Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 1 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/13/2023   19:14:23   (   0.05, -75.19) (  -0.88, -79.21)  459.41                80
 01/14/2023   18:58:43   (   0.05, -75.19) (   0.14, -74.78)   47.21                80
 01/17/2023   07:02:49   (  -0.04, -75.20) (   0.07, -75.74)   60.98                80
 01/18/2023   06:41:49   (  -0.03, -75.20) (  -0.89, -71.29)  445.68                80
 01/19/2023   19:04:23   (   0.02, -75.21) (  -0.33, -76.73)  173.32                80
 01/20/2023   18:48:44   (   0.01, -75.21) (   0.69, -72.29)  333.62                80
 01/22/2023   07:11:09   (  -0.01, -75.23) (   0.53, -77.69)  280.54                80
 01/23/2023   06:50:08   (   0.00, -75.23) (  -0.43, -73.24)  226.68                80
 01/24/2023   19:12:43   (   0.02, -75.25) (  -0.77, -78.68)  391.80                80
 01/25/2023   18:57:03   (   0.02, -75.26) (   0.26, -74.25)  116.04                80