Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 9 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/05/2020   18:40:59   (   0.05, -75.18) (  -0.50, -77.63)  279.20                80
 09/06/2020   18:24:42   (   0.05, -75.17) (   0.52, -73.04)  242.17                80
 09/08/2020   06:46:13   (  -0.05, -75.15) (   0.62, -78.24)  351.52                80
 09/09/2020   06:24:36   (  -0.05, -75.15) (  -0.40, -73.66)  169.91                80
 09/10/2020   18:46:14   (   0.06, -75.14) (  -0.75, -78.89)  426.00                80
 09/11/2020   18:29:58   (   0.06, -75.14) (   0.27, -74.31)   95.62                80
 09/13/2020   06:51:27   (  -0.07, -75.13) (   0.92, -79.49)  497.49                80
 09/14/2020   06:29:51   (  -0.07, -75.12) (  -0.10, -74.91)   24.29                80
 09/16/2020   18:32:33   (   0.08, -75.13) (  -0.03, -75.55)   48.96                80
 09/17/2020   18:16:16   (   0.08, -75.13) (   0.99, -70.97)  473.45                80