Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 10 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)
 10/28/2019   06:31:16   (   0.00, -75.20) (   0.03, -75.24)    5.05                80
 10/30/2019   18:31:21   (  -0.00, -75.22) (  -0.18, -75.90)   78.36                80
 10/31/2019   18:15:06   (  -0.00, -75.23) (   0.89, -71.34)  443.89                80
 11/02/2019   06:36:38   (  -0.00, -75.24) (   0.27, -76.55)  148.03                80
 11/03/2019   06:15:02   (  -0.00, -75.25) (  -0.74, -71.97)  374.42                80
 11/04/2019   18:36:42   (   0.01, -75.28) (  -0.41, -77.21)  220.12                80
 11/05/2019   18:20:27   (   0.01, -75.29) (   0.61, -72.64)  302.85                80
 11/07/2019   06:41:58   (  -0.02, -75.32) (   0.57, -77.84)  287.76                80
 11/08/2019   06:20:24   (  -0.02, -75.34) (  -0.50, -73.28)  235.65                80