Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 6 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/04/2019   18:32:20   (  -0.01, -75.20) (  -0.22, -76.02)   93.57                80
 06/05/2019   18:16:06   (  -0.01, -75.20) (   0.82, -71.45)  427.65                80
 06/07/2019   06:37:38   (   0.01, -75.21) (   0.30, -76.67)  165.70                80
 06/08/2019   06:16:02   (   0.00, -75.21) (  -0.68, -72.09)  355.69                80
 06/09/2019   18:37:44   (  -0.00, -75.22) (  -0.49, -77.33)  240.84                80
 06/10/2019   18:21:29   (   0.00, -75.23) (   0.56, -72.77)  281.08                80
 06/12/2019   06:43:01   (  -0.00, -75.25) (   0.63, -77.97)  310.79                80
 06/13/2019   06:21:26   (  -0.00, -75.26) (  -0.41, -73.40)  211.50                80
 06/14/2019   18:43:07   (  -0.00, -75.28) (  -0.74, -78.65)  383.71                80
 06/15/2019   18:26:53   (  -0.00, -75.30) (   0.30, -74.08)  138.99                80