Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 2 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/07/2020   18:37:58   (  -0.06, -75.20) (  -0.57, -77.41)  252.35                80
 02/08/2020   18:21:43   (  -0.06, -75.21) (   0.46, -72.84)  269.69                80
 02/10/2020   06:43:13   (   0.07, -75.21) (   0.69, -78.04)  321.62                80
 02/11/2020   06:21:38   (   0.07, -75.22) (  -0.35, -73.46)  200.66                80
 02/12/2020   18:43:17   (  -0.07, -75.23) (  -0.85, -78.69)  394.54                80
 02/13/2020   18:27:02   (  -0.07, -75.24) (   0.19, -74.12)  128.27                80
 02/15/2020   06:48:32   (   0.07, -75.26) (   0.95, -79.32)  461.67                80
 02/16/2020   06:26:55   (   0.07, -75.27) (  -0.03, -74.73)   61.34                80
 02/18/2020   18:32:19   (  -0.08, -75.31) (  -0.12, -75.39)    9.66                80