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   18:32:21   (   0.01, -75.20) (  -0.16, -76.03)   94.03                80
 06/05/2019   18:16:07   (   0.01, -75.20) (   0.88, -71.46)  427.14                80
 06/07/2019   06:37:38   (  -0.02, -75.21) (   0.30, -76.67)  166.00                80
 06/08/2019   06:16:03   (  -0.02, -75.21) (  -0.74, -72.10)  355.45                80
 06/09/2019   18:37:45   (   0.02, -75.23) (  -0.43, -77.35)  240.99                80
 06/10/2019   18:21:29   (   0.02, -75.23) (   0.55, -72.77)  281.03                80
 06/12/2019   06:43:01   (  -0.02, -75.25) (   0.57, -77.98)  310.70                80
 06/13/2019   06:21:26   (  -0.02, -75.26) (  -0.41, -73.40)  211.63                80
 06/14/2019   18:43:07   (   0.03, -75.29) (  -0.75, -78.65)  383.69                80
 06/15/2019   18:26:53   (   0.03, -75.30) (   0.30, -74.08)  138.95                80
 06/17/2019   06:48:25   (  -0.03, -75.33) (   0.83, -79.30)  451.87                80