Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 10 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/23/2019   06:23:15   (  -0.02, -75.19) (  -0.28, -73.95)  141.09                80
 10/24/2019   18:44:56   (   0.02, -75.20) (  -0.90, -79.19)  455.32                80
 10/25/2019   18:28:41   (   0.02, -75.20) (   0.17, -74.63)   66.38                80
 10/28/2019   06:31:17   (  -0.01, -75.21) (  -0.03, -75.25)    5.41                80
 10/30/2019   18:34:01   (  -0.01, -75.23) (  -0.19, -75.91)   77.22                80
 10/31/2019   18:12:26   (  -0.01, -75.24) (   0.89, -71.34)  445.04                80
 11/02/2019   06:36:38   (   0.01, -75.25) (   0.28, -76.55)  146.83                80
 11/03/2019   06:15:02   (   0.00, -75.27) (  -0.73, -71.97)  375.64                80
 11/04/2019   18:39:22   (  -0.01, -75.29) (  -0.42, -77.21)  218.32                80
 11/05/2019   18:17:47   (  -0.00, -75.31) (   0.60, -72.64)  304.76                80