Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 2 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/09/2023   21:00:56   (  -0.03,-103.77) (  -0.44,-105.59)  207.23                80
 02/10/2023   20:45:12   (  -0.03,-102.62) (   0.33,-101.09)  174.80                80
 02/13/2023   08:46:26   (   0.03, -99.71) (   0.51,-101.91)  249.85                80
 02/14/2023   08:30:41   (   0.03, -98.56) (  -0.25, -97.41)  131.87                80
 02/16/2023   20:32:02   (  -0.04, -95.65) (  -0.62, -98.25)  295.54                80
 02/17/2023   20:16:18   (  -0.05, -94.50) (   0.15, -93.75)   86.23                80
 02/18/2023   19:57:52   (  -0.05, -93.35) (   0.87, -89.25)  468.21                80
 02/20/2023   08:17:31   (   0.05, -91.59) (   0.74, -94.56)  338.11                80
 02/21/2023   08:01:46   (   0.05, -90.45) (  -0.04, -90.06)   44.02                80