Saros 73

Catalog of Solar Eclipses of Saros 73

Fred Espenak

Introduction

The periodicity and recurrence of 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 with the Moon at nearly the same distance from Earth and the same time of year due to a harmonic in three cycles of the Moon's orbit. Thus, the Saros is useful for organizing eclipses into families or series. Each series typically lasts 12 to 13 centuries and contains 70 or more eclipses. Every saros series begins with a number of partial eclipses near one of Earth's polar regions. The series will then produce several dozen central eclipses before ending with a group of partial eclipses near the opposite pole. For more information, see Periodicity of Solar Eclipses.

Catalog of Solar Eclipses of Saros 73

The table below lists the concise characteristics of every solar eclipse belonging to Saros 73 . The date and time of each eclipse is given for the instant of Greatest Eclipse. For eclipses between the years -1999 to 3000, the calendar date links to a web page containing additional details and a map showing the geographic region of eclipse visibility for that eclipse. A description of each parameter in the catalog table can be found in Key to Saros Catalog of Solar Eclipses.

Catalog of Solar Eclipses of Saros 73
Seq Num Rel Num Calendar Date TD of Greatest Eclipse ΔT

s
ΔT Sigma
s
Luna Num Ecl Type QLE Gamma Ecl Mag Lat

°
Long

°
Sun Alt
°
Path Width km Central Dur
1-38 -0698-Jul-2712:52:01 20148 507 -33363 Pb t- 1.4734 0.1075 68N 123W 0 - -
2-37 -0680-Aug-0620:41:48 19860 500 -33140 P t- 1.4219 0.2077 69N 107E 0 - -
3-36 -0662-Aug-1804:38:02 19575 493 -32917 P t- 1.3759 0.2970 70N 26W 0 - -
4-35 -0644-Aug-2812:42:29 19291 485 -32694 P t- 1.3367 0.3727 71N 161W 0 - -
5-34 -0626-Sep-0820:54:35 19009 478 -32471 P t- 1.3039 0.4355 71N 61E 0 - -
6-33 -0608-Sep-1905:15:13 18729 471 -32248 P t- 1.2787 0.4835 72N 79W 0 - -
7-32 -0590-Sep-3013:41:46 18452 464 -32025 P t- 1.2587 0.5214 72N 139E 0 - -
8-31 -0572-Oct-1022:16:29 18176 457 -31802 P t- 1.2459 0.5454 72N 5W 0 - -
9-30 -0554-Oct-2206:56:28 17903 451 -31579 P t- 1.2377 0.5607 71N 150W 0 - -
10-29 -0536-Nov-0115:42:01 17631 444 -31356 P t- 1.2344 0.5667 71N 64E 0 - -
11-28 -0518-Nov-1300:29:48 17362 437 -31133 P t- 1.2336 0.5682 70N 82W 0 - -
12-27 -0500-Nov-2309:20:30 17092 430 -30910 P t- 1.2354 0.5648 69N 132E 0 - -
13-26 -0482-Dec-0418:10:49 16773 424 -30687 P t- 1.2375 0.5609 68N 13W 0 - -
14-25 -0464-Dec-1502:59:46 16462 417 -30464 P t- 1.2388 0.5584 67N 158W 0 - -
15-24 -0446-Dec-2611:45:38 16161 410 -30241 P t- 1.2380 0.5598 66N 59E 0 - -
16-23 -0427-Jan-0520:27:29 15868 404 -30018 P t- 1.2344 0.5667 65N 83W 0 - -
17-22 -0409-Jan-1705:02:22 15582 397 -29795 P t- 1.2258 0.5828 64N 137E 0 - -
18-21 -0391-Jan-2713:30:12 15304 391 -29572 P t- 1.2120 0.6084 63N 0W 0 - -
19-20 -0373-Feb-0721:49:46 15032 385 -29349 P t- 1.1922 0.6454 62N 135W 0 - -
20-19 -0355-Feb-1806:01:17 14767 378 -29126 P t- 1.1662 0.6937 62N 92E 0 - -
21-18 -0337-Mar-0114:02:01 14508 372 -28903 P t- 1.1322 0.7570 61N 38W 0 - -
22-17 -0319-Mar-1121:54:32 14256 366 -28680 P t- 1.0924 0.8312 61N 166W 0 - -
23-16 -0301-Mar-2305:36:53 14008 360 -28457 P t- 1.0449 0.9193 61N 68E 0 - -
24-15 -0283-Apr-0213:11:30 13766 354 -28234 T t- 0.9918 1.0166 61N 43W 6 52500m58s
25-14 -0265-Apr-1320:36:03 13529 348 -28011 T p- 0.9312 1.0201 60N 133W 21 18701m16s
26-13 -0247-Apr-2403:55:06 13298 342 -27788 T p- 0.8666 1.0211 59N 127E 30 14301m23s
27-12 -0229-May-0511:06:30 13070 336 -27565 T p- 0.7967 1.0210 59N 27E 37 11801m25s
28-11 -0211-May-1518:13:35 12848 330 -27342 T p- 0.7238 1.0201 59N 72W 43 9901m25s
29-10 -0193-May-2701:15:58 12629 324 -27119 T p- 0.6477 1.0181 58N 170W 49 8101m20s
30 -9 -0175-Jun-0608:16:52 12415 318 -26896 T p- 0.5713 1.0156 56N 92E 55 6501m13s
31 -8 -0157-Jun-1715:16:22 12205 313 -26673 H p- 0.4944 1.0121 53N 7W 60 4801m00s
32 -7 -0139-Jun-2722:15:22 11999 307 -26450 H p- 0.4180 1.0081 49N 108W 65 3100m42s
33 -6 -0121-Jul-0905:16:38 11797 301 -26227 H n- 0.3445 1.0034 44N 150E 70 1200m19s
34 -5 -0103-Jul-1912:20:25 11597 296 -26004 A nn 0.2742 0.9982 38N 45E 74 600m11s
35 -4 -0085-Jul-3019:28:57 11402 290 -25781 A nn 0.2085 0.9926 32N 62W 78 2700m46s
36 -3 -0067-Aug-1002:41:43 11209 285 -25558 A nn 0.1475 0.9867 25N 171W 81 4701m26s
37 -2 -0049-Aug-2110:01:53 11019 279 -25335 Am nn 0.0936 0.9807 19N 77E 85 6902m10s
38 -1 -0031-Aug-3117:28:09 10832 274 -25112 A nn 0.0459 0.9745 12N 36W 87 9102m55s
39 0 -0013-Sep-1201:01:35 10648 269 -24889 A nn 0.0051 0.9685 6N 152W 90 11303m41s
40 1 0005-Sep-2208:42:04 10465 263 -24666 A nn -0.0290 0.9626 0S 91E 88 13504m25s
Catalog of Solar Eclipses of Saros 73
Seq Num Rel Num Calendar Date TD of Greatest Eclipse ΔT

