Catalog of Lunar Eclipse Saros Series

Saros Series 90

The periodicity and recurrence of lunar (and solar) eclipses is governed by the Saros cycle, a period of approximately 6,585.3 days (18 years 11 days 8 hours). When two eclipses are separated by a period of one Saros, they share a very similar geometry. The two eclipses occur at the same node[1] with the Moon at nearly the same distance from Earth and at the same time of year. Thus, the Saros is useful for organizing eclipses into families or series. Each series typically lasts 12 to 15 centuries and contains 70 or more lunar eclipses.

Lunar eclipses of Saros 90 all occur at the Moon’s ascending node and the Moon moves southward with each eclipse. The series began with a penumbral eclipse near the northern edge of the penumbra on 0150 Jun 27. The series ended with a penumbral eclipse near the southern edge of the penumbra on 1430 Aug 04. The total duration of Saros series 90 is 1280.14 years. In summary:

                      First Eclipse =  0150 Jun 27   19:18:39 TD
                       Last Eclipse =  1430 Aug 04   06:34:42 TD

                      Duration of Saros  90  =  1280.14 Years

Saros 90 is composed of 72 lunar eclipses as follows:

Lunar Eclipses of Saros 90
Eclipse Type Symbol Number Percent
All Eclipses - 72100.0%
PenumbralN 20 27.8%
PartialP 39 54.2%
TotalT 13 18.1%

The 72 lunar eclipses in Saros 90 occur in the order of 12N 17P 13T 22P 8N which corresponds to:

                                    12  Penumbral
                                    17  Partial
                                    13  Total
                                    22  Partial
                                     8  Penumbral

The longest and shortest eclipses of Saros 90 are as follows.

            Longest  Total  Lunar Eclipse:    0763 Jun 30      Duration = 01h44m20s
           Shortest  Total  Lunar Eclipse:    0889 Sep 13      Duration = 00h28m37s

            Longest Partial Lunar Eclipse:    0655 Apr 26      Duration = 03h22m31s
           Shortest Partial Lunar Eclipse:    0366 Nov 04      Duration = 00h34m16s

          Longest Penumbral Lunar Eclipse:    0348 Oct 24      Duration = 04h56m08s
         Shortest Penumbral Lunar Eclipse:    0150 Jun 27      Duration = 00h46m52s

The largest and smallest magnitude partial eclipses of Saros 90 are:

            Largest Partial Lunar Eclipse:    0907 Sep 24      Magnitude = 0.9688
           Smallest Partial Lunar Eclipse:    0366 Nov 04      Magnitude = 0.0193

Local circumstances at greatest eclipse[2] for every lunar eclipse of Saros 90 are presented in the following catalog. For eclipses occurring between the years -1999 to +3000 (2000 BCE to 3000 CE), the sequence number in the first column links to a eclipse geometry diagram and a map from Five Millennium Canon of Lunar Eclipses: -1999 to +3000. A detailed key and additional information about the catalog can be found at: Key to Catalog of Lunar Eclipse Saros Series.



Catalog of Lunar Eclipses in Saros 90

                          TD of                                                          Phase
Seq. Rel.    Calendar   Greatest          Luna  Ecl.               Pen.    Um.    ---- Durations ---- 
Num. Num.      Date      Eclipse     ΔT    Num  Type QSE  Gamma    Mag.    Mag.    Pen.   Par.  Total
                                      s                                              m      m      m

 01  -34   0150 Jun 27  19:18:39   9071 -22876   Nb  t-   1.5618  0.0232 -1.0383   46.9    -      -  
 02  -33   0168 Jul 08  01:47:33   8899 -22653   N   t-   1.4833  0.1689 -0.8958  125.2    -      -  
 03  -32   0186 Jul 19  08:22:09   8728 -22430   N   t-   1.4088  0.3073 -0.7611  167.2    -      -  
 04  -31   0204 Jul 29  15:00:30   8557 -22207   N   t-   1.3371  0.4409 -0.6314  198.3    -      -  
 05  -30   0222 Aug 09  21:46:20   8386 -21984   N   t-   1.2713  0.5637 -0.5126  222.1    -      -  
 06  -29   0240 Aug 20  04:37:52   8215 -21761   N   t-   1.2099  0.6784 -0.4021  241.4    -      -  
 07  -28   0258 Aug 31  11:39:32   8043 -21538   N   t-   1.1564  0.7787 -0.3060  256.6    -      -  
 08  -27   0276 Sep 10  18:48:49   7870 -21315   N   t-   1.1088  0.8681 -0.2206  268.9    -      -  
 09  -26   0294 Sep 22  02:07:28   7697 -21092   N   t-   1.0685  0.9441 -0.1485  278.7    -      -  
 10  -25   0312 Oct 02  09:34:39   7522 -20869   Nx  t-   1.0348  1.0077 -0.0885  286.3    -      -  

