Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 10 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/11/2020   06:18:11   (   0.00, -75.23) (  -0.74, -71.99)  370.06                80
 10/12/2020   18:39:49   (   0.00, -75.25) (  -0.45, -77.21)  223.60                80
 10/13/2020   18:23:33   (  -0.00, -75.25) (   0.58, -72.63)  299.21                80
 10/15/2020   06:45:02   (  -0.00, -75.25) (   0.56, -77.82)  292.61                80
 10/16/2020   06:23:26   (   0.00, -75.26) (  -0.47, -73.24)  230.47                80
 10/17/2020   18:45:04   (  -0.00, -75.28) (  -0.71, -78.46)  362.33                80
 10/18/2020   18:28:47   (  -0.00, -75.29) (   0.32, -73.88)  161.07                80
 10/20/2020   06:50:16   (   0.00, -75.30) (   0.88, -79.06)  429.84                80
 10/21/2020   06:28:39   (   0.00, -75.31) (  -0.16, -74.48)   93.60                80
 10/22/2020   18:50:19   (   0.00, -75.34) (  -0.96, -79.72)  498.77                80
 10/23/2020   18:34:02   (  -0.00, -75.35) (   0.07, -75.14)   25.30                80