Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 12 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/03/2023   07:14:57   (  -0.01, -75.21) (  -0.08, -74.84)   42.24                80
 12/05/2023   19:18:53   (   0.01, -75.24) (  -0.09, -75.76)   59.16                80
 12/06/2023   19:03:06   (   0.01, -75.25) (   0.89, -71.28)  452.13                80
 12/08/2023   07:25:20   (  -0.01, -75.26) (   0.31, -76.63)  155.61                80
 12/09/2023   07:04:14   (  -0.01, -75.28) (  -0.73, -72.16)  355.77                80
 12/10/2023   19:26:36   (   0.01, -75.30) (  -0.52, -77.53)  255.71                80
 12/11/2023   19:10:50   (   0.00, -75.31) (   0.53, -73.07)  255.95                80
 12/13/2023   07:33:03   (   0.00, -75.33) (   0.71, -78.41)  350.93                80
 12/14/2023   07:11:56   (   0.01, -75.35) (  -0.34, -73.94)  160.56                80
 12/15/2023   19:34:19   (  -0.00, -75.36) (  -0.90, -79.32)  451.05                80
 12/16/2023   19:18:31   (  -0.01, -75.38) (   0.10, -74.84)   60.90                80