Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 8 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/15/2019   06:31:55   (  -0.05, -75.17) (   0.01, -75.36)   21.32                80
 08/17/2019   18:31:59   (   0.05, -75.21) (  -0.16, -76.02)   93.04                80
 08/18/2019   18:15:45   (   0.05, -75.23) (   0.89, -71.46)  430.01                80
 08/20/2019   06:37:17   (  -0.05, -75.26) (   0.27, -76.67)  160.96                80
 08/21/2019   06:15:43   (  -0.05, -75.28) (  -0.78, -72.10)  362.21                80
 08/22/2019   18:37:22   (   0.05, -75.31) (  -0.43, -77.33)  231.36                80
 08/23/2019   18:21:08   (   0.06, -75.33) (   0.63, -72.77)  292.04                80
 08/25/2019   06:42:40   (  -0.06, -75.36) (   0.53, -77.98)  298.36                80
 08/26/2019   06:21:05   (  -0.06, -75.38) (  -0.52, -73.41)  224.93                80