Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 8 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/31/2020   18:35:44   (   0.06, -75.18) (  -0.20, -76.38)  135.63                80
 09/01/2020   18:19:27   (   0.06, -75.19) (   0.82, -71.79)  386.68                80
 09/03/2020   06:40:58   (  -0.06, -75.19) (   0.33, -76.99)  204.78                80
 09/04/2020   06:19:21   (  -0.06, -75.20) (  -0.69, -72.41)  317.97                80
 09/05/2020   18:40:59   (   0.07, -75.21) (  -0.45, -77.64)  276.24                80
 09/06/2020   18:24:43   (   0.06, -75.22) (   0.57, -73.06)  246.92                80
 09/08/2020   06:46:12   (  -0.07, -75.23) (   0.63, -78.24)  343.39                80
 09/09/2020   06:24:37   (  -0.07, -75.24) (  -0.45, -73.67)  179.81                80
 09/10/2020   18:46:14   (   0.08, -75.26) (  -0.76, -78.89)  414.13                80
 09/11/2020   18:29:59   (   0.08, -75.27) (   0.32, -74.32)  109.26                80
 09/13/2020   06:51:28   (  -0.08, -75.29) (   0.87, -79.50)  480.51                80