Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 2 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/04/2023   19:10:57   (   0.05, -75.19) (  -0.64, -78.12)  335.11                80
 02/05/2023   18:55:17   (   0.05, -75.19) (   0.42, -73.69)  172.05                80
 02/07/2023   07:17:42   (  -0.05, -75.21) (   0.84, -79.08)  441.49                80
 02/08/2023   06:56:41   (  -0.04, -75.22) (  -0.16, -74.64)   65.94                80
 02/10/2023   19:00:54   (   0.04, -75.24) (  -0.03, -75.63)   43.89                80
 02/11/2023   18:45:14   (   0.04, -75.26) (   0.97, -71.19)  464.08                80
 02/13/2023   07:07:38   (  -0.04, -75.28) (   0.28, -76.58)  148.36                80
 02/14/2023   06:46:37   (  -0.04, -75.29) (  -0.72, -72.13)  359.54                80
 02/15/2023   19:09:10   (   0.03, -75.31) (  -0.50, -77.56)  257.71                80
 02/16/2023   18:53:29   (   0.02, -75.32) (   0.51, -73.12)  250.54                80