Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 8 14.  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   (  -0.04, -75.17) (  -0.01, -75.36)   22.04                80
 08/17/2019   18:32:00   (   0.05, -75.21) (  -0.15, -76.03)   93.44                80
 08/18/2019   18:15:45   (   0.05, -75.23) (   0.90, -71.46)  429.62                80
 08/20/2019   06:37:17   (  -0.05, -75.25) (   0.27, -76.67)  161.50                80
 08/21/2019   06:15:43   (  -0.05, -75.27) (  -0.79, -72.10)  361.72                80
 08/22/2019   18:37:22   (   0.05, -75.31) (  -0.42, -77.34)  231.59                80
 08/23/2019   18:21:08   (   0.06, -75.33) (   0.63, -72.77)  291.84                80
 08/25/2019   06:42:40   (  -0.06, -75.36) (   0.54, -77.98)  298.72                80
 08/26/2019   06:21:06   (  -0.06, -75.38) (  -0.52, -73.41)  224.61                80
 08/27/2019   18:42:46   (   0.07, -75.42) (  -0.64, -78.66)  368.68                80