[求助]日全食时间的概率
比如发生1000次日全食，其中全食最长的地点全食时间（食既到生光）超过7分钟的有几次？超过6分钟的有几次？超过5分钟的有几次？不到1分钟的有几次？平均时间是多少？ 你的問題答案從每個沙羅週期可以找到。以今次日食 Saro 126 (長1280.14年) 為例[font=新宋体]Catalog of Solar Eclipse Saros 126
TD of
Seq. Rel. Calendar Greatest Luna Ecl. Ecl. Sun Sun Path Central
Num. Num. Date Eclipse ΔT Num. Type Gamma Mag. Lat. Long. Alt Azm Width Dur.
s ° ° ° ° km
01 -32 1179 Mar 10 07:39:51 805 -10152 Pb -1.5356 0.0536 72.0S 165.5E 0 265
02 -31 1197 Mar 20 14:48:56 751 -9929 P -1.4880 0.1327 72.0S 43.9E 0 279
03 -30 1215 Mar 31 21:50:41 697 -9706 P -1.4344 0.2222 71.7S 75.8W 0 292
04 -29 1233 Apr 11 04:41:24 643 -9483 P -1.3717 0.3278 71.2S 167.7E 0 306
05 -28 1251 Apr 22 11:26:32 590 -9260 P -1.3041 0.4423 70.5S 53.1E 0 319
06 -27 1269 May 02 18:03:15 544 -9037 P -1.2291 0.5699 69.7S 58.9W 0 331
07 -26 1287 May 14 00:35:25 497 -8814 P -1.1500 0.7052 68.8S 169.0W 0 342
08 -25 1305 May 24 07:02:17 455 -8591 P -1.0658 0.8496 67.8S 82.7E 0 353
09 -24 1323 Jun 04 13:27:55 423 -8368 As -0.9799 0.9383 56.1S 23.5W 11 3 - 05m59s
10 -23 1341 Jun 14 19:52:10 391 -8145 A -0.8922 0.9433 39.6S 123.4W 27 7 465 06m25s
11 -22 1359 Jun 26 02:16:31 360 -7922 A -0.8038 0.9463 29.9S 138.2E 36 11 330 06m30s
12 -21 1377 Jul 06 08:43:28 332 -7699 A -0.7168 0.9484 22.8S 40.1E 44 15 269 06m24s
13 -20 1395 Jul 17 15:14:16 303 -7476 A -0.6318 0.9497 17.7S 58.3W 51 18 234 06m12s
14 -19 1413 Jul 27 21:50:24 277 -7253 A -0.5506 0.9506 14.1S 157.6W 57 22 214 05m58s
15 -18 1431 Aug 08 04:33:00 252 -7030 A -0.4737 0.9509 12.0S 101.9E 62 25 201 05m45s
16 -17 1449 Aug 18 11:24:05 227 -6807 A -0.4030 0.9509 11.1S 0.6W 66 27 194 05m35s
17 -16 1467 Aug 29 18:24:29 209 -6584 A -0.3391 0.9505 11.3S 105.3W 70 29 191 05m29s
18 -15 1485 Sep 09 01:33:06 191 -6361 A -0.2811 0.9500 12.4S 147.9E 74 30 190 05m26s
19 -14 1503 Sep 20 08:52:38 174 -6138 A -0.2314 0.9494 14.1S 38.5E 77 30 190 05m27s
20 -13 1521 Sep 30 16:21:42 160 -5915 A -0.1892 0.9489 16.2S 73.3W 79 29 191 05m30s
21 -12 1539 Oct 12 00:01:45 146 -5692 A -0.1551 0.9484 18.7S 172.2E 81 28 192 05m35s
22 -11 1557 Oct 22 07:49:28 133 -5469 A -0.1266 0.9482 21.1S 56.0E 83 25 192 05m40s
23 -10 1575 Nov 02 15:47:27 123 -5246 A -0.1061 0.9483 23.5S 62.6W 84 22 191 05m44s
24 -09 1593 Nov 22 23:52:06 112 -5023 A -0.0906 0.9488 25.4S 177.4E 85 18 189 05m46s
25 -08 1611 Dec 04 08:03:43 99 -4800 A -0.0803 0.9498 26.9S 56.0E 85 13 185 05m44s
26 -07 1629 Dec 14 16:19:07 84 -4577 A -0.0725 0.9513 27.6S 66.2W 86 9 179 05m38s
27 -06 1647 Dec 26 00:38:35 49 -4354 A -0.0675 0.9535 27.4S 170.6E 86 4 170 05m25s
28 -05 1666 Jan 05 08:58:51 30 -4131 A -0.0624 0.9562 26.3S 47.1E 86 359 160 05m07s
29 -04 1684 Jan 16 17:18:53 12 -3908 A -0.0565 0.9596 24.2S 76.7W 87 355 147 04m43s
30 -03 1702 Jan 28 01:37:10 8 -3685 A -0.0484 0.9636 21.2S 159.6E 87 351 132 04m14s
31 -02 1720 Feb 08 09:52:31 10 -3462 A -0.0375 0.9681 17.4S 36.1E 88 348 115 03m40s
32 -01 1738 Feb 18 18:02:31 11 -3239 A -0.0211 0.9732 12.8S 86.7W 89 346 96 03m03s
33 00 1756 Mar 01 02:07:09 14 -3016 A 0.0006 0.9787 7.5S 151.4E 90 31 76 02m24s
