Total solar eclipse of 2017, August 21 The eclipse is visible from Northern and north of South America, Greenland, northeast of Pacific, and north of Atlantic oceans. Universal time of geocentric conjunction h m s in right ascension 2017, August 21, 18 13 13.8 Geocentric coordinates of the Sun h m s s h Right ascension . . . . . . . . 10 04 00.02+ 9.232( T-18 ) o ' " " h Declination . . . . . . . . . . +11 52 04.3 -50.27 ( T-18 ) " Equatorial horizontal parallax . . . . . 8.69 ' " Apparent semidiameter . . . . . 15 48.68 Geocentric coordinates of the Moon h m s s h s h 2 Right ascension . . . . . . . . 10 03 31.32+139.408(T-18 )-0.138(T-18 ) o ' " " h " h 2 Declination . . . . . . . . . . +12 20 27.0 -549.81 (T-18 )-1.99 (T-18 ) ' " " h " h 2 Equatorial horizontal parallax . . . 58 56.34- 1.449(T-18 )-0.008(T-18 ) ' " " h " h 2 Apparent semidiameter . . . . . . . 16 03.64- 0.395(T-18 )-0.002(T-18 ) s T - universal time in hours ( TDT - UT1 = 69.0 ) General Circumstances of the Eclipse ------------------------------------------------------------------------------------ Phenomena | Universal | Latitude | Longitude | Time | | ---------------------------------------|---------------|------------|--------------- | h m | o ' | o ' Eclipse begins . . . . . . . . . . . .| 15 46.8 | +30 25.4 | 153 21.8 W Central eclipse begins . . . . . . . .| 16 49.1 | +39 43.8 | 171 34.3 W Central eclipse at local apparent noon | 18 13.2 | +38 55.7 | 92 33.2 W Central eclipse ends . . . . . . . . .| 20 02.1 | +11 01.2 | 27 28.9 W Eclipse ends . . . . . . . . . . . . .| 21 04.4 | + 1 38.7 | 44 44.7 W Besselian Elements ------------------------------------------------------------------------------ Universal| x | y | sin d | cos d | u | u | m Time | | | | | e | i | --------|---------|---------|---------|---------|---------|---------|--------- h m | | | | | | | o ' 15 40 |-1.38077 |+0.81269 |+0.20618 |+0.97851 |+0.54176 |-0.00460 | 54 14.1 50 |-1.29066 |+0.78915 |+0.20614 |+0.97852 |+0.54179 |-0.00457 | 56 44.2 | | | | | | | 16 00 |-1.20055 |+0.76561 |+0.20610 |+0.97853 |+0.54182 |-0.00454 | 59 14.2 10 |-1.11044 |+0.74207 |+0.20606 |+0.97854 |+0.54185 |-0.00451 | 61 44.3 20 |-1.02033 |+0.71852 |+0.20602 |+0.97855 |+0.54188 |-0.00449 | 64 14.3 30 |-0.93022 |+0.69496 |+0.20598 |+0.97856 |+0.54190 |-0.00446 | 66 44.3 40 |-0.84010 |+0.67140 |+0.20595 |+0.97856 |+0.54193 |-0.00443 | 69 14.4 50 |-0.74999 |+0.64783 |+0.20591 |+0.97857 |+0.54195 |-0.00441 | 71 44.4 | | | | | | | 17 00 |-0.65988 |+0.62426 |+0.20587 |+0.97858 |+0.54198 |-0.00438 | 74 14.4 10 |-0.56976 |+0.60068 |+0.20583 |+0.97859 |+0.54200 |-0.00436 | 76 44.5 20 |-0.47965 |+0.57709 |+0.20579 |+0.97860 |+0.54203 |-0.00434 | 79 14.5 30 |-0.38954 |+0.55350 |+0.20575 |+0.97860 |+0.54205 |-0.00431 | 81 44.6 40 |-0.29943 |+0.52991 |+0.20571 |+0.97861 |+0.54207 |-0.00429 | 84 14.6 50 |-0.20932 |+0.50631 |+0.20567 |+0.97862 |+0.54209 |-0.00427 | 86 44.6 | | | | | | | 18 00 |-0.11921 |+0.48270 |+0.20564 |+0.97863 |+0.54212 |-0.00425 | 89 14.7 10 |-0.02911 |+0.45909 |+0.20560 |+0.97864 |+0.54214 |-0.00423 | 91 44.7 20 |+0.06100 |+0.43548 |+0.20556 |+0.97864 |+0.54215 |-0.00421 | 94 14.8 30 |+0.15110 |+0.41186 |+0.20552 |+0.97865 |+0.54217 |-0.00419 | 96 44.8 40 |+0.24120 |+0.38824 |+0.20548 |+0.97866 |+0.54219 |-0.00417 | 99 14.8 50 |+0.33129 |+0.36461 |+0.20544 |+0.97867 |+0.54221 |-0.00415 | 101 44.9 | | | | | | | 19 00 |+0.42139 |+0.34097 |+0.20540 |+0.97868 |+0.54223 |-0.00414 | 104 14.9 10 |+0.51148 |+0.31733 |+0.20536 |+0.97869 |+0.54224 |-0.00412 | 106 45.0 20 |+0.60157 |+0.29369 |+0.20533 |+0.97869 |+0.54226 |-0.00411 | 109 15.0 30 |+0.69165 |+0.27004 |+0.20529 |+0.97870 |+0.54227 |-0.00409 | 111 45.0 40 |+0.78173 |+0.24639 |+0.20525 |+0.97871 |+0.54229 |-0.00408 | 114 15.1 50 |+0.87181 |+0.22273 |+0.20521 |+0.97872 |+0.54230 |-0.00406 | 116 45.1 | | | | | | | 20 00 |+0.96188 |+0.19907 |+0.20517 |+0.97873 |+0.54232 |-0.00405 | 119 15.2 10 |+1.05195 |+0.17541 |+0.20513 |+0.97873 |+0.54233 |-0.00404 | 121 45.2 20 |+1.14202 |+0.15174 |+0.20509 |+0.97874 |+0.54234 |-0.00403 | 124 15.2 30 |+1.23208 |+0.12806 |+0.20505 |+0.97875 |+0.54235 |-0.00402 | 126 45.3 40 |+1.32213 |+0.10438 |+0.20501 |+0.97876 |+0.54236 |-0.00400 | 129 15.3 50 |+1.41218 |+0.08070 |+0.20498 |+0.97877 |+0.54237 |-0.00399 | 131 45.4 | | | | | | | 21 00 |+1.50222 |+0.05702 |+0.20494 |+0.97878 |+0.54238 |-0.00399 | 134 15.4 10 |+1.59226 |+0.03333 |+0.20490 |+0.97878 |+0.54239 |-0.00398 | 136 45.4 --------------------------------------------------------------- Univers.| x' | y' !Univers.| x' | y' tgf =0.0046224 Time | | ! Time | | e --------|-----------|-----------!--------|-----------|--------- tgf =0.0045994 h | | ! h | | i 15 | +0.009010 | -0.002351 ! 19 | +0.009009 | -0.002364 m'=0.0043645 16 | +0.009011 | -0.002354 ! 20 | +0.009007 | -0.002366 17 | +0.009011 | -0.002358 ! 21 | +0.009004 | -0.002369 18 | +0.009011 | -0.002361 ! 22 | +0.009000 | -0.002371 Path of Central Phase of Solar Eclipse of 2017, August 21 ------------------------------------------------------------------------------------- ! Southern Limit ! Central Line ! Northern Limit ! | | UT !------------------!------------------!------------------! t | w | h !Latitude|Longitude!Latitude|Longitude!Latitude|Longitude! | | s ---------!--------|---------!--------|---------!--------|---------!------|----|------ ! o ' | o ' ! o ' | o ' ! o ' | o ' ! | | Beginning!+39 29.7|-171 14.6!+39 43.8|-171 34.3!+39 57.8|-171 54.8! | | h m ! | ! | ! | ! m s| | o 16 50 !+41 25.4|-161 17.9!+41 29.7|-162 48.2!+41 30.3|-164 32.0! 1 05 | 73| 7.1 16 55 !+43 17.6|-148 36.2!+43 35.5|-149 20.3!+43 52.8|-150 06.1! 1 23 | 85| 18.0 ! | ! | ! | ! | | 17 00 !+44 02.1|-140 55.6!+44 24.2|-141 28.8!+44 46.0|-142 03.1! 1 34 | 91| 24.5 17 05 !+44 22.7|-134 55.1!+44 47.3|-135 21.4!+45 11.8|-135 48.7! 1 44 | 95| 29.6 17 10 !+44 29.1|-129 50.8!+44 55.6|-130 11.8!+45 21.9|-130 33.5! 1 52 | 99| 33.9 17 15 !+44 25.8|-125 24.1!+44 53.6|-125 40.5!+45 21.4|-125 57.6! 2 00 | 101| 37.7 17 20 !+44 15.1|-121 25.1!+44 44.0|-121 37.4!+45 12.8|-121 50.4! 