Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 1 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/19/2022   06:35:16   (  -0.05, -75.18) (  -0.49, -73.11)  234.53                80
 01/20/2022   18:57:46   (   0.05, -75.18) (  -0.68, -78.55)  383.60                80
 01/21/2022   18:42:02   (   0.05, -75.18) (   0.27, -74.09)  123.88                80
 01/23/2022   07:04:25   (  -0.05, -75.19) (   0.90, -79.49)  490.15                80
 01/24/2022   06:43:22   (  -0.05, -75.20) (  -0.11, -75.05)   17.68                80
 01/26/2022   18:47:28   (   0.04, -75.21) (  -0.15, -76.02)   92.00                80
 01/27/2022   18:31:46   (   0.04, -75.22) (   0.87, -71.57)  415.94                80
 01/29/2022   06:54:07   (  -0.03, -75.23) (   0.37, -76.96)  197.45                80
 01/30/2022   06:33:04   (  -0.03, -75.24) (  -0.64, -72.51)  310.46                80
 01/31/2022   18:55:34   (   0.03, -75.25) (  -0.55, -77.94)  306.37                80
 02/01/2022   18:39:50   (   0.01, -75.26) (   0.41, -73.48)  202.64                80