Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 6 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/22/2022   18:43:12   (  -0.02, -75.20) (   0.29, -73.76)  164.01                80
 06/24/2022   07:08:11   (   0.02, -75.20) (   0.90, -79.14)  448.83                80
 06/25/2022   06:47:07   (   0.02, -75.21) (  -0.11, -74.69)   59.48                80
 06/27/2022   18:53:49   (  -0.01, -75.22) (  -0.10, -75.64)   47.49                80
 06/28/2022   18:32:44   (   0.00, -75.23) (   0.92, -71.19)  461.23                80
 06/30/2022   06:57:43   (  -0.00, -75.24) (   0.32, -76.56)  150.70                80
 07/01/2022   06:36:38   (  -0.01, -75.25) (  -0.70, -72.10)  358.37                80
 07/02/2022   18:59:04   (   0.01, -75.27) (  -0.52, -77.51)  256.09                80
 07/03/2022   18:43:20   (   0.01, -75.28) (   0.50, -73.06)  253.58                80
 07/05/2022   07:05:38   (  -0.01, -75.31) (   0.73, -78.43)  356.74                80