TABLE 4
Parameters of the BDCS Ellipsoid (China Satellite Navigation Office, 2017)
| No. | Parameter | Definition |
|---|---|---|
| 1 | Semi-major axis | a = 6,378,137.0 m |
| 2 | Geocentric gravitational constant | μ = 3.986004418*1014 m3/s2 |
| 3 | Flattening | f= 1/298.257222101 |
| 4 | Earth’s rotation rate |  = 7.2921150*10-5 rad/s |