The following table contains the Besseliam elements for the Annular Solar Eclipse of 2017 Feb 26 .
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 2017 Feb 26
Equatorial Conjunction: 14:39:54.4 TDT J.D. = 2457811.111046
(Sun & Moon in R.A.) (=14:38:46.1 UT)
Ecliptic Conjunction: 14:59:31.7 TDT J.D. = 2457811.124673
(Sun & Moon in Ec. Lo.) (=14:58:23.5 UT)
Instant of 14:54:32.8 TDT J.D. = 2457811.121213
Greatest Eclipse: (=14:53:24.6 UT)
---------------------------------------------------------------------------
Gamma = -0.4578 Ephemerides = JPL DE405
Eclipse Magnitude = 0.9922 Lunation No. = 212
ΔT = 68.3 s Saros Series = 140 (29/71)
Lunar Radius k1 = 0.272508 (Penumbra) Shift in Δb = 0.00"
Constants: k2 = 0.272281 (Umbra) Lunar Position: Δl = 0.00"
---------------------------------------------------------------------------
Geocentric Coordinates of Sun & Moon at Greatest Eclipse (JPL DE405):
Sun: R.A. = 22h39m23.1s Moon: R.A. = 22h39m53.2s
Dec. =-08°29'38.8" Dec. =-08°55'03.6"
Semi-Diameter = 16'09.0" Semi-Diameter = 15'47.8"
Eq.Hor.Par. = 08.9" Eq.Hor.Par. = 0°57'58.6"
---------------------------------------------------------------------------
Polynomial Besselian Elements for: 2017 Feb 26 15:00:00.0 TDT (=t0)
n x y d l1 l2 μ
0 0.175935 -0.425555 -8.49165 0.552489 0.006300 41.79895
1 0.5253547 0.1532535 0.015261 -0.0001257 -0.0001251 15.003085
2 -0.0000062 0.0000792 0.000002 -0.0000115 -0.0000115
3 -0.0000074 -0.0000021
Tan ƒ1 = 0.0047219 Tan ƒ2 = 0.0046984
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 = 15.000 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 12.00 ≤ t0 ≤ 18.00 TDT.
Note that all times are expressed in Terrestrial Dynamical Time (TDT).
Saros Series 140: Member 29 of 71 eclipses in series.
Instant of Greatest Eclipse: Time = 14:53:24.6 UT Lat = 34°40.8'S Long = 031°11.5'W (GE) Sun Altitude = 62.6° Path Width = 30.6 km Sun Azimuth = 340.5° Central Duration = 00m44.0s Instant of Greatest Duration: Time = 13:16:06 UT Lat = 43°08'S Long = 113°53'W (GD) Sun Altitude = 0.0° Path Width = 96.3 km Sun Azimuth = 101.7° Central Duration = 01m22.4s
Predictions for the Annular Solar Eclipse of 2017 Feb 26 were generated using the JPL DE405 solar and lunar ephemerides and a value of ΔT = 68.3 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
