Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 4 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)
 04/26/2020   18:43:19   (   0.02, -75.17) (   0.00, -78.35)  353.28                 0
 04/27/2020   18:25:31   (   0.02, -75.17) (   0.35, -73.62)  176.86                80
 04/29/2020   06:47:03   (  -0.01, -75.17) (   0.78, -78.82)  415.46                80
 04/30/2020   06:25:26   (  -0.01, -75.17) (  -0.22, -74.24)  106.65                80
 05/01/2020   18:47:04   (   0.01, -75.18) (  -0.97, -79.46)  487.96                80
 05/02/2020   18:30:49   (   0.01, -75.19) (   0.08, -74.89)   34.64                80
 05/05/2020   06:33:24   (  -0.01, -75.21) (   0.04, -75.51)   33.72                80
 05/06/2020   06:11:47   (  -0.01, -75.22) (  -0.96, -70.92)  489.24                80
 05/07/2020   18:33:27   (   0.01, -75.24) (  -0.17, -76.16)  104.38                80
 05/08/2020   18:17:10   (   0.01, -75.25) (   0.82, -71.58)  418.96                80
 05/10/2020   06:38:40   (  -0.00, -75.27) (   0.35, -76.77)  171.02                80