Table 2. POD quality assessment: orbit differences between kinematic and reduced-dynamic orbit solutions and fit of SLR observations for the reduced-dynamic orbit solution.
From: Thermospheric density and wind retrieval from Swarm observations
Satellite | Date | RMS of orbit differences (cm) | SLR residuals | |||
|---|---|---|---|---|---|---|
Reduced-dynamic vs. kinematic | Number | RMS (cm) | ||||
Radial | Along-track | Cross-track | ||||
GRACE-A | 7 Nov. | 5.85 | 2.90 | 6.62 | 33 | 2.0 |
8 Nov. | 7.65 | 5.71 | 7.75 | 21 | 6.6 | |
GRACE-B | 7 Nov. | 6.82 | 3.90 | 10.18 | 52 | 1.3 |
8 Nov. | 7.73 | 4.15 | 10.42 | 40 | 2.8 | |
CHAMP | 7 Nov. | 5.27 | 4.53 | 5.32 | 142 | 2.6 |
8 Nov. | 6.60 | 4.82 | 5.77 | 114 | 2.0 | |