Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 1 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/04/2022   18:51:50   (   0.04, -75.19) (  -0.43, -77.22)  231.79                80
 01/05/2022   18:36:07   (   0.04, -75.21) (   0.58, -72.78)  276.96                80
 01/07/2022   06:58:29   (  -0.04, -75.23) (   0.64, -78.17)  335.06                80
 01/08/2022   06:37:26   (  -0.04, -75.26) (  -0.37, -73.72)  174.24                80
 01/09/2022   18:59:57   (   0.04, -75.29) (  -0.82, -79.16)  440.17                80
 01/10/2022   18:44:14   (   0.04, -75.32) (   0.19, -74.71)   69.70                80
 01/13/2022   06:48:13   (  -0.03, -75.38) (   0.02, -75.66)   30.77                80
 01/14/2022   06:27:10   (  -0.02, -75.41) (  -0.99, -71.21)  479.39                80
 01/15/2022   18:49:40   (   0.01, -75.46) (  -0.24, -76.63)  133.80                80
 01/16/2022   18:33:57   (   0.00, -75.49) (   0.77, -72.19)  376.77                80