Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 6 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/21/2020   06:43:00   (   0.01, -75.20) (   0.57, -77.70)  284.57                80
 06/22/2020   06:21:24   (   0.00, -75.20) (  -0.44, -73.11)  237.62                80
 06/23/2020   18:43:03   (  -0.00, -75.22) (  -0.72, -78.34)  357.07                80
 06/24/2020   18:26:48   (   0.00, -75.22) (   0.35, -73.77)  165.59                80
 06/26/2020   06:48:17   (   0.00, -75.23) (   0.83, -78.96)  425.14                80
 06/27/2020   06:26:41   (   0.00, -75.24) (  -0.17, -74.38)   97.83                80
 06/28/2020   18:48:20   (  -0.01, -75.26) (  -0.98, -79.61)  495.75                80
 06/29/2020   18:32:03   (  -0.00, -75.27) (   0.03, -75.03)   27.71                80
 07/02/2020   06:34:37   (  -0.01, -75.31) (   0.09, -75.64)   38.91                80
 07/03/2020   06:13:02   (  -0.01, -75.32) (  -0.97, -71.07)  484.71                80