Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 9 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/11/2022   18:53:58   (  -0.04, -75.20) (   0.02, -74.96)   27.66                80
 09/14/2022   06:57:50   (   0.04, -75.22) (   0.18, -75.87)   73.97                80
 09/15/2022   06:36:44   (   0.04, -75.23) (  -0.81, -71.41)  435.52                80
 09/16/2022   18:59:10   (  -0.04, -75.25) (  -0.37, -76.82)  178.96                80
 09/17/2022   18:43:25   (  -0.04, -75.26) (   0.62, -72.36)  330.81                80
 09/19/2022   07:05:42   (   0.03, -75.28) (   0.58, -77.73)  279.50                80
 09/20/2022   06:44:37   (   0.02, -75.29) (  -0.41, -73.27)  230.41                80
 09/21/2022   19:07:03   (  -0.01, -75.32) (  -0.75, -78.68)  383.33                80
 09/22/2022   18:51:18   (  -0.01, -75.33) (   0.25, -74.22)  127.13                80
 09/24/2022   07:13:35   (   0.00, -75.37) (   0.96, -79.59)  481.78                80