Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 7 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/21/2022   07:10:58   (   0.03, -75.20) (   1.02, -79.56)  497.78                80
 07/22/2022   06:49:54   (   0.03, -75.20) (  -0.00, -75.11)   10.61                80
 07/24/2022   18:53:56   (  -0.01, -75.21) (  -0.22, -76.06)   97.34                80
 07/25/2022   18:38:11   (   0.01, -75.22) (   0.80, -71.61)  410.99                80
 07/27/2022   07:00:30   (  -0.01, -75.22) (   0.36, -76.99)  200.68                80
 07/28/2022   06:39:24   (  -0.01, -75.23) (  -0.61, -72.52)  308.43                80
 07/29/2022   19:01:51   (   0.01, -75.25) (  -0.58, -77.94)  306.48                80
 07/30/2022   18:46:06   (   0.01, -75.26) (   0.39, -73.47)  203.13                80
 08/01/2022   07:08:23   (  -0.01, -75.28) (   0.82, -78.84)  407.03                80
 08/02/2022   06:47:19   (  -0.01, -75.29) (  -0.21, -74.39)  102.86                80