Path of the Total Solar Eclipse of 1787 Jun 15

Fred Espenak

Introduction

The following table delineates the path of the Moon's umbral shadow during the Total Solar Eclipse of 1787 Jun 15 . The geographic coordinates (WGS 84) of the northern and southern limits and the central line are listed at 120-second intervals. This provides adequate detail for making plots of the path on larger scale maps. Local circumstances on the central line include the ratio of the apparent diameters of the Moon to the Sun, the Sun's altitude and azimuth (degrees), the path width (kilometers) and the duration on the central line (minutes and seconds). See the Explanation of the Central Eclipse Path Table for a description of each column in the table.

The geographic visibility of the eclipse is shown on a global map on the Prime Page for the Eclipse which also includes complete details on the eclipse. The path of the eclipse is displayed in greater detail on an interactive Google Map .

Total Solar Eclipse of 1787 Jun 15
UT1 Northern Limit Southern Limit Central Line M:S Sun Sun Path Central
Latitude Longitude Latitude Longitude Latitude Longitude Ratio Alt. Azm. Width Duration
Limits66°19.9'N133°27.3'E63°28.6'N157°29.6'E64°57.8'N148°13.4'E 1.061 - 1091 km 02m44.3s
15:38 - - 74°55.6'N161°33.8'E68°27.5'N150°04.6'E 1.062 22° 1096 km 02m51.0s
15:40 - - 76°28.1'N159°51.9'E71°15.9'N149°31.5'E 1.063 23° 1079 km 02m56.0s
15:42 - - 77°50.4'N157°24.3'E73°11.2'N147°41.8'E 1.063 21° 1061 km 02m59.3s
15:44 - - 79°03.8'N154°05.0'E74°42.3'N145°00.2'E 1.064 19° 1045 km 03m01.7s
15:46 - - 80°08.4'N149°45.9'E75°56.7'N141°31.7'E 1.064 10° 17° 1031 km 03m03.7s
15:4869°34.2'N132°05.8'E81°03.7'N144°18.4'E76°57.2'N137°18.2'E 1.064 11° 13° 1020 km 03m05.2s
15:5071°13.1'N128°52.4'E81°48.5'N137°36.5'E77°44.8'N132°22.4'E 1.064 11° 1011 km 03m06.5s
15:5272°14.7'N125°03.8'E82°21.3'N129°41.8'E78°19.7'N126°49.4'E 1.065 12° 1005 km 03m07.4s
15:5472°53.5'N120°53.3'E82°40.6'N120°49.4'E78°41.7'N120°48.5'E 1.065 12° 359° 1000 km 03m08.1s
15:5673°14.1'N116°30.7'E82°45.2'N111°29.9'E78°50.9'N114°32.6'E 1.065 12° 354° 998 km 03m08.5s
15:5873°18.8'N112°05.2'E82°35.1'N102°22.5'E78°47.4'N108°17.2'E 1.065 12° 349° 997 km 03m08.8s
16:0073°08.6'N107°46.0'E82°11.6'N094°02.1'E78°31.7'N102°17.3'E 1.065 12° 343° 998 km 03m08.8s
16:0272°44.0'N103°41.3'E81°36.4'N086°49.5'E78°04.7'N096°45.1'E 1.065 12° 339° 1001 km 03m08.6s
16:0472°05.0'N099°58.1'E80°51.8'N080°50.1'E77°27.2'N091°48.6'E 1.065 12° 335° 1006 km 03m08.1s
16:0671°10.6'N096°43.0'E79°59.3'N075°59.7'E76°40.2'N087°31.8'E 1.065 12° 331° 1013 km 03m07.5s
16:0869°57.3'N094°02.6'E79°00.5'N072°09.4'E75°44.3'N083°55.3'E 1.064 11° 328° 1022 km 03m06.5s
16:1068°15.1'N092°09.5'E77°56.2'N069°10.0'E74°40.0'N080°58.0'E 1.064 11° 326° 1033 km 03m05.4s
16:12 - - 76°46.9'N066°53.2'E73°26.9'N078°38.2'E 1.064 10° 325° 1045 km 03m03.9s
16:14 - - 75°32.7'N065°12.3'E72°04.1'N076°54.8'E 1.064 324° 1060 km 03m02.0s
16:16 - - 74°13.3'N064°02.5'E70°29.0'N075°48.6'E 1.063 323° 1076 km 02m59.6s
16:18 - - 72°48.0'N063°20.7'E68°35.5'N075°25.4'E 1.063 323° 1092 km 02m56.5s
16:20 - - 71°15.4'N063°05.9'E66°03.7'N076°10.2'E 1.062 325° 1104 km 02m51.9s
Limits64°38.6'N092°37.7'E60°10.0'N071°53.5'E62°13.9'N079°44.0'E 1.061 - 1087 km 02m44.1s

ΔT = 16.4 seconds

Greatest Eclipse and Greatest Duration
Event Time
TD
Time
UT1
Latitude Longitude Sun
Altitude
Sun
Azimuth
Path Width Central
Duration
Greatest Eclipse15:59:24.715:59:08.378°39.9'N104°45.5'E 12.4° 345.6° 997.3 km03m08.80s
Greatest Duration15:59:21.315:59:04.978°40.4'N104°59.7'E 12.4° 345.7° 997.3 km03m08.80s

Explanation of Greatest Eclipse and Greatest Duration

Links for the Total Solar Eclipse of 1787 Jun 15

Links to Additional Solar Eclipse Predictions

  • Home - home page of EclipseWise with predictions for both solar and lunar eclipses
  • Solar Eclipses - primary page for solar eclipse predictions
  • Solar Eclipse Links - detailed directory of links

Eclipse Predictions

Predictions for the Total Solar Eclipse of 1787 Jun 15 were generated using the JPL DE406 solar and lunar ephemerides. The lunar coordinates were calculated with respect to the Moon's Center of Mass. Although the predictions are first calculated in Terrestrial Dynamical Time (TD), they are then converted to Universal Time (UT1) as presented here. The parameter ΔT is used to convert between the two times (i.e., UT1 = TD - ΔT). ΔT has a value of 16.4 seconds for this eclipse. The uncertainty in ΔT is 1.5 seconds corresponding to a standard error in longitude of the eclipse path of ± 0.01°.

Acknowledgments

All eclipse calculations are by Fred Espenak, and he assumes full responsibility for their accuracy.

Permission is granted to reproduce eclipse data when accompanied by a link to this page and an acknowledgment:

"Eclipse Predictions by Fred Espenak, EclipseWise.com"

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