Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 11 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/05/2019   18:20:27   (   0.00, -75.19) (   0.58, -72.63)  292.40                80
 11/07/2019   06:41:58   (  -0.00, -75.19) (   0.59, -77.83)  300.58                80
 11/08/2019   06:20:23   (  -0.00, -75.19) (  -0.42, -73.25)  221.01                80
 11/09/2019   18:42:03   (   0.00, -75.20) (  -0.72, -78.49)  375.28                80
 11/10/2019   18:25:47   (  -0.00, -75.20) (   0.29, -73.92)  146.70                80
 11/12/2019   06:47:19   (   0.00, -75.21) (   0.88, -79.12)  445.28                80
 11/13/2019   06:25:43   (   0.00, -75.22) (  -0.13, -74.54)   76.77                80
 11/15/2019   18:31:08   (   0.00, -75.24) (   0.02, -75.21)    3.11                80
 11/18/2019   06:33:45   (  -0.01, -75.26) (   0.10, -75.85)   66.72                80