Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 1 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/31/2020   06:32:36   (   0.06, -75.21) (   0.11, -75.49)   31.00                80
 02/01/2020   06:11:00   (   0.06, -75.22) (  -0.93, -70.91)  491.26                80
 02/02/2020   18:35:20   (  -0.07, -75.23) (  -0.29, -76.14)  103.58                80
 02/03/2020   18:13:44   (  -0.06, -75.24) (   0.74, -71.56)  418.94                80
 02/05/2020   06:37:55   (   0.07, -75.25) (   0.42, -76.76)  172.12                80
 02/06/2020   06:16:19   (   0.07, -75.26) (  -0.61, -72.18)  350.39                80
 02/07/2020   18:40:39   (  -0.08, -75.28) (  -0.55, -77.42)  244.18                80
 02/08/2020   18:19:04   (  -0.08, -75.29) (   0.49, -72.85)  278.63                80
 02/10/2020   06:43:14   (   0.09, -75.31) (   0.68, -78.04)  311.71                80
 02/11/2020   06:21:39   (   0.09, -75.32) (  -0.35, -73.47)  211.35                80
 02/12/2020   18:45:58   (  -0.09, -75.35) (  -0.86, -78.70)  382.28                80