Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 4 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/08/2020   06:44:48   (  -0.00, -75.19) (   0.71, -78.32)  357.14                80
 04/09/2020   06:23:13   (  -0.00, -75.20) (  -0.34, -73.75)  166.09                80
 04/10/2020   18:44:51   (   0.00, -75.24) (  -0.84, -78.98)  426.22                80
 04/11/2020   18:28:35   (   0.00, -75.25) (   0.21, -74.40)   97.42                80
 04/13/2020   06:50:06   (  -0.00, -75.27) (   0.99, -79.59)  493.09                80
 04/14/2020   06:28:30   (  -0.00, -75.29) (  -0.06, -75.02)   30.61                80
 04/16/2020   18:31:13   (   0.01, -75.35) (  -0.07, -75.67)   36.70                80
 04/17/2020   18:14:58   (   0.01, -75.38) (   0.98, -71.10)  487.88                80
 04/19/2020   06:36:29   (  -0.01, -75.41) (   0.16, -76.30)  100.87                80
 04/20/2020   06:14:52   (  -0.01, -75.44) (  -0.83, -71.72)  424.06                80