Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 8 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/12/2019   18:29:17   (   0.04, -75.17) (   0.15, -74.72)   50.99                80
 08/15/2019   06:31:55   (  -0.05, -75.17) (  -0.03, -75.37)   21.52                80
 08/17/2019   18:32:00   (   0.05, -75.19) (  -0.12, -76.03)   95.60                80
 08/18/2019   18:15:44   (   0.05, -75.20) (   0.88, -71.46)  426.55                80
 08/20/2019   06:37:17   (  -0.05, -75.22) (   0.28, -76.66)  165.43                80
 08/21/2019   06:15:42   (  -0.05, -75.23) (  -0.77, -72.10)  356.89                80
 08/22/2019   18:37:22   (   0.06, -75.25) (  -0.43, -77.33)  238.30                80
 08/23/2019   18:21:07   (   0.06, -75.26) (   0.63, -72.77)  284.21                80
 08/25/2019   06:42:39   (  -0.06, -75.28) (   0.53, -77.98)  307.24                80