Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 5 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/18/2022   06:46:41   (  -0.01, -75.20) (  -0.07, -74.92)   31.58                80
 05/20/2022   18:50:45   (   0.01, -75.20) (  -0.12, -75.89)   78.10                80
 05/21/2022   18:35:00   (   0.01, -75.20) (   0.86, -71.43)  429.91                80
 05/23/2022   06:57:20   (  -0.01, -75.20) (   0.35, -76.81)  182.84                80
 05/24/2022   06:36:15   (  -0.01, -75.21) (  -0.64, -72.35)  325.57                80
 05/25/2022   18:58:42   (   0.00, -75.22) (  -0.57, -77.77)  289.75                80
 05/26/2022   18:42:58   (   0.01, -75.24) (   0.42, -73.31)  219.33                80
 05/28/2022   07:05:17   (  -0.00, -75.26) (   0.80, -78.69)  391.88                80
 05/29/2022   06:44:14   (  -0.01, -75.27) (  -0.25, -74.24)  117.24                80
 05/30/2022   19:06:40   (   0.01, -75.29) (  -1.00, -79.65)  497.49                80
 05/31/2022   18:50:57   (   0.01, -75.30) (   0.05, -75.20)   12.22                80