 11  -24   0330 Oct 13  17:11:45   7347 -20646   Nx  t-   1.0093  1.0560 -0.0433  291.9    -      -  
 12  -23   0348 Oct 24  00:56:02   7171 -20423   Nx  t-   0.9890  1.0946 -0.0072  296.1    -      -  
 13  -22   0366 Nov 04  08:47:09   6995 -20200   P   t-   0.9740  1.1230  0.0193  299.1   34.3    -  
 14  -21   0384 Nov 14  16:43:27   6817 -19977   P   t-   0.9629  1.1441  0.0391  301.2   48.7    -  
 15  -20   0402 Nov 26  00:44:37   6639 -19754   P   t-   0.9555  1.1578  0.0524  302.5   56.2    -  
 16  -19   0420 Dec 06  08:46:28   6461 -19531   P   t-   0.9486  1.1704  0.0653  303.5   62.6    -  
 17  -18   0438 Dec 17  16:49:55   6283 -19308   P   t-   0.9427  1.1806  0.0767  304.1   67.7    -  
 18  -17   0456 Dec 28  00:50:43   6104 -19085   P   t-   0.9344  1.1947  0.0929  305.0   74.2    -  
 19  -16   0475 Jan 08  08:49:33   5927 -18862   P   t-   0.9242  1.2121  0.1130  306.1   81.6    -  
 20  -15   0493 Jan 18  16:41:33   5750 -18639   P   t-   0.9082  1.2397  0.1441  308.0   91.6    -  

 21  -14   0511 Jan 30  00:29:38   5573 -18416   P   t-   0.8886  1.2736  0.1822  310.3  102.3    -  
 22  -13   0529 Feb 09  08:09:09   5397 -18193   P   t-   0.8621  1.3199  0.2331  313.4  114.6    -  
 23  -12   0547 Feb 20  15:41:42   5222 -17970   P   t-   0.8290  1.3780  0.2962  317.2  127.8    -  
 24  -11   0565 Mar 02  23:04:59   5048 -17747   P   t-   0.7879  1.4508  0.3743  321.7  141.7    -  
 25  -10   0583 Mar 14  06:21:40   4875 -17524   P   t-   0.7406  1.5347  0.4638  326.5  155.3    -  
 26  -09   0601 Mar 24  13:29:56   4704 -17301   P   t-   0.6858  1.6326  0.5672  331.7  168.6    -  
 27  -08   0619 Apr 04  20:30:48   4534 -17078   P   t-   0.6240  1.7431  0.6832  336.8  181.1    -  
 28  -07   0637 Apr 15  03:25:41   4365 -16855   P   t-   0.5564  1.8644  0.8099  341.7  192.5    -  
 29  -06   0655 Apr 26  10:15:24   4198 -16632   P   t-   0.4834  1.9959  0.9466  346.1  202.5    -  
 30  -05   0673 May 06  17:01:08   4033 -16409   T   t-   0.4061  2.1352  1.0907  349.9  211.0   47.6

