Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 9 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/14/2022   23:02:24   (  -0.06,-137.31) (  -0.03,-137.03)   31.75                80
 09/17/2022   11:03:37   (   0.06,-137.30) (   0.18,-137.95)   73.55                80
 09/18/2022   10:47:51   (   0.06,-137.29) (  -0.81,-133.49)  433.99                80
 09/19/2022   23:07:36   (  -0.05,-137.27) (  -0.42,-138.89)  184.37                80
 09/20/2022   22:51:51   (  -0.04,-137.26) (   0.58,-134.43)  322.85                80
 09/22/2022   11:11:28   (   0.03,-137.25) (   0.63,-139.80)  291.41                80
 09/23/2022   10:55:43   (   0.03,-137.23) (  -0.37,-135.34)  215.56                80
 09/24/2022   23:15:28   (  -0.03,-137.21) (  -0.85,-140.74)  403.53                80
 09/25/2022   22:59:43   (  -0.03,-137.19) (   0.15,-136.28)  103.33                80