Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 8 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/01/2023   06:58:50   (   0.01, -75.20) (  -0.52, -72.83)  270.50                80
 08/02/2023   19:21:19   (  -0.01, -75.21) (  -0.68, -78.24)  345.34                80
 08/03/2023   19:05:36   (  -0.01, -75.22) (   0.32, -73.78)  164.01                80
 08/05/2023   07:27:56   (   0.01, -75.25) (   0.87, -79.16)  445.39                80
 08/06/2023   07:06:53   (   0.01, -75.27) (  -0.12, -74.70)   64.43                80
 08/08/2023   19:10:59   (  -0.02, -75.31) (  -0.07, -75.66)   39.92                80
 08/09/2023   18:55:15   (  -0.02, -75.33) (   0.93, -71.20)  470.51                80
 08/11/2023   07:17:34   (   0.02, -75.37) (   0.30, -76.57)  137.52                80
 08/12/2023   06:56:31   (   0.03, -75.39) (  -0.70, -72.12)  373.04                80
 08/13/2023   19:19:00   (  -0.03, -75.42) (  -0.48, -77.53)  240.43                80
 08/14/2023   19:03:17   (  -0.03, -75.44) (   0.52, -73.08)  270.63                80