Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 10 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/17/2019   06:39:29   (  -0.00, -75.20) (   0.47, -77.22)  231.15                80
 10/18/2019   06:17:55   (  -0.00, -75.20) (  -0.59, -72.66)  290.19                80
 10/19/2019   18:39:35   (   0.01, -75.21) (  -0.59, -77.90)  306.65                80
 10/20/2019   18:23:19   (   0.01, -75.21) (   0.41, -73.32)  214.76                80
 10/22/2019   06:44:51   (  -0.02, -75.21) (   0.74, -78.53)  378.04                80
 10/23/2019   06:23:16   (  -0.02, -75.22) (  -0.32, -73.96)  143.64                80
 10/24/2019   18:44:57   (   0.02, -75.23) (  -0.86, -79.20)  452.33                80
 10/25/2019   18:28:41   (   0.02, -75.24) (   0.15, -74.63)   69.94                80
 10/28/2019   06:31:18   (  -0.03, -75.27) (  -0.05, -75.27)    3.18                80