Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 3 16.  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   09:01:57   (   0.02,-104.75) (   0.05,-104.78)    4.56                80
 03/19/2023   21:03:26   (  -0.02,-104.77) (  -0.25,-105.75)  112.19                80
 03/20/2023   20:47:44   (  -0.02,-104.78) (   0.79,-101.31)  395.86                80
 03/22/2023   09:10:06   (   0.02,-104.78) (   0.47,-106.69)  217.67                80
 03/23/2023   08:49:04   (   0.02,-104.79) (  -0.57,-102.25)  290.39                80
 03/24/2023   21:11:35   (  -0.02,-104.81) (  -0.64,-107.67)  325.28                80
 03/25/2023   20:55:52   (  -0.02,-104.81) (   0.36,-103.21)  183.07                80
 03/27/2023   09:18:13   (   0.02,-104.82) (   0.88,-108.59)  429.98                80
 03/28/2023   08:57:11   (   0.02,-104.83) (  -0.12,-104.14)   78.05                80