Research Article
Analysis of Filtering Methods for Satellite Autonomous Orbit Determination Using Celestial and Geomagnetic Measurement
Table 2
Performance of geomagnetic OD system under different sampling intervals.
| | Sampling interval | RMS (after convergence) | Maximum (after convergence) | | Position error/m | Velocity error/m/s | Position error/m | Velocity error/m/s |
| | EKF | 591.253628 | 0.601946 | 1129.365510 | 1.061735 | | UKF | 376.894372 | 0.371566 | 877.909403 | 0.799659 | | UPF | 376.516863 | 0.366538 | 861.513975 | 0.783449 |
| | EKF | 1481.673752 | 1.358867 | 2851.660177 | 2.607626 | | UKF | 705.765450 | 0.648228 | 1325.501267 | 1.276198 | | UPF | 705.161263 | 0.647876 | 1323.976107 | 1.274585 |
| | EKF | 4343.783162 | 4.308921 | 14643.275741 | 11.712547 | | UKF | 3904.890544 | 3.633798 | 10403.528541 | 10.328902 | | UPF | 3904.747892 | 3.633460 | 10401.279139 | 10.328554 |
|
|
