Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 8 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)
 08/06/2023   07:06:52   (   0.03, -75.21) (  -0.06, -74.69)   58.90                80
 08/08/2023   19:10:58   (  -0.02, -75.23) (  -0.13, -75.64)   47.32                80
 08/09/2023   18:55:15   (  -0.02, -75.24) (   0.93, -71.20)  461.82                80
 08/11/2023   07:17:34   (  -0.02, -75.26) (   0.30, -76.57)  150.00                80
 08/12/2023   06:56:31   (  -0.01, -75.27) (  -0.70, -72.11)  359.50                80
 08/13/2023   19:19:00   (   0.01, -75.29) (  -0.49, -77.53)  254.49                80
 08/14/2023   19:03:17   (   0.00, -75.31) (   0.52, -73.07)  255.50                80
 08/16/2023   07:25:36   (  -0.00, -75.34) (   0.69, -78.44)  353.81                80
 08/17/2023   07:04:33   (   0.00, -75.36) (  -0.32, -73.99)  156.57                80
 08/18/2023   19:27:01   (  -0.00, -75.40) (  -0.92, -79.39)  456.14                80
 08/19/2023   19:11:17   (  -0.00, -75.42) (   0.10, -74.94)   54.75                80