 31  -04   0691 May 17  23:43:54   3870 -16186   T   t-   0.3254  2.2810  1.2410  352.8  217.9   73.7
 32  -03   0709 May 28  06:26:03   3709 -15963   T+  p-   0.2431  2.4301  1.3941  354.8  222.9   88.9
 33  -02   0727 Jun 08  13:08:30   3550 -15740   T+  pp   0.1598  2.5810  1.5486  355.7  226.2   98.2
 34  -01   0745 Jun 18  19:51:37   3394 -15517   T+  pp   0.0762  2.7330  1.7036  355.7  227.9  103.1
 35   00   0763 Jun 30  02:38:41   3240 -15294   T-  pp  -0.0052  2.8620  1.8352  354.6  227.9  104.3
 36   01   0781 Jul 10  09:29:49   3090 -15071   T-  pp  -0.0842  2.7159  1.6913  352.7  226.4  102.3
 37   02   0799 Jul 21  16:27:53   2942 -14848   T-  pp  -0.1584  2.5789  1.5559  350.1  223.6   97.5
 38   03   0817 Jul 31  23:31:43   2798 -14625   T-  pp  -0.2288  2.4491  1.4274  346.8  219.8   89.9
 39   04   0835 Aug 12  06:45:13   2657 -14402   T   -p  -0.2922  2.3323  1.3114  343.1  215.3   79.9
 40   05   0853 Aug 22  14:06:49   2520 -14179   T   -p  -0.3500  2.2260  1.2057  339.2  210.3   67.2


Catalog of Lunar Eclipses in Saros 90

                          TD of                                                          Phase
Seq. Rel.    Calendar   Greatest          Luna  Ecl.               Pen.    Um.    ---- Durations ---- 
Num. Num.      Date      Eclipse     ΔT    Num  Type QSE  Gamma    Mag.    Mag.    Pen.   Par.  Total
                                      s                                              m      m      m

 41   06   0871 Sep 02  21:38:28   2387 -13956   T   -p  -0.4002  2.1336  1.1137  335.3  205.1   51.3
 42   07   0889 Sep 13  05:19:21   2258 -13733   T   -p  -0.4438  2.0537  1.0339  331.5  200.0   28.6
 43   08   0907 Sep 24  13:11:11   2133 -13510   P   -a  -0.4793  1.9884  0.9688  328.0  195.3    -  
 44   09   0925 Oct 04  21:12:36   2012 -13287   P   -a  -0.5078  1.9360  0.9165  324.9  191.2    -  
 45   10   0943 Oct 16  05:22:35   1896 -13064   P   -a  -0.5302  1.8947  0.8756  322.1  187.7    -  
 46   11   0961 Oct 26  13:41:49   1784 -12841   P   -a  -0.5457  1.8660  0.8474  319.8  185.0    -  
 47   12   0979 Nov 06  22:08:13   1677 -12618   P   -a  -0.5557  1.8473  0.8296  318.0  183.1    -  
 48   13   0997 Nov 17  06:41:06   1574 -12395   P   -a  -0.5614  1.8362  0.8198  316.5  181.8    -  
 49   14   1015 Nov 28  15:17:02   1476 -12172   P   -a  -0.5651  1.8284  0.8138  315.1  180.8    -  
 50   15   1033 Dec 08  23:57:10   1383 -11949   P   -a  -0.5660  1.8256  0.8133  313.9  180.3    -  

 51   16   1051 Dec 20  08:37:46   1294 -11726   P   -a  -0.5669  1.8224  0.8130  312.7  179.9    -  
 52   17   1069 Dec 30  17:18:20   1210 -11503   P   -a  -0.5684  1.8179  0.8119  311.4  179.3    -  
 53   18   1088 Jan 11  01:56:01   1130 -11280   P   -a  -0.5727  1.8081  0.8059  309.9  178.4    -  
 54   19   1106 Jan 21  10:31:12   1055 -11057   P   -a  -0.5798  1.7929  0.7951  308.1  177.1    -  
 55   20   1124 Feb 01  19:00:48    984 -10834   P   -a  -0.5920  1.7681  0.7751  305.8  175.1    -  
 56   21   1142 Feb 12  03:24:57    917 -10611   P   -a  -0.6093  1.7339  0.7459  303.0  172.3    -  
 57   22   1160 Feb 23  11:42:25    854 -10388   P   -a  -0.6327  1.6884  0.7055  299.6  168.3    -  
 58   23   1178 Mar 05  19:53:46    795 -10165   P   -a  -0.6616  1.6328  0.6551  295.6  163.2    -  
 59   24   1196 Mar 16  03:56:40    740  -9942   P   -a  -0.6982  1.5628  0.5904  290.7  156.2    -  
 60   25   1214 Mar 27  11:53:30    689  -9719   P   -a  -0.7405  1.4827  0.5152  285.0  147.4    -  

