Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 10 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)
 10/07/2020   18:34:35   (   0.01, -75.25) (  -0.17, -75.96)   81.72                80
 10/08/2020   18:18:18   (   0.00, -75.26) (   0.86, -71.38)  441.83                80
 10/10/2020   06:39:48   (  -0.01, -75.27) (   0.28, -76.57)  148.77                80
 10/11/2020   06:18:11   (  -0.01, -75.28) (  -0.74, -71.99)  374.79                80
 10/12/2020   18:39:49   (   0.01, -75.31) (  -0.44, -77.21)  217.44                80
 10/13/2020   18:23:33   (   0.01, -75.33) (   0.59, -72.63)  306.69                80
 10/15/2020   06:45:02   (  -0.01, -75.35) (   0.55, -77.82)  282.62                80
 10/16/2020   06:23:26   (  -0.01, -75.37) (  -0.48, -73.24)  241.70                80
 10/17/2020   18:45:04   (   0.01, -75.41) (  -0.70, -78.47)  349.69                80
 10/18/2020   18:28:48   (   0.01, -75.43) (   0.33, -73.89)  175.04                80