Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 11 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/07/2019   06:41:58   (  -0.00, -75.20) (   0.61, -77.82)  299.59                80
 11/08/2019   06:20:23   (   0.00, -75.20) (  -0.46, -73.26)  222.29                80
 11/09/2019   18:42:02   (   0.00, -75.21) (  -0.74, -78.49)  373.64                80
 11/10/2019   18:25:47   (  -0.00, -75.22) (   0.27, -73.91)  148.64                80
 11/12/2019   06:47:19   (   0.00, -75.24) (   0.85, -79.13)  442.79                80
 11/13/2019   06:25:44   (   0.00, -75.25) (  -0.16, -74.55)   79.53                80
 11/15/2019   18:31:08   (  -0.00, -75.27) (  -0.01, -75.21)    7.20                80
 11/18/2019   06:33:45   (   0.00, -75.30) (   0.13, -75.84)   61.99                80
 11/19/2019   06:12:09   (   0.00, -75.31) (  -0.89, -71.27)  460.66                80