Table 9
Test result of Moon Ephemeris Generation by Chebyshev interpolation
Interpolation order | Interpolation interval (days) | Maximum distance error (km) | Mean distance error (km) | Standard deviation (km) | Data budget (byte/day) | Requirements satisfaction |
4 | 2 | 39.87 | 10.58 | 9.52 | 390 | no |
| 4 | 599.37 | 167.38 | 149.82 | 195 | no |
| 8 | 8,973.75 | 2,564.75 | 2,257.62 | 97.5 | no |
|
5 | 2 | 1.20 | 0.27 | 0.26 | 480 | yes |
| 4 | 35.48 | 8.50 | 8.12 | 240 | no |
| 8 | 1,034.67 | 255.56 | 235.32 | 120 | no |
|
6 | 2 | 0.06 | 8.27E-3 | 9.98E-3 | 570 | yes |
| 4 | 3.49 | 0.52 | 0.62 | 285 | no |
| 8 | 199.84 | 29.63 | 34.51 | 142.5 | no |
|
7 | 2 | 2.42E-3 | 3.10E-4 | 4.08E-4 | 660 | yes |
| 4 | 0.27 | 0.04 | 0.05 | 330 | yes |
| 8 | 30.21 | 4.26 | 5.35 | 165 | no |
|
8 | 2 | 1.22E-4 | 1.23E-5 | 1.78E-5 | 750 | yes |
| 4 | 0.03 | 3.02E-3 | 4.31E-3 | 375 | yes |
| 8 | 5.79 | 0.65 | 0.90 | 187.5 | no |