Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 3 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/07/2023   07:03:51   (  -0.06, -75.19) (   0.01, -75.39)   23.49                80
 03/08/2023   06:42:51   (  -0.06, -75.19) (  -1.05, -70.96)  483.62                80
 03/09/2023   19:08:01   (   0.06, -75.19) (  -0.22, -76.37)  134.76                80
 03/10/2023   18:49:39   (   0.06, -75.19) (   0.78, -71.92)  372.56                80
 03/12/2023   07:12:03   (  -0.06, -75.21) (   0.43, -77.31)  240.52                80
 03/13/2023   06:51:01   (  -0.06, -75.21) (  -0.57, -72.87)  266.78                80
 03/14/2023   19:16:12   (   0.05, -75.20) (  -0.62, -78.29)  351.49                80
 03/15/2023   18:57:50   (   0.05, -75.21) (   0.33, -73.83)  156.05                80
 03/17/2023   07:20:13   (  -0.04, -75.22) (   0.87, -79.23)  456.39                80
 03/18/2023   06:59:12   (  -0.03, -75.23) (  -0.15, -74.78)   51.46                80