Table 2. Shadow Contacts and Circumstances,
Total Solar Eclipse of 2002 December 04
T = 64.7 s
= 000°16´13.2"E
Terrestrial
Dynamical Ephemeris True
Time Latitude Longitude Longitude*
h m s
External/Internal
Contacts of Penumbra: P1 04:52:27.3 01°57.0'N 015°11.4'E 015°27.6'E
P2 06:56:18.3 26°05.1'S 028°06.1'W 027°49.8'W
P3 08:08:01.1 49°28.1'S 174°03.7'E 174°19.9'E
P4 10:12:05.3 22°44.6'S 124°22.1'E 124°38.3'E
Extreme
North/South Limits
of Penumbral Path: N1 05:39:35.8 24°51.3'N 013°30.9'E 013°47.2'E
S1 06:40:34.2 40°30.0'S 033°03.0'W 032°46.8'W
N2 09:25:02.8 00°12.2'N 126°05.3'E 126°21.5'E
S2 08:23:41.4 61°14.5'S 170°16.7'W 170°00.5'W
External/Internal
Contacts of Umbra: U1 05:51:23.9 03°53.5'S 001°55.9'W 001°39.7'W
U2 05:51:53.1 03°58.0'S 002°05.1'W 001°48.9'W
U3 09:12:35.8 28°32.3'S 142°12.8'E 142°29.0'E
U4 09:13:00.8 28°28.6'S 142°04.5'E 142°20.7'E
Extreme
North/South Limits
of Umbral Path: N1 05:51:32.0 03°48.5'S 001°55.9'W 001°39.7'W
S1 05:51:45.0 04°03.0'S 002°05.1'W 001°48.9'W
N2 09:12:53.9 28°24.4'S 142°04.0'E 142°20.2'E
S2 09:12:42.6 28°36.5'S 142°13.4'E 142°29.6'E
Extreme Limits
of Center Line: C1 05:51:38.5 03°55.8'S 002°00.5'W 001°44.3'W
C2 09:12:48.3 28°30.5'S 142°08.7'E 142°24.9'E
Instant of
Greatest Eclipse: G0 07:32:15.7 39°27.4'S 059°16.9'E 059°33.1'E
Circumstances at
Greatest Eclipse: SunŐs Altitude = 72.2° Path Width = 87.0 km
SunŐs Azimuth = 15.8° Central Duration = 02m03.8s
* Ephemeris Longitude is the terrestrial dynamical longitude assuming a
uniformly rotating Earth.
** True Longitude is calculated by correcting the Ephemeris Longitude for
the non-uniform rotation of Earth.
(T.L. = E.L. - 1.002738*
T/240, where
T(in seconds) = TDT - UT)
Note: Longitude is measured positive to the East.
Since
T is not known in advance,
the value used in the predictions is an
extrapolation based on pre-2002 measurements. Nevertheless, the actual
value is expected to fall within ±0.5 seconds of the estimated
T used here.
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