Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 7 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)
 07/30/2019   06:34:42   (  -0.03, -75.21) (   0.15, -76.02)   92.64                80
 07/31/2019   06:15:48   (  -0.03, -75.21) (  -0.90, -71.45)  428.83                80
 08/01/2019   18:34:47   (   0.04, -75.22) (  -0.31, -76.69)  166.90                80
 08/02/2019   18:18:33   (   0.04, -75.23) (   0.74, -72.12)  355.02                80
 08/04/2019   06:40:05   (  -0.04, -75.24) (   0.44, -77.33)  237.70                80
 08/05/2019   06:21:11   (  -0.04, -75.26) (  -0.61, -72.76)  284.69                80
 08/06/2019   18:40:10   (   0.04, -75.28) (  -0.59, -77.99)  309.68                80
 08/07/2019   18:23:55   (   0.04, -75.30) (   0.46, -73.43)  213.07                80
 08/09/2019   06:45:28   (  -0.05, -75.32) (   0.72, -78.63)  378.58                80
 08/10/2019   06:23:53   (  -0.05, -75.34) (  -0.33, -74.07)  144.37                80
 08/11/2019   18:45:34   (   0.06, -75.37) (  -0.81, -79.31)  449.16                80
 08/12/2019   18:29:18   (   0.06, -75.39) (   0.18, -74.74)   74.21                80