Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 7 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/18/2022   19:04:25   (  -0.03, -75.21) (  -0.82, -78.64)  392.11                80
 07/19/2022   18:48:41   (  -0.03, -75.22) (   0.20, -74.19)  116.96                80
 07/21/2022   07:10:58   (   0.03, -75.23) (   1.03, -79.56)  494.30                80
 07/22/2022   06:49:54   (   0.02, -75.24) (   0.01, -75.11)   15.00                80
 07/24/2022   18:53:57   (   0.01, -75.27) (  -0.17, -76.07)   91.07                80
 07/25/2022   18:38:12   (   0.01, -75.29) (   0.85, -71.62)  418.62                80
 07/27/2022   07:00:29   (  -0.01, -75.31) (   0.37, -76.99)  191.41                80
 07/28/2022   06:39:25   (  -0.01, -75.32) (  -0.66, -72.53)  318.58                80
 07/29/2022   19:01:51   (   0.01, -75.35) (  -0.58, -77.94)  295.09                80
 07/30/2022   18:46:07   (   0.00, -75.37) (   0.44, -73.49)  215.41                80