Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 6 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/28/2023   07:26:38   (  -0.02, -75.20) (   0.92, -79.38)  476.50                80
 06/29/2023   07:05:35   (  -0.02, -75.20) (  -0.09, -74.93)   31.19                80
 07/01/2023   19:09:41   (   0.02, -75.19) (  -0.16, -75.88)   78.68                80
 07/02/2023   18:53:59   (   0.02, -75.19) (   0.86, -71.43)  429.06                80
 07/04/2023   07:13:40   (  -0.02, -75.20) (   0.37, -76.80)  183.82                80
 07/05/2023   06:57:57   (  -0.02, -75.20) (  -0.65, -72.35)  324.25                80
 07/06/2023   19:17:47   (   0.02, -75.20) (  -0.55, -77.77)  292.28                80
 07/07/2023   19:02:03   (   0.01, -75.21) (   0.41, -73.31)  216.44                80
 07/09/2023   07:21:45   (  -0.01, -75.23) (   0.75, -78.70)  394.78                80
 07/10/2023   07:06:02   (  -0.01, -75.24) (  -0.22, -74.24)  114.37                80