Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 4 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/30/2020   06:25:27   (  -0.02, -75.18) (  -0.26, -74.24)  107.03                80
 05/01/2020   18:47:05   (   0.01, -75.19) (  -0.93, -79.47)  487.41                80
 05/02/2020   18:30:49   (   0.01, -75.20) (   0.06, -74.88)   35.34                80
 05/05/2020   06:33:23   (  -0.01, -75.22) (   0.06, -75.50)   32.63                80
 05/06/2020   06:11:48   (  -0.01, -75.23) (  -1.00, -70.93)  490.36                80
 05/07/2020   18:33:26   (   0.01, -75.25) (  -0.19, -76.16)  103.03                80
 05/08/2020   18:17:11   (   0.01, -75.27) (   0.86, -71.58)  420.38                80
 05/10/2020   06:38:41   (  -0.01, -75.29) (   0.31, -76.78)  169.36                80
 05/11/2020   06:17:05   (  -0.01, -75.30) (  -0.69, -72.19)  354.23                80
 05/12/2020   18:38:44   (   0.00, -75.33) (  -0.44, -77.43)  238.49                80
 05/13/2020   18:22:27   (   0.00, -75.35) (   0.55, -72.84)  285.75                80