ECLIPSE SUBSTITUTION METHOD
June 21, 2001 Total Solar Eclipse Lusaka, Zambia
Time of Mid-Eclipse: ..................13:10:00 UT
Primary Observation Site.............14* 50.1'S ,27* 38.8'E
Duration of Totality.....................3:38.1
First Contact...............................11:53 UT
Start of Totality...........................13:08:12 UT
Mid-Eclipse: ...............................13:10:00 UT
End of Totality............................13:11:50 UT
Last Contact...............................14:29 UT
Distance of Earth from Sun..............................94,465,600+1000Miles(A)
Distance of Moon from Earth...........................226,684 Miles(B)
Distance of Moon from Sun (A-B)...................94,238,916+1000Miles(C)
Length of Moon's Shadow
(C)/399.64814 (Last Constant).........................235,804.72 Miles(D)
Distance of Moon to Observation Site..............222,884+20Miles(E)
Moon's Shadow Extension into the Earth(D-E)......................................................12,920.72 Miles (F)
Linear Diameter of Moon's Shadow
(F/D x 2160 Moon's Diameter)........................118.356 Miles(G)
Projected Diameter of Moon's Shadow
on the Earth....................................................138.93 Miles(H)
Speed of Moon's Shadow in Orbit..................2,289 MPH (I)
Speed of Moon's Shadow @ Observation Site
Speed of Moon minus Rotation of Earth..........2294 MPH(J)
Speed of Moon's Shadow
@ Observation Site.........................................38.24MPM (K)
Speed of Moon's Shadow
@ Observation Site.........................................0.637 MPS (L)
Duration Of Totality (H/L)...............................218.1 Seconds
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