Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 2 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/02/2020   18:34:59   (  -0.06, -75.20) (  -0.28, -76.14)  107.24                59
 02/03/2020   18:13:44   (  -0.06, -75.20) (   0.76, -71.57)  414.41                80
 02/05/2020   06:37:55   (   0.06, -75.20) (   0.41, -76.76)  177.61                80
 02/06/2020   06:16:19   (   0.07, -75.20) (  -0.62, -72.19)  344.04                80
 02/07/2020   18:40:39   (  -0.07, -75.20) (  -0.59, -77.41)  252.30                80
 02/08/2020   18:19:03   (  -0.07, -75.21) (   0.44, -72.84)  269.67                80
 02/10/2020   06:43:13   (   0.08, -75.22) (   0.73, -78.03)  321.62                80
 02/11/2020   06:21:38   (   0.08, -75.22) (  -0.30, -73.46)  200.57                80
 02/12/2020   18:45:58   (  -0.08, -75.23) (  -0.85, -78.70)  394.81                80
 02/13/2020   18:24:23   (  -0.08, -75.24) (   0.18, -74.13)  127.88                80
 02/15/2020   06:48:33   (   0.09, -75.26) (   0.99, -79.32)  462.16                80