Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 10 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/15/2020   06:42:21   (  -0.01, -75.23) (   0.60, -77.81)  295.12                80
 10/16/2020   06:26:05   (  -0.01, -75.23) (  -0.43, -73.23)  228.10                80
 10/17/2020   18:45:04   (   0.01, -75.26) (  -0.69, -78.46)  364.87                80
 10/18/2020   18:28:48   (   0.00, -75.27) (   0.34, -73.88)  158.65                80
 10/20/2020   06:50:16   (  -0.01, -75.28) (   0.86, -79.06)  431.83                80
 10/21/2020   06:28:39   (  -0.00, -75.29) (  -0.17, -74.48)   91.71                80
 10/23/2020   18:34:01   (   0.00, -75.33) (   0.03, -75.13)   23.42                80
 10/26/2020   06:36:34   (  -0.01, -75.37) (   0.08, -75.74)   41.39                80
 10/27/2020   06:14:58   (  -0.00, -75.40) (  -0.95, -71.16)  483.28                80