Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 9 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/04/2023   20:58:39   (  -0.00,-104.69) (   0.69,-101.63)  349.15                80
 09/06/2023   09:20:57   (  -0.00,-104.72) (   0.53,-106.99)  259.72                80
 09/07/2023   08:59:54   (  -0.01,-104.72) (  -0.50,-102.54)  248.40                80
 09/08/2023   21:22:22   (   0.01,-104.69) (  -0.71,-107.95)  371.40                80
 09/09/2023   21:06:38   (   0.01,-104.69) (   0.27,-103.48)  137.08                80
 09/11/2023   09:28:56   (  -0.01,-104.72) (   0.95,-108.85)  471.07                80
 09/12/2023   09:07:53   (  -0.01,-104.72) (  -0.09,-104.39)   37.40                80
 09/14/2023   21:11:57   (   0.01,-104.70) (  -0.12,-105.34)   73.17                80
 09/15/2023   20:56:12   (   0.01,-104.70) (   0.87,-100.88)  435.82                80
 09/17/2023   09:18:30   (  -0.01,-104.74) (   0.35,-106.24)  171.68                80