Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 2 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/29/2020   18:24:02   (  -0.05, -75.17) (   0.36, -73.37)  205.30                80
 03/02/2020   06:45:32   (   0.05, -75.17) (   0.80, -78.56)  386.42                80
 03/03/2020   06:23:57   (   0.05, -75.18) (  -0.24, -73.99)  135.87                80
 03/04/2020   18:45:36   (  -0.06, -75.19) (  -0.95, -79.22)  459.10                80
 03/05/2020   18:29:20   (  -0.06, -75.20) (   0.04, -74.63)   63.49                80
 03/08/2020   06:31:54   (   0.07, -75.22) (   0.10, -75.26)    5.62                80
 03/10/2020   18:31:58   (  -0.07, -75.25) (  -0.22, -75.91)   76.11                80
 03/11/2020   18:15:43   (  -0.07, -75.26) (   0.82, -71.34)  447.23                80
 03/13/2020   06:37:13   (   0.07, -75.29) (   0.36, -76.53)  142.69                80