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

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/16/2020   06:37:44   (   0.01, -75.18) (   0.28, -76.44)  142.93                80
 06/17/2020   06:16:08   (   0.01, -75.18) (  -0.73, -71.85)  379.03                80
 06/18/2020   18:37:47   (  -0.00, -75.19) (  -0.43, -77.09)  215.92                80
 06/19/2020   18:21:32   (   0.00, -75.20) (   0.63, -72.51)  306.33                80
 06/21/2020   06:43:01   (  -0.01, -75.20) (   0.54, -77.70)  285.44                80
 06/22/2020   06:21:24   (  -0.01, -75.20) (  -0.46, -73.12)  236.83                80
 06/23/2020   18:43:04   (   0.01, -75.21) (  -0.69, -78.35)  357.81                80
 06/24/2020   18:26:47   (   0.01, -75.22) (   0.31, -73.77)  164.95                80
 06/26/2020   06:48:18   (  -0.01, -75.23) (   0.81, -78.97)  425.78                80
 06/27/2020   06:26:41   (  -0.01, -75.24) (  -0.20, -74.38)   97.17                80
 06/28/2020   18:48:20   (   0.01, -75.26) (  -0.95, -79.62)  496.53                80
 06/29/2020   18:32:04   (   0.00, -75.27) (   0.06, -75.04)   26.95                80