Table 5
Test result of Sun Ephemeris Generation by Polynomial interpolation with Uniform node

Interpolation order	Interpolation interval (days)	Maximum distance error (km)	Mean distance error (km)	Standard deviation (km)	Data budget (byte/day)	Requirements satisfaction
4	8	72.19	19.62	14.98	390	yes
	16	980.22	298.69	220.01	195	yes
	32	11,026.53	4,032.19	2,681.76	97.5	no
5	8	7.64	1.46	1.41	480	yes
	16	162.76	38.89	33.71	240	yes
	32	2,359.21	831.34	561.10	120	yes
6	8	1.40	0.17	0.22	570	yes
	16	53.67	7.77	9.80	285	yes
	32	1,134.14	300.78	266.81	142.5	yes
7	8	0.30	0.02	0.04	660	yes
	16	20.42	2.08	3.24	330	yes
	32	637.00	119.58	137.59	165	yes
8	8	0.07	4.02E-3	8.28E-3	750	yes
	16	8.48	0.63	1.21	375	yes
	32	398.53	62.81	81.42	187.5	yes