Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 8 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)
 08/19/2020   06:25:11   (  -0.05, -75.18) (  -0.48, -73.22)  222.99                80
 08/20/2020   18:44:09   (   0.06, -75.19) (  -0.66, -78.45)  371.15                80
 08/21/2020   18:27:53   (   0.06, -75.20) (   0.36, -73.87)  151.50                80
 08/23/2020   06:46:43   (  -0.06, -75.20) (   0.80, -79.06)  440.49                80
 08/24/2020   06:30:27   (  -0.06, -75.20) (  -0.22, -74.48)   82.35                80
 08/26/2020   18:33:09   (   0.06, -75.23) (   0.09, -75.13)   11.98                80
 08/29/2020   06:33:02   (  -0.07, -75.25) (   0.05, -75.74)   56.04                80
 08/30/2020   06:16:46   (  -0.07, -75.26) (  -0.97, -71.16)  467.49                80
 08/31/2020   18:35:44   (   0.08, -75.30) (  -0.17, -76.39)  124.63                80
 09/01/2020   18:19:28   (   0.08, -75.32) (   0.85, -71.81)  399.54                80