The following table contains the Besseliam elements for the Annular Solar Eclipse of 2020 Jun 21 .
The geographic coordinates of the eclipse path are listed in the Path Table . The global visibility of the eclipse is shown on an Orthographic Map . The features of this map are described in the Key to Solar Eclipse Path Tables. The path of the eclipse is displayed in greater detail on a Google Map .
Besselian Elements for the Annular Solar Eclipse of 2020 Jun 21
Equatorial Conjunction: 06:42:34.5 TDT J.D. = 2459021.779565
(Sun & Moon in R.A.) (=06:41:25.1 UT)
Ecliptic Conjunction: 06:42:36.6 TDT J.D. = 2459021.779591
(Sun & Moon in Ec. Lo.) (=06:41:27.3 UT)
Instant of 06:41:15.4 TDT J.D. = 2459021.778650
Greatest Eclipse: (=06:40:06.0 UT)
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Gamma = 0.1209 Ephemerides = JPL DE405
Eclipse Magnitude = 0.9940 Lunation No. = 253
ΔT = 69.4 s Saros Series = 137 (36/70)
Lunar Radius k1 = 0.272508 (Penumbra) Shift in Δb = 0.00"
Constants: k2 = 0.272281 (Umbra) Lunar Position: Δl = 0.00"
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Geocentric Coordinates of Sun & Moon at Greatest Eclipse (JPL DE405):
Sun: R.A. = 06h01m33.0s Moon: R.A. = 06h01m30.2s
Dec. =+23°26'09.7" Dec. =+23°32'56.7"
Semi-Diameter = 15'44.2" Semi-Diameter = 15'24.0"
Eq.Hor.Par. = 08.7" Eq.Hor.Par. = 0°56'31.1"
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Polynomial Besselian Elements for: 2020 Jun 21 07:00:00.0 TDT (=t0)
n x y d l1 l2 μ
0 0.154260 0.136404 23.43567 0.552336 0.006148 284.53555
1 0.5311528 0.0513871 -0.000233 -0.0001223 -0.0001217 14.999111
2 0.0000258 -0.0001609 -0.000006 -0.0000107 -0.0000107
3 -0.0000069 -0.0000008
Tan ƒ1 = 0.0046009 Tan ƒ2 = 0.0045780
At time t1 (decimal hours), each Besselian element is evaluated by:
a = a0 + a1*t + a2*t^2 + a3*t^3 (or a = Σ [an*t^n]; n = 0 to 3)
where: a = x, y, d, l1, l2, or μ
t = t1 - t0 (decimal hours) and t0 = 7.000 TDT
The Besselian elements were derived from a least-squares fit to elements
calculated at five uniformly spaced times over a six hour period centered at t0.
The Besselian elements are valid over the period 4.00 ≤ t0 ≤ 10.00 TDT.
Note that all times are expressed in Terrestrial Dynamical Time (TDT).
Saros Series 137: Member 36 of 70 eclipses in series.
Instant of Greatest Eclipse: Time = 06:40:06.0 UT Lat = 30°31.2'N Long = 079°39.9'E (GE) Sun Altitude = 82.9° Path Width = 21.2 km Sun Azimuth = 174.2° Central Duration = 00m38.2s Instant of Greatest Duration: Time = 04:48:28 UT Lat = 01°16'N Long = 017°48'E (GD) Sun Altitude = 0.0° Path Width = 85.2 km Sun Azimuth = 66.6° Central Duration = 01m22.4s
Predictions for the Annular Solar Eclipse of 2020 Jun 21 were generated using the JPL DE405 solar and lunar ephemerides and a value of ΔT = 69.4 seconds.
All eclipse calculations are by Fred Espenak, and he assumes full responsibility for their accuracy. Permission is freely granted to reproduce this data when accompanied by an acknowledgment:
"Eclipse Predictions by Fred Espenak, NASA's GSFC"
For more information, see: NASA Copyright Information
