Table 11 Average RMS of orbit differences with respect to Level-1B precise scientific orbits (unit: mm)
From: GSTAR: an innovative software platform for processing space geodetic data at the observation level
Direction | Results from GRACE-C | Results from GRACE-D | ||||||
|---|---|---|---|---|---|---|---|---|
Float | DD-AR | PPP-AR | PPP-AR + SLR | Float | DD-AR | PPP-AR | PPP-AR + SLR | |
Along | 11.8 | 11.2 | 9.9 | 10.6 | 12.3 | 11.5 | 10.2 | 10.7 |
Cross | 7.2 | 7.0 | 6.6 | 6.7 | 7.2 | 7.0 | 6.6 | 6.7 |
Radial | 8.2 | 8.0 | 7.6 | 7.9 | 8.0 | 7.9 | 7.4 | 7.5 |
3D | 16.1 | 15.5 | 14.2 | 14.9 | 16.4 | 15.7 | 14.3 | 14.8 |