Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 12 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/05/2023   19:18:53   (   0.01, -75.21) (  -0.12, -75.75)   61.90                80
 12/06/2023   19:03:06   (   0.01, -75.21) (   0.92, -71.28)  448.45                80
 12/08/2023   07:25:21   (  -0.01, -75.22) (   0.29, -76.63)  160.63                80
 12/09/2023   07:04:13   (  -0.01, -75.22) (  -0.70, -72.15)  349.88                80
 12/10/2023   19:26:36   (   0.01, -75.23) (  -0.50, -77.54)  262.96                80
 12/11/2023   19:10:49   (   0.00, -75.23) (   0.49, -73.06)  247.78                80
 12/13/2023   07:33:03   (   0.00, -75.25) (   0.70, -78.41)  360.52                80
 12/14/2023   07:11:56   (   0.01, -75.25) (  -0.30, -73.93)  150.08                80
 12/15/2023   19:34:18   (  -0.00, -75.25) (  -0.94, -79.31)  462.82                80
 12/16/2023   19:18:32   (  -0.01, -75.26) (   0.11, -74.85)   48.28                80