Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 7 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/27/2019   18:29:25   (   0.02, -75.20) (  -0.03, -75.38)   20.42                80
 07/30/2019   06:34:42   (  -0.03, -75.20) (   0.15, -76.02)   93.08                80
 07/31/2019   06:15:48   (  -0.03, -75.21) (  -0.90, -71.45)  428.22                80
 08/01/2019   18:34:47   (   0.04, -75.21) (  -0.31, -76.69)  168.06                80
 08/02/2019   18:18:33   (   0.04, -75.22) (   0.74, -72.12)  353.70                80
 08/04/2019   06:37:25   (  -0.04, -75.23) (   0.43, -77.33)  239.06                80
 08/05/2019   06:21:11   (  -0.04, -75.24) (  -0.62, -72.76)  283.16                80
 08/06/2019   18:40:10   (   0.04, -75.26) (  -0.58, -78.00)  311.80                80
 08/07/2019   18:23:55   (   0.04, -75.28) (   0.47, -73.43)  210.81                80