Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 9 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/18/2023   07:15:39   (   0.05, -75.22) (   0.27, -76.19)  110.60                80
 09/19/2023   06:59:55   (   0.05, -75.23) (  -0.72, -71.73)  398.52                80
 09/20/2023   19:19:43   (  -0.05, -75.24) (  -0.45, -77.14)  216.28                80
 09/21/2023   19:03:58   (  -0.05, -75.24) (   0.54, -72.68)  292.88                80
 09/23/2023   07:23:37   (   0.04, -75.25) (   0.66, -78.04)  318.51                80
 09/24/2023   07:05:12   (   0.04, -75.25) (  -0.34, -73.58)  190.63                80
 09/25/2023   19:27:39   (  -0.02, -75.27) (  -0.87, -78.98)  423.86                80
 09/26/2023   19:11:55   (  -0.02, -75.28) (   0.13, -74.52)   85.89                80
 09/29/2023   07:13:09   (   0.02, -75.31) (   0.06, -75.43)   13.85                80
 09/30/2023   06:54:44   (   0.02, -75.33) (  -0.95, -70.97)  496.81                80
 10/01/2023   19:17:12   (  -0.02, -75.36) (  -0.24, -76.38)  115.63                80