Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 9 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/28/2019   18:37:04   (  -0.00, -75.19) (  -0.48, -77.28)  237.94                80
 09/29/2019   18:20:50   (  -0.00, -75.19) (   0.58, -72.71)  283.23                80
 10/01/2019   06:42:20   (   0.00, -75.19) (   0.63, -77.91)  310.22                80
 10/02/2019   06:20:46   (   0.00, -75.19) (  -0.43, -73.34)  211.20                80
 10/03/2019   18:42:26   (   0.00, -75.20) (  -0.76, -78.58)  385.11                80
 10/04/2019   18:26:10   (   0.00, -75.21) (   0.24, -74.00)  136.67                80
 10/06/2019   06:47:42   (  -0.00, -75.21) (   0.91, -79.21)  455.77                80
 10/07/2019   06:26:07   (  -0.00, -75.22) (  -0.15, -74.65)   66.37                80
 10/09/2019   18:28:52   (  -0.00, -75.26) (  -0.02, -75.31)    6.37                80