Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 5 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/20/2020   06:49:14   (  -0.00, -75.20) (   0.89, -79.30)  466.52                80
 05/21/2020   06:27:38   (  -0.01, -75.20) (  -0.11, -74.71)   55.08                80
 05/23/2020   18:30:21   (   0.01, -75.20) (  -0.04, -75.36)   18.34                80
 05/26/2020   06:35:34   (  -0.01, -75.20) (   0.17, -75.97)   88.83                80
 05/27/2020   06:13:58   (  -0.00, -75.20) (  -0.83, -71.39)  433.19                80
 05/28/2020   18:35:37   (   0.00, -75.21) (  -0.33, -76.62)  161.61                80
 05/29/2020   18:19:22   (  -0.00, -75.21) (   0.73, -72.05)  360.92                80
 05/31/2020   06:40:51   (   0.00, -75.22) (   0.46, -77.24)  230.34                80
 06/01/2020   06:19:15   (   0.00, -75.22) (  -0.55, -72.65)  292.40                80