Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 6 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/29/2020   18:32:03   (  -0.02, -75.19) (  -0.01, -75.01)   20.07                80
 07/02/2020   06:34:37   (  -0.01, -75.20) (   0.06, -75.64)   49.58                80
 07/03/2020   06:13:01   (  -0.02, -75.21) (  -0.94, -71.06)  472.73                80
 07/04/2020   18:34:40   (   0.02, -75.22) (  -0.20, -76.30)  122.35                80
 07/05/2020   18:18:24   (   0.02, -75.22) (   0.81, -71.71)  400.61                80
 07/07/2020   06:39:53   (  -0.02, -75.24) (   0.37, -76.90)  189.14                80
 07/08/2020   06:18:18   (  -0.01, -75.26) (  -0.70, -72.33)  334.25                80
 07/09/2020   18:39:56   (   0.01, -75.28) (  -0.49, -77.55)  259.23                80
 07/10/2020   18:23:39   (   0.00, -75.29) (   0.52, -72.97)  264.94                80
 07/12/2020   06:45:10   (   0.00, -75.33) (   0.62, -78.17)  323.08                80
 07/13/2020   06:23:33   (   0.01, -75.35) (  -0.39, -73.58)  201.19                80