Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 8 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/20/2019   06:37:16   (  -0.04, -75.20) (   0.32, -76.66)  166.55                80
 08/21/2019   06:15:42   (  -0.04, -75.22) (  -0.74, -72.09)  356.85                80
 08/22/2019   18:37:22   (   0.04, -75.27) (  -0.42, -77.33)  235.15                80
 08/23/2019   18:21:08   (   0.04, -75.29) (   0.63, -72.77)  288.43                80
 08/25/2019   06:42:40   (  -0.05, -75.32) (   0.53, -77.98)  302.98                80
 08/26/2019   06:21:05   (  -0.05, -75.34) (  -0.46, -73.40)  220.52                80
 08/27/2019   18:42:45   (   0.06, -75.39) (  -0.70, -78.64)  371.52                80
 08/28/2019   18:26:30   (   0.06, -75.42) (   0.35, -74.08)  152.34                80
 08/30/2019   06:48:03   (  -0.06, -75.45) (   0.80, -79.29)  438.06                80
 08/31/2019   06:26:28   (  -0.06, -75.47) (  -0.25, -74.72)   86.16                80
 09/02/2019   18:31:53   (   0.06, -75.57) (   0.08, -75.39)   20.17                80