Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 11 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/28/2019   06:44:24   (  -0.00, -75.20) (   0.74, -78.41)  365.84                80
 11/29/2019   06:22:49   (   0.00, -75.21) (  -0.28, -73.83)  156.19                80
 11/30/2019   18:44:28   (  -0.01, -75.22) (  -0.89, -79.06)  438.64                80
 12/01/2019   18:28:12   (  -0.01, -75.23) (   0.13, -74.49)   83.89                80
 12/04/2019   06:28:09   (   0.02, -75.26) (  -0.02, -75.13)   15.09                80
 12/06/2019   18:33:33   (  -0.02, -75.30) (  -0.12, -75.79)   55.09                80
 12/07/2019   18:11:58   (  -0.02, -75.32) (   0.90, -71.21)  468.34                80
 12/09/2019   06:36:10   (   0.02, -75.35) (   0.24, -76.42)  122.01                80
 12/10/2019   06:14:34   (   0.03, -75.37) (  -0.78, -71.85)  401.61                80