Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 2 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/06/2023   09:15:19   (   0.00,-107.85) (   0.34,-109.24)  159.16                80
 02/07/2023   08:59:35   (  -0.00,-106.69) (  -0.42,-104.75)  221.71                80
 02/09/2023   21:00:57   (   0.01,-103.77) (  -0.42,-105.59)  207.84                80
 02/10/2023   20:45:12   (   0.00,-102.62) (   0.34,-101.10)  173.26                80
 02/13/2023   08:46:26   (  -0.00, -99.69) (   0.50,-101.91)  253.17                80
 02/14/2023   08:30:42   (  -0.00, -98.53) (  -0.27, -97.41)  127.55                80
 02/16/2023   20:32:02   (   0.01, -95.59) (  -0.60, -98.25)  303.26                80
 02/17/2023   20:16:18   (   0.01, -94.43) (   0.18, -93.76)   77.42                80
 02/18/2023   19:57:52   (   0.01, -93.28) (   0.89, -89.25)  458.43                80