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)">
		<g transform="translate(72,-55.71)">
			<text transform="matrix(1,0,0,-1,-71.95,60.24)">
				<tspan style="font-size: 17.93px; " x="0" y="0">𝐽</tspan>
			</text>

			<text transform="matrix(1,0,0,-1,-62.27,55.76)">
				<tspan style="font-size: 12.55px; " x="0" y="0">𝟐</tspan>
			</text>

		</g>
	</g>
</svg> Analytical Orbit Propagator Program Based on SARIMA Models

<table>3-stage Box-Jenkins methodology.</table>

Mathematical Problems in Engineering

fig4

Figure 4

Figure 4: 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)">
		<g transform="translate(72,-55.71)">
			<text transform="matrix(1,0,0,-1,-71.95,60.24)">
				<tspan style="font-size: 17.93px; " x="0" y="0">𝐽</tspan>
			</text>

			<text transform="matrix(1,0,0,-1,-62.27,55.76)">
				<tspan style="font-size: 12.55px; " x="0" y="0">𝟐</tspan>
			</text>

		</g>
	</g>
</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 4

An Economic Hybrid Analytical Orbit Propagator Program Based on SARIMA Models