Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 5 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/27/2019   06:45:45   (   0.02, -75.19) (   0.78, -78.61)  389.63                80
 05/28/2019   06:24:11   (   0.02, -75.19) (  -0.26, -74.04)  131.84                80
 05/29/2019   18:45:52   (  -0.02, -75.21) (  -0.91, -79.29)  464.31                80
 05/30/2019   18:29:37   (  -0.02, -75.22) (   0.07, -74.71)   57.59                80
 06/02/2019   06:32:15   (  -0.02, -75.23) (   0.02, -75.36)   14.11                80
 06/04/2019   18:32:21   (   0.01, -75.26) (  -0.15, -76.03)   87.88                80
 06/05/2019   18:16:06   (   0.00, -75.27) (   0.83, -71.45)  434.35                80
 06/07/2019   06:37:38   (   0.00, -75.28) (   0.30, -76.67)  157.65                80
 06/08/2019   06:16:04   (   0.01, -75.30) (  -0.74, -72.10)  364.73                80