Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 9 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/18/2023   07:15:39   (   0.05, -75.22) (   0.25, -76.19)  110.79                80
 09/19/2023   06:59:55   (   0.05, -75.22) (  -0.74, -71.73)  398.28                80
 09/20/2023   19:19:42   (  -0.05, -75.24) (  -0.50, -77.13)  216.54                80
 09/21/2023   19:03:59   (  -0.05, -75.24) (   0.56, -72.68)  292.59                80
 09/23/2023   07:23:37   (   0.04, -75.25) (   0.65, -78.05)  318.96                80
 09/24/2023   07:05:13   (   0.03, -75.25) (  -0.35, -73.59)  190.13                80
 09/25/2023   19:27:40   (  -0.02, -75.27) (  -0.86, -78.99)  424.41                80
 09/26/2023   19:11:55   (  -0.02, -75.28) (   0.14, -74.53)   85.26                80
 09/29/2023   07:13:09   (   0.02, -75.31) (   0.07, -75.43)   14.71                80