Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 2 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/07/2023   08:59:35   (   0.01,-106.69) (  -0.44,-104.75)  221.73                80
 02/09/2023   21:00:57   (  -0.01,-103.78) (  -0.41,-105.59)  207.12                80
 02/10/2023   20:45:13   (  -0.01,-102.62) (   0.35,-101.10)  174.00                80
 02/13/2023   08:46:26   (   0.01, -99.69) (   0.49,-101.91)  252.80                80
 02/14/2023   08:30:41   (   0.01, -98.53) (  -0.22, -97.40)  127.97                80
 02/16/2023   20:32:03   (  -0.01, -95.60) (  -0.60, -98.25)  302.23                80
 02/17/2023   20:16:18   (  -0.01, -94.44) (   0.17, -93.76)   78.57                80
 02/18/2023   19:57:53   (  -0.01, -93.29) (   0.88, -89.25)  459.60                80
 02/20/2023   08:17:31   (   0.01, -91.51) (   0.73, -94.56)  347.98                80