Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 11 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/29/2019   06:22:49   (   0.01, -75.21) (  -0.30, -73.83)  156.39                80
 11/30/2019   18:47:08   (  -0.00, -75.22) (  -0.87, -79.07)  439.01                80
 12/01/2019   18:25:33   (   0.01, -75.23) (   0.15, -74.49)   83.13                80
 12/04/2019   06:28:10   (  -0.01, -75.25) (  -0.03, -75.13)   13.83                80
 12/06/2019   18:33:33   (   0.02, -75.29) (  -0.11, -75.79)   56.81                80
 12/07/2019   18:11:58   (   0.02, -75.31) (   0.92, -71.21)  466.42                80
 12/09/2019   06:36:10   (  -0.01, -75.34) (   0.22, -76.42)  123.91                80
 12/10/2019   06:14:35   (  -0.01, -75.35) (  -0.80, -71.85)  399.49                80
 12/11/2019   18:38:54   (   0.00, -75.39) (  -0.36, -77.09)  193.22                80
 12/12/2019   18:17:19   (   0.00, -75.41) (   0.67, -72.51)  330.26                80