Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 3 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/17/2023   09:01:58   (   0.02,-104.75) (   0.02,-104.79)    4.11                80
 03/19/2023   21:03:26   (  -0.02,-104.77) (  -0.27,-105.75)  112.06                80
 03/20/2023   20:47:44   (  -0.02,-104.78) (   0.76,-101.31)  396.07                80
 03/22/2023   09:10:06   (   0.02,-104.78) (   0.45,-106.69)  217.46                80
 03/23/2023   08:49:04   (   0.02,-104.79) (  -0.54,-102.24)  290.61                80
 03/24/2023   21:11:34   (  -0.02,-104.81) (  -0.67,-107.66)  324.98                80
 03/25/2023   20:55:52   (  -0.02,-104.82) (   0.32,-103.20)  183.36                80
 03/27/2023   09:18:14   (   0.02,-104.83) (   0.87,-108.60)  429.72                80
 03/28/2023   08:57:12   (   0.02,-104.83) (  -0.13,-104.14)   78.31                80
 03/30/2023   21:01:19   (  -0.02,-104.85) (  -0.06,-105.11)   29.59                80