Besseliam Elements for the Annular Solar Eclipse of 2017 Feb 26

Fred Espenak

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


Additional Links: Annular Solar Eclipse of 2017 Feb 26


Eclipse Predictions

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.

Acknowledgments

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


Solar Eclipse Links

2014 Feb 24