycle, repeating at alternating nodes, every 358 synodic months (≈ 10,571.95 days, or 29 years minus 20 days). Their appearance and longitude are irregular due to a lack of synchronization with the anomalistic month (period of perigee). However, groupings of 3 inex cycles (≈ 87 years minus 2 months) comes close (≈ 1,151.02 anomalistic months), so eclipses are similar in these groupings.
| Series members between 1801 and 2200 | |||||
|---|---|---|---|---|---|
| 1815 Dec 16 (Saros 122) | 1844 Nov 24 (Saros 123) | 1873 Nov 04 (Saros 124) | |||
| 1902 Oct 17 (Saros 125) | 1931 Sep 26 (Saros 126) | 1960 Sep 05 (Saros 127) | |||
| 1989 Aug 17 (Saros 128) | 2018 Jul 27 (Saros 129) | 2047 Jul 07 (Saros 130) | |||
| 2076 Jun 17 (Saros 131) | 2105 May 28 (Saros 132) | 2134 May 08 (Saros 133) | |||
| 2163 Apr 19 (Saros 134) | 2192 Mar 28 (Saros 135) | ||||
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 two total solar eclipses of Solar Saros 134.
See also
Notes
External links
- Eclipse Predictions by Fred Espenak, NASA/GSFC