Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 1 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/13/2022   06:48:13   (  -0.05, -75.20) (   0.03, -75.65)   51.37                80
 01/14/2022   06:27:10   (  -0.04, -75.19) (  -0.92, -71.19)  455.43                80
 01/15/2022   18:49:40   (   0.04, -75.19) (  -0.26, -76.63)  163.40                80
 01/16/2022   18:33:56   (   0.03, -75.19) (   0.69, -72.17)  343.71                80
 01/18/2022   06:56:19   (  -0.03, -75.19) (   0.48, -77.57)  270.80                80
 01/19/2022   06:35:16   (  -0.03, -75.19) (  -0.53, -73.13)  236.41                80
 01/20/2022   18:57:46   (   0.04, -75.20) (  -0.70, -78.55)  381.76                80
 01/21/2022   18:42:02   (   0.04, -75.20) (   0.26, -74.09)  125.98                80
 01/23/2022   07:04:24   (  -0.04, -75.22) (   0.92, -79.49)  487.18                80
 01/24/2022   06:43:22   (  -0.04, -75.22) (  -0.09, -75.05)   20.72                80
 01/26/2022   18:47:28   (   0.03, -75.24) (  -0.17, -76.01)   88.42                80