Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 5 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/12/2023   06:48:02   (  -0.02, -75.19) (  -0.87, -71.35)  437.37                80
 05/13/2023   19:10:31   (   0.01, -75.19) (  -0.32, -76.76)  178.49                80
 05/14/2023   18:54:48   (   0.01, -75.20) (   0.69, -72.31)  330.43                80
 05/16/2023   07:17:06   (  -0.01, -75.21) (   0.57, -77.67)  280.42                80
 05/17/2023   06:56:02   (  -0.01, -75.22) (  -0.45, -73.21)  228.76                80
 05/18/2023   19:18:31   (   0.01, -75.24) (  -0.78, -78.62)  385.98                80
 05/19/2023   19:02:47   (   0.01, -75.25) (   0.25, -74.17)  123.58                80
 05/21/2023   07:25:07   (  -0.01, -75.28) (   0.96, -79.54)  486.29                80
 05/22/2023   07:04:03   (  -0.01, -75.29) (  -0.07, -75.09)   23.48                80
 05/24/2023   19:08:07   (   0.00, -75.33) (  -0.16, -76.03)   80.15                80
 05/25/2023   18:52:23   (   0.00, -75.35) (   0.87, -71.58)  430.36                80