Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 2 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/06/2020   06:16:19   (   0.06, -75.20) (  -0.60, -72.18)  343.88                80
 02/07/2020   18:37:59   (  -0.06, -75.20) (  -0.55, -77.42)  252.33                80
 02/08/2020   18:21:43   (  -0.06, -75.21) (   0.49, -72.84)  269.71                80
 02/10/2020   06:43:13   (   0.07, -75.21) (   0.72, -78.03)  321.51                80
 02/11/2020   06:21:37   (   0.07, -75.22) (  -0.32, -73.46)  200.76                80
 02/12/2020   18:43:17   (  -0.07, -75.23) (  -0.83, -78.70)  394.54                80
 02/13/2020   18:27:01   (  -0.07, -75.24) (   0.15, -74.11)  128.30                80
 02/15/2020   06:48:31   (   0.07, -75.26) (   0.99, -79.31)  461.58                80
 02/16/2020   06:26:56   (   0.07, -75.27) (  -0.05, -74.74)   61.39                80
 02/18/2020   18:29:40   (  -0.08, -75.31) (  -0.10, -75.39)    9.60                80