Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 9 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)
 09/30/2020   06:26:38   (  -0.01, -75.18) (  -0.25, -74.07)  126.06                80
 10/01/2020   18:48:16   (   0.02, -75.19) (  -0.93, -79.29)  467.80                80
 10/02/2020   18:32:00   (   0.01, -75.20) (   0.09, -74.71)   55.34                80
 10/05/2020   06:31:53   (  -0.01, -75.21) (   0.03, -75.32)   12.54                80
 10/07/2020   18:34:35   (   0.01, -75.25) (  -0.13, -75.97)   82.43                80
 10/08/2020   18:18:19   (   0.01, -75.26) (   0.90, -71.39)  441.07                80
 10/10/2020   06:39:47   (  -0.01, -75.27) (   0.30, -76.57)  149.26                80
 10/11/2020   06:18:11   (  -0.01, -75.28) (  -0.73, -71.99)  374.24                80
 10/12/2020   18:39:50   (   0.01, -75.31) (  -0.40, -77.23)  218.56                80
 10/13/2020   18:23:34   (   0.01, -75.32) (   0.63, -72.65)  305.44                80