Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 1 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/05/2022   18:36:07   (   0.04, -75.17) (   0.56, -72.78)  273.26                80
 01/07/2022   06:58:29   (  -0.04, -75.18) (   0.65, -78.17)  341.41                80
 01/08/2022   06:37:26   (  -0.04, -75.18) (  -0.36, -73.72)  166.27                80
 01/09/2022   18:59:56   (   0.04, -75.20) (  -0.84, -79.15)  450.39                80
 01/10/2022   18:44:14   (   0.04, -75.21) (   0.17, -74.71)   57.89                80
 01/13/2022   06:48:13   (  -0.03, -75.24) (   0.05, -75.65)   46.80                80
 01/14/2022   06:27:10   (  -0.02, -75.25) (  -0.96, -71.21)  461.76                80
 01/15/2022   18:49:40   (   0.01, -75.28) (  -0.28, -76.63)  153.75                80
 01/16/2022   18:33:56   (   0.00, -75.29) (   0.68, -72.17)  355.24                80
 01/18/2022   06:56:18   (   0.01, -75.31) (   0.50, -77.57)  256.79                80