s
ΔT Sigma
s
Luna Num Ecl Type QLE Gamma Ecl Mag Lat

°
Long

°
Sun Alt
°
Path Width km Central Dur
41 2 0023-Oct-0316:30:44 10285 258 -24443 A nn -0.0557 0.9570 6S 28W 87 15705m07s
42 3 0041-Oct-1400:25:44 10107 253 -24220 A nn -0.0761 0.9519 12S 149W 86 17705m47s
43 4 0059-Oct-2508:26:33 9931 248 -23997 A nn -0.0912 0.9472 17S 90E 85 19506m23s
44 5 0077-Nov-0416:32:22 9756 243 -23774 A nn -0.1014 0.9431 21S 32W 84 21106m55s
45 6 0095-Nov-1600:42:47 9582 238 -23551 A nn -0.1074 0.9396 25S 155W 84 22507m23s
46 7 0113-Nov-2608:54:11 9409 233 -23328 A nn -0.1121 0.9369 28S 83E 83 23607m44s
47 8 0131-Dec-0717:06:32 9237 228 -23105 A nn -0.1154 0.9347 30S 39W 83 24507m59s
48 9 0149-Dec-1801:16:35 9066 223 -22882 A nn -0.1202 0.9332 31S 161W 83 25108m07s
49 10 0167-Dec-2909:24:43 8895 218 -22659 A nn -0.1261 0.9324 31S 79E 83 25508m08s
50 11 0186-Jan-0817:25:49 8724 214 -22436 A nn -0.1374 0.9321 30S 40W 82 25608m01s
51 12 0204-Jan-2001:22:14 8553 209 -22213 A nn -0.1521 0.9324 29S 158W 81 25607m51s
52 13 0222-Jan-3009:09:13 8383 204 -21990 A nn -0.1742 0.9331 27S 86E 80 25407m36s
53 14 0240-Feb-1016:48:27 8211 200 -21767 A nn -0.2020 0.9342 25S 28W 78 25007m21s
54 15 0258-Feb-2100:16:10 8039 195 -21544 A nn -0.2390 0.9355 23S 140W 76 24707m06s
55 16 0276-Mar-0307:35:58 7867 191 -21321 A -n -0.2820 0.9370 21S 110E 73 24306m53s
56 17 0294-Mar-1414:44:30 7694 186 -21098 A -p -0.3342 0.9385 20S 3E 70 24006m43s
57 18 0312-Mar-2421:43:45 7520 182 -20875 A -p -0.3934 0.9401 18S 101W 67 23906m36s
58 19 0330-Apr-0504:33:15 7345 178 -20652 A -p -0.4602 0.9413 18S 156E 62 24106m34s
59 20 0348-Apr-1511:15:32 7169 173 -20429 A -p -0.5325 0.9424 19S 56E 58 24706m35s
60 21 0366-Apr-2617:50:06 6992 169 -20206 A -p -0.6109 0.9430 21S 43W 52 26006m38s
61 22 0384-May-0700:18:43 6815 165 -19983 A -p -0.6939 0.9432 24S 141W 46 28406m42s
62 23 0402-May-1806:43:20 6637 161 -19760 A -p -0.7798 0.9428 29S 122E 39 33106m44s
63 24 0420-May-2813:05:22 6459 157 -19537 A -p -0.8672 0.9415 37S 26E 30 43006m38s
64 25 0438-Jun-0819:25:34 6281 153 -19314 A -t -0.9556 0.9388 49S 70W 17 78206m18s
65 26 0456-Jun-1901:46:47 6103 149 -19091 P -t -1.0430 0.8890 66S 166W 0 - -
66 27 0474-Jun-3008:09:52 5926 145 -18868 P -t -1.1284 0.7427 67S 87E 0 - -
67 28 0492-Jul-1014:37:23 5749 141 -18645 P -t -1.2098 0.6034 68S 21W 0 - -
68 29 0510-Jul-2121:08:23 5573 137 -18422 P -t -1.2881 0.4695 69S 131W 0 - -
69 30 0528-Aug-0103:47:32 5396 133 -18199 P -t -1.3594 0.3478 70S 116E 0 - -
70 31 0546-Aug-1210:33:19 5221 130 -17976 P -t -1.4252 0.2359 70S 2E 0 - -
71 32 0564-Aug-2217:29:08 5047 126 -17753 P -t -1.4831 0.1378 71S 116W 0 - -
72 33 0582-Sep-0300:33:20 4875 122 -17530 Pe -t -1.5344 0.0513 72S 124E 0 - -

