Table 3
Test result of Spacecraft Ephemeris Generation by Chebyshev interpolation
Interpolation order | Interpolation interval (min) | Maximum distance error (m) | Mean distance error (m) | Standard deviation (m) | Data budget (byte/day) | Requirements satisfaction |
6 | 30 | 153.88 | 33.75 | 25.29 | 7,296 | no |
| 60 | 6,442.82 | 1,989.35 | 1,442.55 | 3,648 | no |
|
7 | 30 | 32.82 | 2.99 | 3.09 | 8,448 | yes |
| 60 | 923.52 | 240.02 | 196.10 | 4,224 | no |
|
8 | 30 | 22.02 | 1.44 | 1.75 | 9,600 | yes |
| 60 | 172.02 | 31.20 | 28.15 | 4,800 | no |
|
9 | 30 | 15.04 | 1.00 | 1.24 | 10,752 | no |
| 60 | 58.26 | 7.16 | 6.70 | 5,376 | no |
| 90 | 642.14 | 128.07 | 120.11 | 3,854 | no |
|
10 | 60 | 37.66 | 4.28 | 4.55 | 5,952 | yes |
| 90 | 212.94 | 32.24 | 28.92 | 3,968 | no |
|
11 | 60 | 33.82 | 3.34 | 3.54 | 6,528 | yes |
| 90 | 93.04 | 11.02 | 10.39 | 4,352 | no |
|
12 | 60 | 29.28 | 2.57 | 2.76 | 7,104 | yes |
| 90 | 59.18 | 6.78 | 6.70 | 4,736 | no |
|
13 | 60 | 22.98 | 1.98 | 2.20 | 7,680 | yes |
| 90 | 54.01 | 5.30 | 5.37 | 5,120 | no |