Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 5 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)
 05/26/2020   06:35:34   (  -0.01, -75.19) (   0.19, -75.97)   88.97                80
 05/27/2020   06:13:59   (  -0.01, -75.20) (  -0.87, -71.40)  433.05                80
 05/28/2020   18:35:37   (   0.00, -75.21) (  -0.34, -76.62)  161.86                80
 05/29/2020   18:19:22   (   0.00, -75.21) (   0.72, -72.05)  360.66                80
 05/31/2020   06:40:51   (  -0.00, -75.22) (   0.47, -77.23)  230.51                80
 06/01/2020   06:19:15   (  -0.00, -75.22) (  -0.59, -72.66)  292.24                80
 06/02/2020   18:40:55   (   0.00, -75.24) (  -0.57, -77.90)  301.83                80
 06/03/2020   18:24:38   (  -0.00, -75.25) (   0.43, -73.31)  221.36                80
 06/05/2020   06:46:07   (   0.01, -75.27) (   0.75, -78.50)  368.64                80
 06/06/2020   06:24:32   (   0.01, -75.28) (  -0.31, -73.93)  154.70                80