Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 8 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)
 08/30/2019   06:48:00   (  -0.02, -75.18) (   0.91, -79.26)  465.60                80
 08/31/2019   06:26:26   (  -0.02, -75.18) (  -0.14, -74.69)   55.62                80
 09/02/2019   18:29:11   (   0.02, -75.20) (  -0.03, -75.36)   18.45                80
 09/05/2019   06:34:27   (  -0.03, -75.21) (   0.17, -75.99)   89.97                80
 09/06/2019   06:12:53   (  -0.03, -75.22) (  -0.88, -71.43)  432.03                80
 09/07/2019   18:34:33   (   0.03, -75.24) (  -0.29, -76.67)  162.69                80
 09/08/2019   18:18:19   (   0.04, -75.25) (   0.77, -72.10)  359.67                80
 09/10/2019   06:39:50   (  -0.04, -75.27) (   0.43, -77.30)  232.50                80
 09/11/2019   06:18:16   (  -0.04, -75.28) (  -0.63, -72.74)  290.26                80
 09/12/2019   18:39:56   (   0.04, -75.32) (  -0.55, -77.98)  303.23                80