Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 7 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/30/2023   09:20:04   (  -0.00,-104.73) (   0.58,-107.32)  295.58                80
 07/31/2023   08:59:00   (   0.00,-104.72) (  -0.41,-102.86)  211.83                80
 08/01/2023   21:21:28   (  -0.00,-104.68) (  -0.84,-108.27)  409.57                80
 08/02/2023   21:05:46   (  -0.00,-104.68) (   0.21,-103.82)   98.24                80
 08/05/2023   09:09:43   (   0.00,-104.71) (  -0.00,-104.74)    2.93                80
 08/07/2023   21:11:08   (  -0.01,-104.67) (  -0.25,-105.68)  115.68                80
 08/08/2023   20:55:24   (  -0.01,-104.67) (   0.74,-101.23)  392.50                80
 08/10/2023   09:17:44   (   0.01,-104.72) (   0.44,-106.61)  215.48                80
 08/11/2023   08:56:41   (   0.02,-104.71) (  -0.56,-102.15)  292.38                80