Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 11 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/22/2020   06:22:08   (   0.01, -75.15) (  -0.51, -72.76)  272.23                80
 11/23/2020   18:43:46   (  -0.01, -75.16) (  -0.61, -77.99)  321.87                80
 11/24/2020   18:27:29   (  -0.01, -75.17) (   0.37, -73.40)  201.16                80
 11/26/2020   06:48:58   (   0.00, -75.17) (   0.79, -78.59)  389.60                80
 11/27/2020   06:27:22   (   0.01, -75.18) (  -0.25, -74.01)  133.58                80
 11/28/2020   18:48:59   (  -0.00, -75.20) (  -0.92, -79.23)  459.58                80
 11/29/2020   18:32:43   (  -0.01, -75.21) (   0.12, -74.65)   63.95                80
 12/02/2020   06:35:16   (   0.00, -75.23) (   0.00, -75.25)    2.61                80
 12/04/2020   18:35:16   (   0.00, -75.26) (  -0.11, -75.89)   71.87                80
 12/05/2020   18:18:59   (   0.01, -75.27) (   0.87, -71.30)  452.03                80