Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 4 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/08/2020   06:44:48   (  -0.01, -75.19) (   0.70, -78.32)  356.86                80
 04/09/2020   06:23:13   (  -0.01, -75.19) (  -0.35, -73.75)  164.90                80
 04/10/2020   18:44:51   (   0.02, -75.21) (  -0.83, -78.98)  429.79                80
 04/11/2020   18:28:36   (   0.02, -75.21) (   0.22, -74.40)   92.49                80
 04/13/2020   06:50:06   (  -0.02, -75.22) (   0.98, -79.59)  499.64                80
 04/14/2020   06:28:30   (  -0.02, -75.22) (  -0.07, -75.02)   22.74                80
 04/16/2020   18:31:13   (   0.02, -75.25) (  -0.06, -75.68)   47.98                80
 04/17/2020   18:14:57   (   0.02, -75.27) (   0.93, -71.09)  475.48                80
 04/19/2020   06:36:28   (  -0.01, -75.29) (   0.21, -76.29)  114.61                80
 04/20/2020   06:14:53   (  -0.01, -75.30) (  -0.84, -71.72)  408.94                80
 04/21/2020   18:36:31   (   0.01, -75.33) (  -0.33, -76.95)  183.47                80