Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 10 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/05/2022   23:12:45   (  -0.04,-137.32) (  -0.63,-139.98)  302.03                80
 10/06/2022   22:57:00   (  -0.04,-137.32) (   0.38,-135.52)  206.50                80
 10/08/2022   11:16:37   (   0.03,-137.33) (   0.83,-140.89)  405.19                80
 10/09/2022   11:00:52   (   0.04,-137.33) (  -0.18,-136.43)  103.30                80
 10/11/2022   23:04:51   (  -0.04,-137.31) (  -0.03,-137.36)    6.00                80
 10/14/2022   11:06:02   (   0.03,-137.30) (   0.23,-138.27)  110.82                80
 10/15/2022   10:50:16   (   0.03,-137.29) (  -0.73,-133.80)  396.66                80
 10/16/2022   23:10:00   (  -0.03,-137.26) (  -0.49,-139.20)  222.21                80
 10/17/2022   22:54:15   (  -0.03,-137.24) (   0.53,-134.74)  284.90                80