Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 10 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/06/2019   06:47:43   (   0.00, -75.21) (   0.87, -79.22)  456.35                80
 10/07/2019   06:26:07   (  -0.00, -75.21) (  -0.13, -74.64)   65.37                80
 10/09/2019   18:28:53   (   0.00, -75.23) (   0.01, -75.31)    9.07                80
 10/12/2019   06:34:09   (  -0.00, -75.27) (   0.14, -75.94)   76.77                80
 10/13/2019   06:12:33   (   0.00, -75.28) (  -0.86, -71.36)  446.07                80
 10/14/2019   18:34:14   (  -0.00, -75.30) (  -0.32, -76.60)  148.85                80
 10/15/2019   18:17:59   (  -0.01, -75.32) (   0.74, -72.04)  374.39                80
 10/17/2019   06:39:30   (   0.01, -75.35) (   0.42, -77.24)  215.26                80
 10/18/2019   06:17:55   (   0.02, -75.37) (  -0.59, -72.67)  307.98                80