An Economic Hybrid <svg style="vertical-align:-4.50008pt;width:20.700001px;" id="M1" height="20.362499" version="1.1" viewBox="0 0 20.700001 20.362499" width="20.700001"  xmlns="http://www.w3.org/2000/svg">
	<g transform="matrix(1.25,0,0,-1.25,0,20.3625)">
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			<text transform="matrix(1,0,0,-1,-71.95,60.24)">
				<tspan style="font-size: 17.93px; " x="0" y="0">𝐽</tspan>
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			<text transform="matrix(1,0,0,-1,-62.27,55.76)">
				<tspan style="font-size: 12.55px; " x="0" y="0">𝟐</tspan>
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</svg> Analytical Orbit Propagator Program Based on SARIMA Models

<table>Blue represents <svg height="17.975" id="M186" style="vertical-align:-3.4383pt" version="1.1" viewbox="0 0 12.0125 17.975" width="12.0125" xmlns="http://www.w3.org/2000/svg">
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<g transform="translate(72,-57.62)">
<text transform="matrix(1,0,0,-1,-71.95,61.1)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝜀</tspan>
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<text transform="matrix(1,0,0,-1,-65.9,66.1)">
<tspan style="font-size: 8.75px; " x="0" y="0">𝑙</tspan>
<tspan style="font-size: 8.75px; " x="0" y="8.3500004">𝑡</tspan>
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<tspan style="font-size: 12.50px; " x="0" y="0">𝜀</tspan>
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<tspan style="font-size: 8.75px; " x="0" y="0">𝐿</tspan>
<tspan style="font-size: 8.75px; " x="0" y="8.2700005">𝑡</tspan>
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</svg> errors. Dashed red represents <svg height="17.424999" id="M188" style="vertical-align:-3.85211pt" version="1.1" viewbox="0 0 14.1375 17.424999" width="14.1375" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,17.425)">
<g transform="translate(72,-58.06)">
<text transform="matrix(1,0,0,-1,-71.95,61.95)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝜀</tspan>
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<text transform="matrix(1,0,0,-1,-65.9,68.09)">
<tspan style="font-size: 8.75px; " x="0" y="0">𝑔</tspan>
<tspan style="font-size: 8.75px; " x="0" y="9.8999996">𝑡</tspan>
</text>
</g>
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</svg> and <svg height="17.987499" id="M189" style="vertical-align:-3.45584pt" version="1.1" viewbox="0 0 16.5625 17.987499" width="16.5625" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,17.9875)">
<g transform="translate(72,-57.61)">
<text transform="matrix(1,0,0,-1,-71.95,61.1)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝜀</tspan>
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<text transform="matrix(1,0,0,-1,-65.9,66.1)">
<tspan style="font-size: 8.75px; " x="0" y="0">𝐺</tspan>
<tspan style="font-size: 8.75px; " x="0" y="8.3599997">𝑡</tspan>
</text>
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</svg> errors.</table>

Mathematical Problems in Engineering

fig6

Figure 6

Figure 6: An Economic Hybrid <svg style="vertical-align:-4.50008pt;width:20.700001px;" id="M1" height="20.362499" version="1.1" viewBox="0 0 20.700001 20.362499" width="20.700001"  xmlns="http://www.w3.org/2000/svg">
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				<tspan style="font-size: 17.93px; " x="0" y="0">𝐽</tspan>
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				<tspan style="font-size: 12.55px; " x="0" y="0">𝟐</tspan>
			</text>

		</g>
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</svg> Analytical Orbit Propagator Program Based on SARIMA Models 

Mathematical Problems in Engineering

An Economic Hybrid 𝐽 𝟐 Analytical Orbit Propagator Program Based on SARIMA Models

Figure 6

An Economic Hybrid Analytical Orbit Propagator Program Based on SARIMA Models