Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 6 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/12/2023   07:20:41   (  -0.02, -75.19) (   0.64, -78.17)  338.54                80
 06/13/2023   06:59:38   (  -0.02, -75.20) (  -0.36, -73.71)  169.72                80
 06/14/2023   19:22:09   (   0.03, -75.21) (  -0.83, -79.13)  446.26                80
 06/15/2023   19:06:26   (   0.03, -75.22) (   0.16, -74.68)   62.31                80
 06/18/2023   07:10:26   (  -0.03, -75.25) (   0.03, -75.61)   40.91                80
 06/19/2023   06:52:03   (  -0.03, -75.26) (  -0.97, -71.16)  468.06                80
 06/20/2023   19:11:53   (   0.04, -75.28) (  -0.26, -76.57)  146.79                80
 06/21/2023   18:56:10   (   0.04, -75.30) (   0.74, -72.12)  362.72                80
 06/23/2023   07:15:53   (  -0.04, -75.33) (   0.45, -77.50)  247.73                80
 06/24/2023   07:00:10   (  -0.04, -75.35) (  -0.56, -73.05)  262.23                80