Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 9 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/01/2023   09:12:58   (  -0.00,-104.71) (   0.11,-105.13)   48.52                80
 09/02/2023   08:51:55   (  -0.00,-104.71) (  -0.92,-100.68)  459.85                80
 09/03/2023   21:14:23   (   0.00,-104.68) (  -0.31,-106.09)  159.83                80
 09/04/2023   20:58:40   (   0.00,-104.69) (   0.72,-101.63)  348.80                80
 09/06/2023   09:20:58   (   0.00,-104.72) (   0.51,-107.00)  259.07                80
 09/07/2023   08:59:54   (   0.00,-104.72) (  -0.47,-102.53)  249.28                80
 09/08/2023   21:22:22   (  -0.01,-104.69) (  -0.75,-107.94)  370.86                80
 09/09/2023   21:06:37   (  -0.01,-104.69) (   0.23,-103.48)  137.83                80
 09/11/2023   09:28:57   (   0.02,-104.73) (   0.94,-108.85)  469.43                80
 09/12/2023   09:07:52   (   0.02,-104.73) (  -0.04,-104.39)   39.19                80
 09/14/2023   21:11:56   (  -0.02,-104.70) (  -0.18,-105.33)   71.89                80