Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 9 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/15/2023   19:11:45   (  -0.05, -75.21) (  -0.05, -75.29)    8.36                80
 09/18/2023   07:15:39   (   0.05, -75.22) (   0.27, -76.19)  111.09                80
 09/19/2023   06:59:55   (   0.05, -75.22) (  -0.72, -71.73)  397.94                80
 09/20/2023   19:19:43   (  -0.04, -75.23) (  -0.45, -77.14)  216.83                80
 09/21/2023   19:03:58   (  -0.04, -75.24) (   0.55, -72.68)  292.27                80
 09/23/2023   07:23:37   (   0.04, -75.24) (   0.66, -78.05)  319.43                80
 09/24/2023   07:05:12   (   0.03, -75.25) (  -0.34, -73.58)  189.62                80
 09/25/2023   19:27:39   (  -0.02, -75.26) (  -0.87, -78.99)  424.84                80
 09/26/2023   19:11:55   (  -0.02, -75.27) (   0.14, -74.53)   84.81                80