Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2021 10 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/26/2021   18:51:10   (   0.01, -75.22) (  -0.53, -77.57)  268.68                80
 10/27/2021   18:34:53   (   0.01, -75.22) (   0.55, -72.99)  255.38                80
 10/29/2021   06:56:18   (  -0.01, -75.22) (   0.65, -78.15)  333.25                80
 10/30/2021   06:34:40   (  -0.02, -75.23) (  -0.37, -73.55)  190.91                80
 10/31/2021   18:58:56   (   0.01, -75.25) (  -0.76, -78.77)  400.13                80
 11/01/2021   18:37:18   (   0.02, -75.27) (   0.27, -74.17)  124.67                80
 11/03/2021   07:01:23   (  -0.00, -75.28) (   0.93, -79.33)  462.43                80
 11/04/2021   06:39:45   (  -0.01, -75.29) (  -0.15, -74.75)   62.47                80
 11/06/2021   18:42:22   (  -0.01, -75.33) (   0.00, -75.36)    3.44                80