Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 4 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/24/2020   06:41:45   (  -0.02, -75.16) (   0.51, -77.55)  272.12                80
 04/25/2020   06:20:10   (  -0.02, -75.16) (  -0.54, -72.98)  249.65                80
 04/26/2020   18:41:48   (   0.02, -75.17) (  -0.65, -78.20)  345.24                80
 04/27/2020   18:25:31   (   0.02, -75.17) (   0.35, -73.62)  176.79                80
 04/29/2020   06:47:03   (  -0.01, -75.17) (   0.79, -78.82)  415.77                80
 04/30/2020   06:25:26   (  -0.01, -75.17) (  -0.21, -74.24)  106.31                80
 05/01/2020   18:47:04   (   0.00, -75.18) (  -0.98, -79.46)  488.20                80
 05/02/2020   18:30:49   (   0.00, -75.19) (   0.07, -74.89)   34.34                80
 05/05/2020   06:33:24   (  -0.00, -75.21) (   0.06, -75.51)   34.24                80
 05/06/2020   06:11:48   (  -0.00, -75.22) (  -0.99, -70.94)  488.64                80
 05/07/2020   18:33:27   (   0.00, -75.24) (  -0.20, -76.16)  104.85                80