Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 8 31.  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   09:12:59   (   0.01,-104.72) (   0.10,-105.14)   47.85                80
 09/02/2023   08:51:55   (   0.01,-104.72) (  -0.92,-100.68)  460.62                80
 09/03/2023   21:14:23   (  -0.01,-104.69) (  -0.30,-106.09)  158.84                80
 09/04/2023   20:58:39   (  -0.01,-104.69) (   0.67,-101.62)  349.98                80
 09/06/2023   09:20:58   (   0.02,-104.73) (   0.50,-107.00)  257.57                80
 09/07/2023   08:59:54   (   0.02,-104.74) (  -0.47,-102.53)  250.96                80
 09/08/2023   21:22:22   (  -0.03,-104.70) (  -0.74,-107.94)  368.95                80
 09/09/2023   21:06:38   (  -0.03,-104.71) (   0.24,-103.48)  139.88                80
 09/11/2023   09:28:57   (   0.03,-104.75) (   0.93,-108.85)  467.11                80
 09/12/2023   09:07:52   (   0.04,-104.75) (  -0.05,-104.39)   41.64                80