Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 3 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/14/2023   19:13:32   (   0.07, -75.20) (  -0.61, -78.29)  351.79                80
 03/15/2023   18:57:49   (   0.06, -75.20) (   0.35, -73.83)  155.28                80
 03/17/2023   07:20:11   (  -0.05, -75.19) (   0.88, -79.21)  458.94                80
 03/18/2023   06:59:10   (  -0.05, -75.19) (  -0.15, -74.77)   48.43                80
 03/20/2023   19:05:58   (   0.04, -75.21) (  -0.09, -75.73)   60.34                80
 03/21/2023   18:44:56   (   0.04, -75.22) (   0.95, -71.29)  447.93                80
 03/23/2023   07:09:58   (  -0.04, -75.23) (   0.31, -76.67)  164.17                80
 03/24/2023   06:48:56   (  -0.04, -75.24) (  -0.74, -72.23)  344.41                80
 03/25/2023   19:14:05   (   0.04, -75.26) (  -0.52, -77.63)  270.92                80
 03/26/2023   18:53:04   (   0.04, -75.28) (   0.54, -73.20)  238.08                80