Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 7 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/01/2022   06:36:38   (   0.01, -75.20) (  -0.66, -72.09)  353.41                80
 07/02/2022   19:01:44   (  -0.02, -75.21) (  -0.56, -77.50)  261.75                80
 07/03/2022   18:40:39   (  -0.02, -75.22) (   0.45, -73.04)  247.15                80
 07/05/2022   07:05:38   (   0.03, -75.22) (   0.77, -78.42)  364.80                80
 07/06/2022   06:44:33   (   0.02, -75.23) (  -0.25, -73.96)  144.33                80
 07/07/2022   19:09:21   (  -0.02, -75.25) (  -0.98, -79.37)  470.09                61
 07/08/2022   18:51:15   (  -0.02, -75.27) (   0.04, -74.92)   39.19                80
 07/11/2022   06:55:10   (  -0.01, -75.29) (   0.10, -75.85)   63.64                80
 07/12/2022   06:34:04   (  -0.01, -75.30) (  -0.86, -71.39)  445.65                80
 07/13/2022   18:56:32   (   0.01, -75.32) (  -0.30, -76.80)  168.54                80
 07/14/2022   18:40:46   (   0.01, -75.34) (   0.66, -72.34)  341.22                80