Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 7 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/07/2022   19:06:59   (  -0.03, -75.20) (  -0.98, -79.37)  475.32                80
 07/08/2022   18:51:15   (  -0.03, -75.20) (   0.03, -74.91)   32.81                80
 07/11/2022   06:55:09   (   0.01, -75.20) (   0.16, -75.83)   72.05                80
 07/12/2022   06:34:04   (  -0.00, -75.20) (  -0.86, -71.38)  435.85                80
 07/13/2022   18:56:32   (   0.01, -75.21) (  -0.32, -76.80)  180.81                80
 07/14/2022   18:40:46   (   0.01, -75.21) (   0.64, -72.33)  327.79                80
 07/16/2022   07:03:05   (  -0.01, -75.22) (   0.56, -77.71)  283.62                80
 07/17/2022   06:42:00   (  -0.01, -75.23) (  -0.46, -73.26)  225.56                80
 07/18/2022   19:04:26   (   0.01, -75.25) (  -0.77, -78.66)  389.29                80
 07/19/2022   18:48:42   (   0.01, -75.26) (   0.25, -74.21)  120.54                80