Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 5 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/26/2020   06:35:34   (  -0.01, -75.20) (   0.19, -75.97)   88.85                80
 05/27/2020   06:13:59   (  -0.01, -75.20) (  -0.87, -71.40)  433.22                80
 05/28/2020   18:35:38   (   0.01, -75.21) (  -0.29, -76.63)  161.65                80
 05/29/2020   18:19:22   (   0.00, -75.21) (   0.71, -72.05)  360.90                80
 05/31/2020   06:40:52   (  -0.00, -75.22) (   0.42, -77.25)  230.19                80
 06/01/2020   06:19:15   (  -0.00, -75.23) (  -0.58, -72.66)  292.61                80
 06/02/2020   18:40:55   (   0.00, -75.25) (  -0.58, -77.89)  301.42                80
 06/03/2020   18:24:38   (   0.00, -75.26) (   0.42, -73.31)  221.80                80
 06/05/2020   06:46:08   (   0.00, -75.27) (   0.71, -78.51)  368.13                80
 06/06/2020   06:24:32   (   0.01, -75.29) (  -0.29, -73.92)  155.23                80
 06/07/2020   18:46:11   (  -0.02, -75.31) (  -0.87, -79.15)  438.14                80
 06/08/2020   18:29:55   (  -0.02, -75.33) (   0.13, -74.57)   85.74                80