34 01 1774 Mar 12 10:05:14 16 -2793 A 0.0284 0.9845 1.7S 30.8E 88 162 55 01m43s
35 02 1792 Mar 22 17:57:34 16 -2570 A 0.0618 0.9905 4.5N 88.7W 86 162 33 01m02s
36 03 1810 Apr 04 01:41:19 12 -2347 A 0.1031 0.9967 11.1N 153.8E 84 163 12 00m21s
37 04 1828 Apr 14 09:19:38 8 -2124 Hm 0.1498 1.0029 17.9N 37.7E 81 164 10 00m18s
38 05 1846 Apr 25 16:50:30 6 -1901 H 0.2038 1.0088 24.8N 76.2W 78 165 31 00m53s
39 06 1864 May 06 00:16:48 6 -1678 H 0.2622 1.0146 31.6N 171.5E 75 168 52 01m25s
40 07 1882 May 17 07:36:27 -5 -1455 T 0.3269 1.0200 38.4N 61.6E 71 171 72 01m50s
41 08 1900 May 28 14:53:56 -2 -1232 T 0.3943 1.0249 44.8N 46.5W 67 175 92 02m10s
42 09 1918 Jun 08 22:07:43 21 -1009 T 0.4658 1.0292 50.9N 152.0W 62 180 112 02m23s
43 10 1936 Jun 19 05:20:31 24 -786 T 0.5389 1.0329 56.1N 104.7E 57 188 132 02m31s
44 11 1954 Jun 30 12:32:38 31 -563 T 0.6135 1.0357 60.5N 4.2E 52 197 153 02m35s
45 12 1972 Jul 10 19:46:38 43 -340 T 0.6872 1.0379 63.5N 94.2W 46 209 175 02m36s
46 13 1990 Jul 22 03:03:07 57 -117 T 0.7597 1.0391 65.2N 168.9E 40 222 201 02m33s
47 14 2008 Aug 01 10:22:12 65 106 T 0.8307 1.0394 65.7N 72.3E 34 235 237 02m27s
48 15 2026 Aug 12 17:47:06 75 329 T 0.8977 1.0386 65.2N 25.2W 26 248 294 02m18s
49 16 2044 Aug 23 01:17:02 87 552 T 0.9613 1.0364 64.3N 120.5W 15 264 453 02m04s
50 17 2062 Sep 03 08:54:27 120 775 P 1.0191 0.9749 61.3N 150.3E 0 286
51 18 2080 Sep 13 16:38:09 159 998 P 1.0723 0.8743 61.1N 25.8E 0 277
52 19 2098 Sep 25 00:31:16 200 1221 P 1.1184 0.7871 61.1N 101.0W 0 268
53 20 2116 Oct 06 08:31:51 243 1444 P 1.1589 0.7105 61.2N 130.4E 0 259
54 21 2134 Oct 17 16:40:42 288 1667 P 1.1931 0.6458 61.5N 0.4W 0 250
55 22 2152 Oct 28 00:57:34 334 1890 P 1.2213 0.5926 61.9N 133.3W 0 241
56 23 2170 Nov 08 09:23:07 373 2113 P 1.2426 0.5524 62.5N 91.6E 0 232
57 24 2188 Nov 18 17:55:25 415 2336 P 1.2591 0.5212 63.2N 45.5W 0 222
58 25 2206 Dec 01 02:33:55 458 2559 P 1.2711 0.4985 64.1N 175.7E 0 212
59 26 2224 Dec 11 11:17:51 504 2782 P 1.2791 0.4834 65.0N 35.2E 0 202
60 27 2242 Dec 22 20:06:40 551 3005 P 1.2836 0.4750 66.0N 106.9W 0 192
61 28 2261 Jan 02 04:56:54 601 3228 P 1.2873 0.4679 67.1N 110.2E 0 181
62 29 2279 Jan 13 13:49:06 653 3451 P 1.2899 0.4630 68.2N 33.7W 0 170
63 30 2297 Jan 23 22:39:47 707 3674 P 1.2940 0.4550 69.2N 177.8W 0 158
64 31 2315 Feb 05 07:29:49 763 3897 P 1.2991 0.4453 70.1N 37.6E 0 145
65 32 2333 Feb 15 16:14:20 821 4120 P 1.3087 0.4270 70.9N 106.2W 0 132
66 33 2351 Feb 27 00:56:12 881 4343 P 1.3209 0.4037 71.5N 110.1E 0 119
67 34 2369 Mar 09 09:30:24 943 4566 P 1.3392 0.3686 71.9N 32.2W 0 105
68 35 2387 Mar 20 17:59:08 1007 4789 P 1.3624 0.3241 72.1N 173.3W 0 90
69 36 2405 Mar 31 02:18:52 1073 5012 P 1.3928 0.2654 71.9N 47.9E 0 76
70 37 2423 Apr 11 10:32:41 1142 5235 P 1.4282 0.1970 71.6N 89.1W 0 63
71 38 2441 Apr 21 18:37:49 1212 5458 P 1.4706 0.1149 71.0N 136.4E 0 50
72 39 2459 May 03 02:35:54 1285 5681 Pe 1.5188 0.0214 70.3N 4.3E 0 37[/font]
[[i] 本帖最后由 occultation 于 2008-8-8 02:26 编辑 [/i]] 有關其它沙羅週期可參考：
http://eclipse.gsfc.nasa.gov/SEsaros/SEsaros0-180.html
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