Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 9 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)
 09/12/2023   07:26:05   (   0.04, -75.20) (   0.88, -78.79)  410.07                80
 09/13/2023   07:10:21   (   0.04, -75.20) (  -0.16, -74.34)   98.10                80
 09/15/2023   19:11:45   (  -0.03, -75.21) (  -0.04, -75.29)    8.71                80
 09/18/2023   07:15:39   (   0.03, -75.22) (   0.27, -76.19)  111.57                80
 09/19/2023   06:57:16   (   0.04, -75.22) (  -0.78, -71.74)  397.47                80
 09/20/2023   19:19:43   (  -0.03, -75.23) (  -0.45, -77.14)  217.26                80
 09/21/2023   19:03:58   (  -0.03, -75.24) (   0.55, -72.68)  291.80                80
 09/23/2023   07:26:17   (   0.02, -75.24) (   0.66, -78.05)  319.94                80
 09/24/2023   07:05:12   (   0.02, -75.25) (  -0.33, -73.58)  189.09                80
 09/25/2023   19:27:40   (  -0.01, -75.26) (  -0.88, -78.99)  425.38                80