Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 12 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/09/2023   07:06:53   (  -0.02, -75.21) (  -0.68, -72.15)  347.88                80
 12/10/2023   19:26:36   (   0.02, -75.21) (  -0.52, -77.53)  265.13                80
 12/11/2023   19:10:50   (   0.01, -75.21) (   0.52, -73.07)  245.23                80
 12/13/2023   07:33:03   (  -0.01, -75.21) (   0.73, -78.40)  364.33                80
 12/14/2023   07:11:57   (  -0.00, -75.21) (  -0.32, -73.94)  145.92                80
 12/15/2023   19:34:19   (   0.01, -75.22) (  -0.95, -79.31)  467.15                80
 12/16/2023   19:18:32   (   0.00, -75.22) (   0.10, -74.85)   43.50                80
 12/19/2023   07:22:19   (  -0.00, -75.24) (   0.08, -75.72)   53.89                80
 12/20/2023   07:01:12   (  -0.00, -75.25) (  -0.91, -71.24)  457.33                80
 12/21/2023   19:23:35   (   0.00, -75.27) (  -0.28, -76.63)  154.17                80
 12/22/2023   19:07:48   (  -0.00, -75.29) (   0.71, -72.15)  357.56                80