Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 9 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/03/2023   21:14:23   (  -0.00,-104.69) (  -0.31,-106.09)  159.44                80
 09/04/2023   20:58:39   (  -0.00,-104.69) (   0.66,-101.62)  349.14                80
 09/06/2023   09:20:58   (   0.00,-104.72) (   0.50,-107.00)  259.32                80
 09/07/2023   08:59:54   (   0.00,-104.72) (  -0.47,-102.53)  248.96                80
 09/08/2023   21:22:22   (  -0.01,-104.69) (  -0.74,-107.94)  370.77                80
 09/09/2023   21:06:37   (  -0.01,-104.69) (   0.24,-103.48)  137.88                80
 09/11/2023   09:28:57   (   0.01,-104.73) (   0.92,-108.85)  469.86                80
 09/12/2023   09:07:52   (   0.01,-104.73) (  -0.06,-104.39)   38.71                80
 09/14/2023   21:11:56   (  -0.02,-104.70) (  -0.15,-105.34)   71.85                80
 09/15/2023   20:56:12   (  -0.02,-104.71) (   0.84,-100.87)  437.16                80