Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 10 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/30/2019   18:34:02   (   0.00, -75.20) (  -0.13, -75.91)   81.04                80
 10/31/2019   18:12:26   (   0.00, -75.20) (   0.88, -71.34)  440.28                80
 11/02/2019   06:36:37   (  -0.00, -75.20) (   0.28, -76.54)  152.47                80
 11/03/2019   06:15:02   (  -0.00, -75.20) (  -0.73, -71.96)  369.17                80
 11/04/2019   18:36:42   (   0.00, -75.21) (  -0.42, -77.21)  226.90                80
 11/05/2019   18:20:27   (   0.00, -75.22) (   0.59, -72.63)  295.28                80
 11/07/2019   06:41:58   (   0.00, -75.23) (   0.57, -77.83)  296.15                80
 11/08/2019   06:20:23   (   0.00, -75.25) (  -0.44, -73.26)  226.39                80
 11/09/2019   18:42:03   (  -0.00, -75.27) (  -0.70, -78.50)  368.35                80
 11/10/2019   18:25:47   (  -0.00, -75.28) (   0.32, -73.93)  154.62                80
 11/12/2019   06:47:19   (   0.00, -75.30) (   0.86, -79.13)  435.85                80