Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 2 4.  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   (   0.01,-107.85) (   0.34,-109.24)  158.93                80
 02/07/2023   08:59:35   (   0.01,-106.69) (  -0.42,-104.74)  221.89                80
 02/09/2023   21:00:57   (  -0.02,-103.77) (  -0.42,-105.59)  208.04                80
 02/10/2023   20:45:12   (  -0.01,-102.61) (   0.34,-101.10)  172.93                80
 02/13/2023   08:46:26   (   0.02, -99.68) (   0.49,-101.91)  253.40                80
 02/14/2023   08:30:40   (   0.02, -98.52) (  -0.22, -97.40)  127.24                80
 02/16/2023   20:32:01   (  -0.02, -95.58) (  -0.65, -98.24)  303.87                80
 02/17/2023   20:16:17   (  -0.02, -94.42) (   0.13, -93.75)   76.76                80