Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 3 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/01/2023   08:53:05   (   0.01,-104.69) (  -0.25,-103.48)  137.79                80
 03/02/2023   21:15:37   (  -0.01,-104.69) (  -0.97,-108.91)  480.55                80
 03/03/2023   20:59:55   (  -0.01,-104.69) (   0.03,-104.46)   26.46                80
 03/06/2023   09:03:57   (   0.00,-104.70) (   0.18,-105.40)   80.79                80
 03/07/2023   08:42:56   (   0.00,-104.70) (  -0.83,-100.96)  426.38                80
 03/08/2023   21:05:26   (   0.00,-104.70) (  -0.40,-106.37)  191.35                80
 03/09/2023   20:49:44   (   0.00,-104.70) (   0.62,-101.93)  316.19                80
 03/11/2023   09:12:07   (  -0.00,-104.71) (   0.61,-107.31)  297.26                80
 03/12/2023   08:51:05   (   0.00,-104.71) (  -0.43,-102.87)  209.98                80
 03/13/2023   21:13:35   (  -0.00,-104.70) (  -0.83,-108.28)  408.41                80
 03/14/2023   20:57:53   (  -0.00,-104.70) (   0.22,-103.84)   98.78                80