Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 4 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/06/2020   18:23:18   (  -0.00, -75.18) (   0.49, -73.13)  234.36                80
 04/08/2020   06:44:48   (   0.00, -75.19) (   0.72, -78.32)  356.97                80
 04/09/2020   06:23:12   (  -0.00, -75.20) (  -0.33, -73.75)  166.15                80
 04/10/2020   18:44:51   (   0.00, -75.23) (  -0.85, -78.97)  426.52                80
 04/11/2020   18:28:35   (   0.00, -75.25) (   0.21, -74.40)   97.00                80
 04/13/2020   06:50:07   (  -0.00, -75.27) (   0.94, -79.60)  493.27                80
 04/14/2020   06:28:30   (  -0.00, -75.29) (  -0.05, -75.02)   30.44                80
 04/16/2020   18:31:13   (   0.00, -75.35) (  -0.07, -75.67)   37.00                80
 04/17/2020   18:14:57   (   0.00, -75.37) (   0.99, -71.10)  487.58                80
 04/19/2020   06:36:28   (   0.00, -75.41) (   0.22, -76.29)  100.90                80