Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 7 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/12/2022   06:34:04   (   0.03, -75.20) (  -0.84, -71.37)  436.35                80
 07/13/2022   18:56:30   (  -0.03, -75.20) (  -0.39, -76.78)  180.81                80
 07/14/2022   18:40:46   (  -0.03, -75.20) (   0.62, -72.33)  327.47                80
 07/16/2022   07:03:04   (   0.03, -75.20) (   0.57, -77.70)  284.24                80
 07/17/2022   06:41:59   (   0.03, -75.21) (  -0.39, -73.24)  224.60                80
 07/18/2022   19:04:26   (  -0.03, -75.22) (  -0.79, -78.65)  391.03                80
 07/19/2022   18:48:41   (  -0.03, -75.23) (   0.17, -74.19)  118.48                80
 07/21/2022   07:10:59   (   0.03, -75.26) (   1.01, -79.57)  491.46                80
 07/22/2022   06:49:54   (   0.03, -75.27) (  -0.02, -75.12)   18.18                80
 07/24/2022   18:53:57   (   0.01, -75.31) (  -0.14, -76.08)   87.68                80
 07/25/2022   18:38:13   (   0.02, -75.32) (   0.88, -71.63)  422.19                80