 61   26   1232 Apr 06  19:42:43    641  -9496   P   -a  -0.7898  1.3899  0.4273  278.1  135.8    -  
 62   27   1250 Apr 18  03:27:09    596  -9273   P   -a  -0.8433  1.2895  0.3313  270.1  121.1    -  
 63   28   1268 Apr 28  11:03:47    554  -9050   P   -a  -0.9038  1.1765  0.2223  260.6  100.6    -  
 64   29   1286 May 09  18:38:06    514  -8827   P   -a  -0.9665  1.0596  0.1088  249.9   71.4    -  
 65   30   1304 May 20  02:07:02    478  -8604   N   -a  -1.0344  0.9336 -0.0142  237.3    -      -  
 66   31   1322 May 31  09:35:18    443  -8381   N   -a  -1.1028  0.8068 -0.1387  223.1    -      -  
 67   32   1340 Jun 10  17:00:17    411  -8158   N   -a  -1.1742  0.6750 -0.2688  206.5    -      -  
 68   33   1358 Jun 22  00:27:21    381  -7935   N   -a  -1.2441  0.5462 -0.3966  187.9    -      -  
 69   34   1376 Jul 02  07:54:03    352  -7712   N   -a  -1.3147  0.4166 -0.5258  166.0    -      -  
 70   35   1394 Jul 13  15:23:50    326  -7489   N   -a  -1.3829  0.2915 -0.6511  140.4    -      -  

 71   36   1412 Jul 23  22:56:30    300  -7266   N   -a  -1.4488  0.1710 -0.7726  108.7    -      -  
 72   37   1430 Aug 04  06:34:42    276  -7043   Ne  -a  -1.5105  0.0585 -0.8865   64.2    -      -  


Footnotes

[1] The Moon's orbit is inclined about 5 degrees to Earth's orbit around the Sun. The points where the lunar orbit intersects the plane of Earth's orbit are known as the nodes. The Moon moves from south to north of Earth's orbit at the ascending node, and from north to south at the descending node.

[2]Greatest eclipse is defined as the instant when Moon passes closest to the axis of Earth's shadow.


Calendar

The Gregorian calendar is used for all dates from 1582 Oct 15 onwards. Before that date, the Julian calendar is used. For more information on this topic, see Calendar Dates. The Julian calendar does not include the year 0. Thus the year 1 BCE is followed by the year 1 CE (See: BCE/CE Dating Conventions ). This is awkward for arithmetic calculations. Years in this catalog are numbered astronomically and include the year 0. Historians should note there is a difference of one year between astronomical dates and BCE dates. Thus, the astronomical year 0 corresponds to 1 BCE, and astronomical year -1 corresponds to 2 BCE, etc..


Predictions

The coordinates of the Sun used in these predictions are based on the VSOP87 theory [Bretagnon and Francou, 1988]. The Moon's coordinates are based on the ELP-2000/82 theory [Chapront-Touze and Chapront, 1983]. For more information, see: Solar and Lunar Ephemerides. The revised value used for the Moon's secular acceleration is n-dot = -25.858 arc-sec/cy*cy, as deduced from the Apollo lunar laser ranging experiment (Chapront, Chapront-Touze, and Francou, 2002).

The largest uncertainty in the eclipse predictions is caused by fluctuations in Earth's rotation due primarily to tidal friction of the Moon. The resultant drift in apparent clock time is expressed as ΔT and is determined as follows:

  1. pre-1950's: ΔT calculated from empirical fits to historical records derived by Morrison and Stephenson (2004)
  2. 1955-present: ΔT obtained from published observations
  3. future: ΔT is extrapolated from current values weighted by the long term trend from tidal effects

A series of polynomial expressions have been derived to simplify the evaluation of ΔT for any time from -1999 to +3000. The uncertainty in ΔT over this period can be estimated from scatter in the measurements.


Acknowledgments

The Besselian elements used in the predictions were kindly provided by Jean Meeus. All eclipse calculations are by Fred Espenak, and he assumes full responsibility for their accuracy. Some of the information presented on this web site is based on data originally published in Five Millennium Canon of Lunar Eclipses: -1999 to +3000 and Five Millennium Catalog of Lunar Eclipses: -1999 to +3000.

Permission is freely granted to reproduce this data when accompanied by an acknowledgment:

"Eclipse Predictions by Fred Espenak and Jean Meeus (NASA's GSFC)"


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2009 Sep 29