Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 3 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/29/2020   06:34:12   (   0.02, -75.13) (   0.19, -75.77)   73.58                80
 03/30/2020   06:12:36   (   0.01, -75.13) (  -0.85, -71.20)  448.01                80
 03/31/2020   18:34:15   (  -0.01, -75.14) (  -0.28, -76.43)  147.32                80
 04/01/2020   18:17:59   (  -0.01, -75.14) (   0.70, -71.85)  374.64                80
 04/03/2020   06:39:30   (   0.01, -75.14) (   0.44, -77.05)  218.24                80
 04/04/2020   06:17:55   (   0.02, -75.14) (  -0.60, -72.48)  303.92                80
 04/05/2020   18:39:33   (  -0.01, -75.15) (  -0.59, -77.70)  290.58                80
 04/06/2020   18:23:18   (  -0.02, -75.16) (   0.46, -73.13)  232.03                80
 04/08/2020   06:44:49   (  -0.00, -75.17) (   0.70, -78.33)  360.02                80
 04/09/2020   06:23:14   (  -0.01, -75.18) (  -0.35, -73.76)  162.53                80
 04/10/2020   18:44:52   (   0.02, -75.20) (  -0.83, -78.98)  431.29                80