Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 2 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/06/2022   11:10:47   (  -0.05,-137.20) (   0.82,-140.99)  432.50                80
 02/07/2022   10:49:44   (  -0.05,-137.20) (  -0.20,-136.55)   74.54                80
 02/09/2022   22:53:50   (   0.04,-137.19) (  -0.03,-137.52)   37.40                80
 02/10/2022   22:38:08   (   0.04,-137.18) (   0.99,-133.07)  469.09                80
 02/12/2022   11:00:29   (  -0.03,-137.17) (   0.25,-138.46)  146.77                80
 02/13/2022   10:39:25   (  -0.03,-137.16) (  -0.72,-134.00)  359.28                80
 02/14/2022   23:04:34   (   0.00,-137.14) (  -0.53,-139.42)  260.43                80
 02/15/2022   22:46:11   (  -0.00,-137.12) (   0.49,-134.97)  245.43                80
 02/17/2022   11:08:32   (   0.01,-137.10) (   0.74,-140.36)  371.36                80
 02/18/2022   10:47:30   (   0.00,-137.09) (  -0.28,-135.92)  133.97                80
 02/19/2022   23:09:58   (  -0.00,-137.06) (  -0.96,-141.33)  487.33                80