Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 11 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/17/2020   06:16:55   (   0.01, -75.16) (  -0.81, -71.53)  414.98                80
 11/18/2020   18:38:32   (  -0.01, -75.17) (  -0.39, -76.74)  179.97                80
 11/19/2020   18:22:16   (  -0.01, -75.17) (   0.65, -72.16)  342.34                80
 11/21/2020   06:43:45   (   0.01, -75.16) (   0.50, -77.35)  249.60                80
 11/22/2020   06:22:09   (   0.01, -75.16) (  -0.53, -72.77)  273.08                80
 11/23/2020   18:43:46   (  -0.00, -75.18) (  -0.65, -77.99)  320.36                80
 11/24/2020   18:27:30   (  -0.00, -75.19) (   0.39, -73.41)  203.00                80
 11/26/2020   06:48:59   (   0.00, -75.20) (   0.77, -78.59)  387.19                80
 11/27/2020   06:27:22   (   0.00, -75.21) (  -0.27, -74.01)  136.35                80
 11/28/2020   18:49:00   (  -0.00, -75.23) (  -0.90, -79.23)  456.12                80
 11/29/2020   18:32:43   (  -0.00, -75.25) (   0.14, -74.65)   67.74                80