2 06 | 104| 41.2 17 25 !+43 58.6|-117 47.5!+44 28.2|-117 56.3!+44 57.8|-118 05.5! 2 13 | 106| 44.3 ! | ! | ! | ! | | 17 30 !+43 37.3|-114 27.4!+44 07.4|-114 32.8!+44 37.5|-114 38.6! 2 18 | 108| 47.2 17 35 !+43 11.9|-111 21.8!+43 42.4|-111 24.2!+44 12.9|-111 26.8! 2 23 | 109| 49.9 17 40 !+42 43.0|-108 28.5!+43 13.7|-108 28.0!+43 44.4|-108 27.8! 2 27 | 111| 52.3 17 45 !+42 11.0|-105 45.7!+42 41.8|-105 42.7!+43 12.6|-105 39.8! 2 31 | 112| 54.5 17 50 !+41 36.3|-103 12.1!+42 07.1|-103 06.6!+42 37.9|-103 01.3! 2 35 | 113| 56.6 17 55 !+40 59.1|-100 46.3!+41 29.8|-100 38.7!+42 00.5|-100 31.1! 2 38 | 114| 58.4 ! | ! | ! | ! | | 18 00 !+40 19.7|- 98 27.5!+40 50.2|- 98 17.9!+41 20.7|- 98 08.2! 2 40 | 115| 60.0 18 05 !+39 38.3|- 96 14.8!+40 08.5|- 96 03.3!+40 38.8|- 95 51.7! 2 42 | 116| 61.3 18 10 !+38 55.0|- 94 07.3!+39 24.9|- 93 54.1!+39 54.8|- 93 40.8! 2 43 | 117| 62.4 18 15 !+38 09.8|- 92 04.4!+38 39.4|- 91 49.6!+39 08.9|- 91 34.8! 2 44 | 117| 63.2 18 20 !+37 23.0|- 90 05.4!+37 52.1|- 89 49.2!+38 21.2|- 89 32.9! 2 45 | 118| 63.7 18 25 !+36 34.5|- 88 09.7!+37 03.2|- 87 52.2!+37 31.8|- 87 34.6! 2 45 | 118| 63.9 ! | ! | ! | ! | | 18 30 !+35 44.5|- 86 16.6!+36 12.6|- 85 58.0!+36 40.8|- 85 39.2! 2 44 | 118| 63.8 18 35 !+34 52.9|- 84 25.7!+35 20.5|- 84 05.9!+35 48.1|- 83 46.1! 2 43 | 118| 63.4 18 40 !+33 59.8|- 82 36.3!+34 26.8|- 82 15.6!+34 53.8|- 81 54.7! 2 42 | 118| 62.6 18 45 !+33 05.2|- 80 47.8!+33 31.6|- 80 26.2!+33 58.0|- 80 04.4! 2 40 | 118| 61.6 18 50 !+32 09.0|- 78 59.6!+32 34.8|- 78 37.2!+33 00.5|- 78 14.6! 2 37 | 118| 60.3 18 55 !+31 11.1|- 77 11.2!+31 36.3|- 76 48.0!+32 01.4|- 76 24.7! 2 34 | 118| 58.8 ! | ! | ! | ! | | 19 00 !+30 11.6|- 75 21.6!+30 36.1|- 74 57.8!+31 00.5|- 74 33.8! 2 31 | 117| 57.1 19 05 !+29 10.3|- 73 30.3!+29 34.1|- 73 05.9!+29 57.8|- 72 41.3! 2 27 | 116| 55.1 19 10 !+28 07.1|- 71 36.2!+28 30.2|- 71 11.2!+28 53.1|- 70 46.1! 2 23 | 115| 52.9 19 15 !+27 01.8|- 69 38.4!+27 24.1|- 69 12.8!+27 46.2|- 68 47.1! 2 19 | 114| 50.5 19 20 !+25 54.2|- 67 35.4!+26 15.6|- 67 09.3!+26 36.9|- 66 43.0! 2 13 | 113| 47.9 19 25 !+24 43.9|- 65 25.6!+25 04.5|- 64 59.0!+25 24.9|- 64 32.1! 2 08 | 111| 45.1 ! | ! | ! | ! | | 19 30 !+23 30.6|- 63 06.9!+23 50.2|- 62 39.7!+24 09.6|- 62 12.2! 2 02 | 109| 42.0 19 35 !+22 13.5|- 60 36.2!+22 32.0|- 60 08.3!+22 50.4|- 59 40.2! 1 55 | 106| 38.6 19 40 !+20 51.7|- 57 49.1!+21 09.1|- 57 20.3!+21 26.2|- 56 51.4! 1 48 | 102| 34.9 19 45 !+19 23.8|- 54 38.6!+19 39.7|- 54 08.6!+19 55.5|- 53 38.4! 1 40 | 98| 30.7 19 50 !+17 46.9|- 50 52.0!+18 01.2|- 50 20.1!+18 15.2|- 49 47.8! 1 31 | 93| 25.8 19 55 !+15 55.3|- 46 01.5!+16 07.0|- 45 25.6!+16 18.5|- 44 49.2! 1 20 | 85| 19.8 ! | ! | ! | ! | | 20 00 !+13 28.0|- 38 28.9!+13 34.2|- 37 37.9!+13 39.4|- 36 44.6! 1 06 | 74| 10.8 ! | ! | ! | ! | | End !+10 47.3|- 27 42.0!+11 01.2|- 27 28.9!+11 14.2|- 27 11.9! | | ---------!------------------!------------------!------------------!------|----|------ Time of ! h m s ! h m s ! h m s ! | | beginning! 16 48 47 ! 16 49 04 ! 16 49 20 ! | | end ! 20 02 23 ! 20 02 08 ! 20 01 54 ! | |