Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 11 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/19/2020   18:22:16   (  -0.01, -75.16) (   0.63, -72.16)  342.14                80
 11/21/2020   06:43:45   (   0.01, -75.16) (   0.52, -77.34)  249.96                80
 11/22/2020   06:22:08   (   0.01, -75.16) (  -0.52, -72.76)  272.61                80
 11/23/2020   18:43:47   (  -0.01, -75.17) (  -0.61, -77.99)  321.16                80
 11/24/2020   18:27:29   (  -0.01, -75.18) (   0.38, -73.40)  202.10                80
 11/26/2020   06:48:58   (   0.00, -75.19) (   0.79, -78.59)  388.22                80
 11/27/2020   06:27:22   (   0.01, -75.20) (  -0.25, -74.01)  135.21                80
 11/28/2020   18:48:59   (  -0.00, -75.22) (  -0.92, -79.23)  457.57                80
 11/29/2020   18:32:43   (  -0.00, -75.23) (   0.12, -74.65)   66.17                80
 12/02/2020   06:32:36   (  -0.00, -75.26) (   0.01, -75.25)    1.30                80