Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 8 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/15/2020   18:38:54   (   0.05, -75.18) (  -0.38, -77.19)  228.55                80
 08/16/2020   18:22:37   (   0.05, -75.18) (   0.63, -72.61)  292.85                80
 08/18/2020   06:41:28   (  -0.06, -75.16) (   0.53, -77.80)  301.37                80
 08/19/2020   06:25:11   (  -0.06, -75.15) (  -0.49, -73.22)  220.30                80
 08/20/2020   18:44:10   (   0.06, -75.16) (  -0.65, -78.45)  374.44                80
 08/21/2020   18:27:53   (   0.06, -75.16) (   0.37, -73.87)  147.76                80
 08/23/2020   06:46:43   (  -0.07, -75.16) (   0.79, -79.07)  445.16                80
 08/24/2020   06:30:27   (  -0.06, -75.16) (  -0.23, -74.48)   77.23                80
 08/26/2020   18:33:09   (   0.07, -75.18) (   0.11, -75.13)    6.64                80