Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 2 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)
 02/10/2023   19:00:54   (   0.05, -75.19) (  -0.06, -75.62)   49.92                80
 02/11/2023   18:45:13   (   0.05, -75.19) (   0.94, -71.18)  457.07                80
 02/13/2023   07:07:39   (  -0.05, -75.20) (   0.25, -76.58)  157.27                80
 02/14/2023   06:46:38   (  -0.05, -75.20) (  -0.75, -72.14)  349.62                80
 02/15/2023   19:09:10   (   0.04, -75.21) (  -0.48, -77.57)  268.81                80
 02/16/2023   18:53:30   (   0.04, -75.21) (   0.53, -73.12)  238.34                80
 02/18/2023   07:15:54   (  -0.02, -75.22) (   0.72, -78.51)  375.25                80
 02/19/2023   06:54:54   (  -0.02, -75.23) (  -0.29, -74.07)  132.26                80
 02/20/2023   19:17:26   (   0.01, -75.24) (  -0.93, -79.50)  485.04                80
 02/21/2023   19:01:45   (   0.01, -75.25) (   0.03, -75.05)   23.23                80