Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 5 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/13/2023   19:10:31   (   0.01, -75.19) (  -0.33, -76.76)  178.43                80
 05/14/2023   18:54:47   (   0.01, -75.20) (   0.68, -72.31)  330.49                80
 05/16/2023   07:17:07   (  -0.01, -75.21) (   0.52, -77.68)  280.37                80
 05/17/2023   06:56:02   (  -0.01, -75.22) (  -0.44, -73.21)  228.85                80
 05/18/2023   19:18:31   (   0.01, -75.24) (  -0.73, -78.63)  385.84                80
 05/19/2023   19:02:47   (   0.01, -75.26) (   0.24, -74.17)  123.75                80
 05/21/2023   07:25:06   (  -0.01, -75.28) (   0.96, -79.54)  486.16                80
 05/22/2023   07:04:03   (  -0.01, -75.29) (  -0.06, -75.09)   23.56                80
 05/24/2023   19:08:07   (   0.01, -75.34) (  -0.17, -76.03)   79.92                80
 05/25/2023   18:52:23   (   0.01, -75.36) (   0.87, -71.58)  430.62                80