Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 3 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/08/2020   06:31:55   (   0.04, -75.19) (   0.07, -75.26)    8.86                80
 03/10/2020   18:31:59   (  -0.04, -75.18) (  -0.20, -75.92)   84.13                80
 03/11/2020   18:15:43   (  -0.04, -75.18) (   0.84, -71.34)  437.65                80
 03/13/2020   06:37:13   (   0.04, -75.18) (   0.34, -76.54)  154.27                80
 03/14/2020   06:15:38   (   0.04, -75.19) (  -0.70, -71.96)  367.68                80
 03/15/2020   18:37:17   (  -0.04, -75.19) (  -0.46, -77.20)  228.16                80
 03/16/2020   18:21:01   (  -0.04, -75.20) (   0.53, -72.61)  294.25                80
 03/18/2020   06:42:32   (   0.04, -75.21) (   0.60, -77.82)  296.69                80
 03/19/2020   06:20:56   (   0.05, -75.22) (  -0.38, -73.23)  225.98                80
 03/20/2020   18:42:35   (  -0.05, -75.23) (  -0.77, -78.47)  368.78                80
 03/21/2020   18:26:20   (  -0.05, -75.24) (   0.28, -73.89)  154.52                80