Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 7 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)
 07/06/2022   06:44:33   (   0.03, -75.20) (  -0.22, -73.96)  141.36                80
 07/07/2022   19:09:40   (  -0.03, -75.20) (  -0.95, -79.37)  474.89                80
 07/08/2022   18:48:36   (  -0.03, -75.21) (   0.06, -74.92)   33.50                80
 07/11/2022   06:55:09   (   0.01, -75.21) (   0.13, -75.84)   71.17                80
 07/12/2022   06:34:05   (  -0.01, -75.22) (  -0.89, -71.39)  436.93                80
 07/13/2022   18:56:31   (   0.01, -75.22) (  -0.35, -76.79)  179.32                80
 07/14/2022   18:40:47   (   0.01, -75.23) (   0.67, -72.34)  329.40                80
 07/16/2022   07:03:05   (  -0.01, -75.24) (   0.53, -77.72)  281.88                80
 07/17/2022   06:42:00   (  -0.01, -75.25) (  -0.43, -73.25)  227.50                80
 07/18/2022   19:04:27   (   0.01, -75.27) (  -0.74, -78.67)  387.00                80
 07/19/2022   18:48:42   (   0.01, -75.29) (   0.27, -74.21)  123.00                80