Mathematical Problems in Engineering

Research Article

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

Table 2

SARIMA ( 6 , 1 , 7 ) ( 3 , 1 , 3 ) 1 0 models.
Coefficients 𝜀 𝑙 𝑡 𝜀 𝑔 𝑡
𝜙 1 −0.8167142581776827−0.8312754102958296
𝜙 2 0.57406686306926140.5649950239467217
𝜙 3 1.12001905761129871.1322145773449677
𝜙 4 −0.3087269639691513−0.2946598587646277
𝜙 5 −0.8631472597887673−0.8663595825987899
𝜙 6 −0.4970128310547080−0.5012076262623468
𝜃 1 0.87896353289327610.8901438163231377
𝜃 2 −0.9965719584754135−0.9834775736328421
𝜃 3 −1.6921042908035564−1.7044561386678760
𝜃 4 0.52062493606141550.4906661687944900
𝜃 5 1.51900202992593811.5136974115875366
𝜃 6 0.36062988588465290.3820758183271771
𝜃 7 −0.4721289483358399−0.4568107050477830
Φ 1 1.46769026046802441.4557054355067451
Φ 2 −1.3618276394078148−1.3525881149216927
Φ 3 0.70764540449347420.7023619159769664
Θ 1 0.84127483676949400.8370722835862818
Θ 2 −0.8240640881053386−0.8282527898256336
Θ 3 0.9939014392344844 0.9966285211365780