Analysis of Filtering Methods for Satellite Autonomous Orbit Determination Using Celestial and Geomagnetic Measurement
Table 1
Performance of celestial 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
203.318211
0.196622
532.987272
0.486705
UKF
161.312723
0.162900
357.545600
0.407503
UPF
159.756079
0.160780
354.555359
0.402378
EKF
271.640953
0.287641
703.000581
0.613708
UKF
245.939302
0.219864
593.829098
0.563749
UPF
245.229683
0.219566
593.802048
0.563396
EKF
934.238939
0.976641
2457.895170
2.348656
UKF
736.876288
0.699942
2322.291896
2.302674
UPF
735.166932
0.698808
2314.761249
2.294924
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