Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 1 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/09/2022   18:59:56   (   0.05, -75.19) (  -0.85, -79.15)  451.60                80
 01/10/2022   18:44:14   (   0.05, -75.20) (   0.16, -74.70)   56.33                80
 01/13/2022   06:48:13   (  -0.04, -75.22) (   0.05, -75.65)   48.95                80
 01/14/2022   06:27:10   (  -0.03, -75.23) (  -0.96, -71.20)  459.19                80
 01/15/2022   18:49:40   (   0.03, -75.24) (  -0.28, -76.62)  157.25                80
 01/16/2022   18:33:57   (   0.02, -75.26) (   0.73, -72.18)  351.27                80
 01/18/2022   06:56:18   (  -0.02, -75.28) (   0.50, -77.57)  261.20                80
 01/19/2022   06:35:16   (  -0.02, -75.29) (  -0.50, -73.12)  247.41                80
 01/20/2022   18:57:45   (   0.02, -75.32) (  -0.72, -78.54)  368.48                80
 01/21/2022   18:42:03   (   0.03, -75.33) (   0.29, -74.10)  140.55                80