Besseliam Elements for the Total Solar Eclipse of 2012 Nov 13

Fred Espenak

The following table contains the Besseliam elements for the Total Solar Eclipse of 2012 Nov 13 .

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 Total Solar Eclipse of 2012 Nov 13

Equatorial Conjunction: 22:19:11.7 TDT J.D. = 2456245.429996 (Sun & Moon in R.A.) (=22:18:04.9 UT) Ecliptic Conjunction: 22:09:06.9 TDT J.D. = 2456245.422996 (Sun & Moon in Ec. Lo.) (=22:08:00.1 UT) Instant of 22:12:55.2 TDT J.D. = 2456245.425639 Greatest Eclipse: (=22:11:48.4 UT) --------------------------------------------------------------------------- Gamma = -0.3719 Ephemerides = JPL DE405 Eclipse Magnitude = 1.0500 Lunation No. = 159 ΔT = 66.8 s Saros Series = 133 (45/72) 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. = 15h18m06.7s Moon: R.A. = 15h17m51.2s Dec. =-18°15'02.6" Dec. =-18°37'29.5" Semi-Diameter = 16'09.9" Semi-Diameter = 16'42.4" Eq.Hor.Par. = 08.9" Eq.Hor.Par. = 1°01'19.0" --------------------------------------------------------------------------- Polynomial Besselian Elements for: 2012 Nov 13 22:00:00.0 TDT (=t0) n x y d l1 l2 μ 0 -0.183741 -0.346760 -18.24755 0.537464 -0.008650 153.89781 1 0.5743387 -0.0940698 -0.010602 -0.0000229 -0.0000228 14.999868 2 0.0000350 0.0001483 0.000004 -0.0000130 -0.0000130 3 -0.0000097 0.0000015 Tan ƒ1 = 0.0047255 Tan ƒ2 = 0.0047020 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 = 22.000 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 19.00 ≤ t0 ≤ 1.00 TDT. Note that all times are expressed in Terrestrial Dynamical Time (TDT). Saros Series 133: Member 45 of 72 eclipses in series.


   Instant of 
Greatest Eclipse:       Time =  22:11:48.4 UT       Lat = 39°57.4'S      Long = 161°20.2'W
      (GE)               Sun Altitude =  68.0°          Path Width = 179.0 km
                          Sun Azimuth =  11.4°    Central Duration =   04m02.2s


   Instant of 
Greatest Duration:      Time =    22:14:00 UT       Lat =   40°12'S      Long =   160°19'W
      (GD)               Sun Altitude =  67.9°          Path Width = 178.8 km
                          Sun Azimuth =   7.4°    Central Duration =   04m02.2s


Additional Links: Total Solar Eclipse of 2012 Nov 13


Eclipse Predictions

Predictions for the Total Solar Eclipse of 2012 Nov 13 were generated using the JPL DE405 solar and lunar ephemerides and a value of ΔT = 66.8 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