Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 5 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)
 05/07/2023   19:23:33   (   0.02, -75.20) (  -0.95, -79.34)  472.95                80
 05/08/2023   19:02:30   (   0.02, -75.20) (   0.12, -74.90)   35.68                80
 05/11/2023   07:09:05   (  -0.01, -75.22) (   0.15, -75.80)   67.27                80
 05/12/2023   06:48:02   (  -0.01, -75.23) (  -0.86, -71.35)  441.66                80
 05/13/2023   19:10:31   (   0.01, -75.24) (  -0.33, -76.77)  173.43                80
 05/14/2023   18:54:48   (   0.00, -75.26) (   0.69, -72.31)  336.15                80
 05/16/2023   07:17:07   (  -0.00, -75.28) (   0.52, -77.68)  273.40                80
 05/17/2023   06:56:03   (  -0.00, -75.30) (  -0.49, -73.23)  236.47                80
 05/18/2023   19:18:32   (   0.00, -75.32) (  -0.73, -78.64)  377.46                80
 05/19/2023   19:02:48   (   0.00, -75.34) (   0.29, -74.18)  132.81                80