Statistics for Solar Eclipses of Saros 73

Solar eclipses of Saros 73 all occur at the Moon’s ascending node and the Moon moves southward with each eclipse. The series began with a partial eclipse in the northern hemisphere on -0698 Jul 27. The series ended with a partial eclipse in the southern hemisphere on 0582 Sep 03. The total duration of Saros series 73 is 1280.14 years.

Summary of Saros 73
First Eclipse -0698 Jul 27
Last Eclipse 0582 Sep 03
Series Duration 1280.14 Years
No. of Eclipses 72
Sequence 23P 7T 3H 31A 8P

Saros 73 is composed of 72 solar eclipses as follows:

Solar Eclipses of Saros 73
Eclipse Type Symbol Number Percent
All Eclipses - 72100.0%
PartialP 31 43.1%
AnnularA 31 43.1%
TotalT 7 9.7%
HybridH 3 4.2%

Umbral eclipses (annular, total and hybrid) can be further classified as either: 1) Central (two limits), 2) Central (one limit) or 3) Non-Central (one limit). The statistical distribution of these classes in Saros series 73 appears in the following table.

Umbral Eclipses of Saros 73
Classification Number Percent
All Umbral Eclipses 41100.0%
Central (two limits) 41100.0%
Central (one limit) 0 0.0%
Non-Central (one limit) 0 0.0%

The 72 eclipses in Saros 73 occur in the following order : 23P 7T 3H 31A 8P

The longest and shortest central eclipses of Saros 73 as well as largest and smallest partial eclipses appear below.

Extreme Durations and Magnitudes of Solar Eclipses of Saros 73
Extrema Type Date Duration Magnitude
Longest Annular Solar Eclipse 0167 Dec 2908m08s -
Shortest Annular Solar Eclipse -0103 Jul 1900m11s -
Longest Total Solar Eclipse -0229 May 0501m25s -
Shortest Total Solar Eclipse -0283 Apr 0200m58s -
Longest Hybrid Solar Eclipse -0157 Jun 1701m00s -
Shortest Hybrid Solar Eclipse -0121 Jul 0900m19s -
Largest Partial Solar Eclipse -0301 Mar 23 - 0.91932
Smallest Partial Solar Eclipse 0582 Sep 03 - 0.05126

Links to Additional Solar Eclipse Predictions

Calendar

The Gregorian calendar (also called the Western calendar) is internationally the most widely used civil calendar. It is named for Pope Gregory XIII, who introduced it in 1582. On this website, the Gregorian calendar is used for all calendar 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..

Eclipse Predictions

The eclipse predictions presented here were generated using the JPL DE406 solar and lunar ephemerides. The lunar coordinates have been calculated with respect to the Moon's Center of Mass.

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 -2999 to +3000. The uncertainty in ΔT over this period can be estimated from scatter in the measurements.

Acknowledgments

Some of the content on this web site is based on the books Five Millennium Canon of Solar Eclipses: -1999 to +3000 and Thousand Year Canon of Solar Eclipses 1501 to 2500. All eclipse calculations are by Fred Espenak, and he assumes full responsibility for their accuracy.

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

"Eclipse Predictions by Fred Espenak, www.EclipseWise.com"

The use of diagrams and maps is permitted provided that they are NOT altered (except for re-sizing) and the embedded credit line is NOT removed or covered.