Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 6 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/09/2019   18:37:44   (  -0.01, -75.19) (  -0.49, -77.33)  243.77                80
 06/10/2019   18:21:29   (  -0.01, -75.19) (   0.55, -72.76)  277.50                80
 06/12/2019   06:40:21   (   0.01, -75.20) (   0.63, -77.97)  315.15                80
 06/13/2019   06:24:06   (   0.01, -75.20) (  -0.41, -73.40)  206.30                80
 06/14/2019   18:43:07   (  -0.00, -75.21) (  -0.75, -78.65)  391.11                80
 06/15/2019   18:26:52   (   0.00, -75.22) (   0.23, -74.07)  130.61                80
 06/17/2019   06:45:44   (  -0.01, -75.24) (   0.90, -79.28)  461.18                80
 06/18/2019   06:29:30   (  -0.01, -75.25) (  -0.15, -74.72)   61.00                80
 06/20/2019   18:29:36   (  -0.00, -75.27) (  -0.02, -75.38)   12.48                80