Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 5 20.  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)  466.64                80
 05/21/2020   06:27:38   (  -0.01, -75.19) (  -0.11, -74.71)   54.91                80
 05/23/2020   18:30:20   (   0.01, -75.20) (  -0.04, -75.36)   18.72                80
 05/26/2020   06:35:34   (  -0.01, -75.19) (   0.18, -75.97)   89.29                80
 05/27/2020   06:13:59   (  -0.00, -75.19) (  -0.88, -71.40)  432.68                80
 05/28/2020   18:35:37   (   0.00, -75.20) (  -0.34, -76.62)  162.24                80
 05/29/2020   18:19:22   (  -0.00, -75.21) (   0.72, -72.05)  360.23                80
 05/31/2020   06:40:51   (   0.00, -75.21) (   0.47, -77.24)  231.10                80
 06/01/2020   06:19:16   (   0.00, -75.22) (  -0.59, -72.67)  291.60                80
 06/02/2020   18:40:54   (  -0.00, -75.24) (  -0.62, -77.88)  302.51                80