Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 11 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)
 11/18/2020   18:38:33   (  -0.01, -75.17) (  -0.36, -76.75)  180.04                80
 11/19/2020   18:22:16   (  -0.01, -75.16) (   0.68, -72.17)  342.19                80
 11/21/2020   06:43:46   (   0.01, -75.16) (   0.48, -77.35)  249.80                80
 11/22/2020   06:22:09   (   0.01, -75.16) (  -0.56, -72.77)  272.85                80
 11/23/2020   18:43:46   (  -0.00, -75.18) (  -0.62, -77.99)  320.72                80
 11/24/2020   18:27:30   (  -0.00, -75.18) (   0.42, -73.41)  202.62                80
 11/26/2020   06:48:59   (   0.00, -75.19) (   0.74, -78.60)  387.64                80
 11/27/2020   06:27:22   (   0.00, -75.20) (  -0.24, -74.01)  135.88                80
 11/28/2020   18:48:59   (  -0.00, -75.23) (  -0.93, -79.23)  456.74                80
 11/29/2020   18:32:43   (  -0.00, -75.24) (   0.11, -74.65)   67.09                80