Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 2 9.  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   21:00:58   (  -0.03,-104.39) (  -0.33,-105.61)  139.56                80
 02/10/2023   20:45:16   (  -0.03,-103.59) (   0.55,-101.14)  279.76                80
 02/12/2023   09:04:55   (   0.03,-102.34) (   1.00,-106.46)  470.96                80
 02/13/2023   08:46:33   (   0.03,-101.53) (   0.11,-102.00)   51.95                80
 02/14/2023   08:30:49   (   0.03,-100.73) (  -0.72, -97.51)  366.99                80
 02/15/2023   20:50:36   (  -0.04, -99.50) (  -0.81,-102.87)  384.28                80
 02/16/2023   20:34:53   (  -0.04, -98.69) (   0.02, -98.39)   34.57                80
 02/17/2023   20:16:29   (  -0.05, -97.89) (   0.85, -93.91)  453.62                80
 02/19/2023   08:36:10   (   0.05, -96.64) (   0.63, -99.25)  297.09                80
 02/20/2023   08:20:26   (   0.05, -95.83) (  -0.21, -94.77)  121.97                80
 02/22/2023   20:21:50   (  -0.06, -93.81) (  -0.46, -95.65)  209.22                80