Table 1 Characteristics of orbit parameters for TOPEX, Jason-1, Jason-2, Jason-3, and Sentinel-6
Main characteristics | Â |
|---|---|
Ground track separation at Equator | 315Â km |
Along-track sampling interval |  ~ 6 km |
Number of passes per cycle | 254 |
Number of passes used in this study | 149 |
Number of 1Â Hz measurements used in this study | 184,933 |
Orbital velocity | 7.2Â km/s |
Ground scanning velocity | 5.8Â km/s |
Repeat cycle | 9.9Â days |