Geocentric Conjunction 20:16:44.50 TDT J.D. = 2453469.344960 of Sun & Moon in R.A.: (=20:15:39.70 UT) Instant of 20:36:50.44 TDT J.D. = 2453469.358917 Greatest Eclipse: (=20:35:45.64 UT) Geocentric Coordinates of Sun & Moon at Greatest Eclipse (DE200/LE200): Sun: R.A. = 01h10m30.278s Moon: R.A. = 01h11m08.328s Dec. =+07°28´47.25" Dec. =+07°10´59.27" Semi-Diameter = 15´58.15" Semi-Diameter = 15´50.73" Eq.Hor.Par. = 08.78" Eq.Hor.Par. = 0°58´08.96" Δ R.A. = 9.173s/h Δ R.A. = 122.792s/h Δ Dec. = 55.90"/h Δ Dec. = 951.01"/h Lunar Radius k1 = 0.2725076 (Penumbra) Shift in Δb = 0.00" Constants: k2 = 0.2722810 (Umbra) Lunar Position: Δl = 0.00" Geocentric Libration: l = 4.7° Brown Lun. No. = 1018 (Optical + Physical) b = 0.3° Saros Series = 129 (51/80) c = -20.6° Ephemeris = (DE200/LE200) Eclipse Magnitude = 1.00738 Gamma =-0.34734 ΔT = 64.8 s Polynomial Besselian Elements for: 2005 Apr 08 21:00:00.0 TDT (=t0) n x y d l1 l2 μ 0 0.3502365 -0.2074312 7.4862914 0.5485681 0.0023988 134.575729 1 0.4857771 0.2575762 0.0148981 0.0001069 0.0001064 15.004043 2 -0.0000101 -0.0000366 -0.0000017 -0.0000115 -0.0000115 -0.000001 3 -0.0000068 -0.0000038 0.0000000 0.0000000 0.0000000 0.000000 Tan f1 = 0.0046686 Tan f2 = 0.0046454 At time t1 (decimal hours), each Besselian element is evaluated by: a = a0 + a1*t + a2*t2 + a3*t3 (or a = Σ [an*tn]; n = 0 to 3) where: a = x, y, d, l1, l2, or μ t = t1 - t0 (decimal hours) and t0 = 21.000 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 18.00 ≤ t0 ≤ 24.00 TDT. Note that all times are expressed in Terrestrial Dynamical Time (TDT). Saros Series 129: Member 51 of 80 eclipses in series.
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 & WebMaster: Fred Espenak Planetary Systems Branch - Code 693 e-mail: espenak@gsfc.nasa.gov NASA's Goddard Space Flight Center, Greenbelt, Maryland 20771 USA
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