Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 7 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/22/2022   06:49:54   (   0.03, -75.20) (   0.02, -75.10)   10.47                80
 07/24/2022   18:53:56   (  -0.01, -75.21) (  -0.18, -76.07)   97.29                80
 07/25/2022   18:38:12   (   0.01, -75.21) (   0.84, -71.61)  410.92                80
 07/27/2022   07:00:29   (  -0.02, -75.22) (   0.38, -76.98)  200.97                80
 07/28/2022   06:39:25   (  -0.01, -75.23) (  -0.65, -72.53)  308.10                80
 07/29/2022   19:01:51   (   0.01, -75.24) (  -0.60, -77.93)  306.71                80
 07/30/2022   18:46:07   (   0.01, -75.26) (   0.43, -73.48)  202.85                80
 08/01/2022   07:08:24   (  -0.01, -75.27) (   0.78, -78.85)  407.51                80
 08/02/2022   06:47:18   (  -0.01, -75.29) (  -0.19, -74.39)  102.39                80