Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 7 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)
 07/04/2022   10:45:06   (   0.04,-137.20) (  -0.63,-134.17)  344.75                80
 07/05/2022   23:10:12   (  -0.05,-137.19) (  -0.60,-139.58)  272.43                80
 07/06/2022   22:49:08   (  -0.04,-137.19) (   0.41,-135.12)  235.14                80
 07/08/2022   11:14:06   (   0.05,-137.18) (   0.81,-140.50)  378.48                80
 07/09/2022   10:53:01   (   0.04,-137.17) (  -0.21,-136.04)  128.41                80
 07/10/2022   23:18:08   (  -0.04,-137.15) (  -1.02,-141.45)  490.82                80
 07/11/2022   22:57:03   (  -0.03,-137.13) (  -0.01,-137.00)   15.44                80
 07/14/2022   11:03:37   (   0.02,-137.09) (   0.20,-137.92)   94.36                80
 07/15/2022   10:42:33   (   0.01,-137.07) (  -0.81,-133.46)  411.51                80
 07/16/2022   23:07:39   (  -0.02,-137.04) (  -0.42,-138.87)  208.74                80
 07/17/2022   22:46:34   (  -0.02,-137.02) (   0.59,-134.41)  297.26                80