Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 2 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/15/2020   06:48:32   (   0.06, -75.20) (   1.01, -79.31)  468.33                80
 02/16/2020   06:26:56   (   0.06, -75.21) (  -0.02, -74.73)   53.81                80
 02/18/2020   18:29:41   (  -0.07, -75.23) (  -0.09, -75.40)   18.48                80
 02/21/2020   06:34:55   (   0.08, -75.25) (   0.27, -76.01)   86.73                80
 02/22/2020   06:13:19   (   0.08, -75.26) (  -0.77, -71.43)  436.30                80
 02/23/2020   18:35:00   (  -0.08, -75.30) (  -0.37, -76.68)  156.82                80
 02/24/2020   18:16:04   (  -0.08, -75.31) (   0.67, -72.10)  366.83                80
 02/26/2020   06:40:14   (   0.09, -75.34) (   0.50, -77.30)  222.78                80
 02/27/2020   06:18:39   (   0.09, -75.36) (  -0.53, -72.72)  301.09                80