Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 12 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/11/2023   19:10:49   (   0.01, -75.21) (   0.49, -73.06)  244.86                80
 12/13/2023   07:33:04   (  -0.01, -75.20) (   0.70, -78.41)  365.49                80
 12/14/2023   07:11:56   (  -0.01, -75.20) (  -0.29, -73.93)  144.33                80
 12/15/2023   19:34:19   (   0.01, -75.20) (  -0.92, -79.32)  469.17                80
 12/16/2023   19:18:32   (   0.00, -75.20) (   0.07, -74.84)   41.06                80
 12/19/2023   07:22:19   (  -0.01, -75.21) (   0.13, -75.71)   57.60                80
 12/20/2023   07:01:12   (  -0.00, -75.22) (  -0.92, -71.25)  453.19                80
 12/21/2023   19:23:35   (   0.00, -75.23) (  -0.34, -76.62)  158.81                80
 12/22/2023   19:07:48   (   0.00, -75.24) (   0.71, -72.15)  352.50                80
 12/24/2023   07:30:01   (   0.00, -75.26) (   0.52, -77.49)  254.98                80