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Re: A practice round of stars
From: Andrés Ruiz
Date: 2013 Mar 7, 22:51 +0100
From: Andrés Ruiz
Date: 2013 Mar 7, 22:51 +0100
The result with my software:
DeWit/USNO Nautical Almanac/Compac Data, Least squares algorithm for n LOPs
GHA DEC HO BO LO LHA HC Z p
210.9759 20.7950 50.2851 8.7972 109.7378 320.7137 50.2960 67.9147 -0.0110
198.1753 -8.1901 35.4009 8.8064 109.7448 307.9201 35.4023 106.6763 -0.0014
198.3382 46.0102 32.2615 8.8145 109.7510 308.0892 32.2514 40.2672 0.0101
323.6832 -11.2474 14.2262 8.8433 109.7730 73.4562 14.2394 255.9286 -0.0132
296.6076 -29.5539 31.1438 8.8498 109.7779 46.3855 31.1331 227.3727 0.0107
Estimate position at time of fix:
Befix [deg] = 8.8179
Lefix [deg] = 109.7535
Least Squares information:
nObservations = 5
AA = 1.3237
BB = 1.3008
CC = 3.6763
DD = 0.0000
EE = 0.0000
FF = 0.0005
G = 3.1742
Error:
S = 0.0005
sigma = 0.7841 nm
sigmaB = 0.5064
sigmaL = 0.8439
Ellipse:
Prob = 0.9500
k = 2.4477
theta = -23.9387
a = 2.2220
b = 0.9306
Improved position at time of fix:
dB [deg] = 0.0000
dL [deg] = -0.0000
DO [deg] = 0.0000 nm
BI [deg] = 8.8179
LI [deg] = 109.7535
iteraciones = 3
File:
