Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 3 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/02/2022   23:10:24   (   0.04,-137.22) (  -0.73,-140.72)  398.17                80
 03/03/2022   22:49:21   (   0.04,-137.23) (   0.24,-136.26)  109.34                80
 03/06/2022   10:55:59   (  -0.04,-137.23) (  -0.03,-137.20)    2.57                80
 03/08/2022   22:57:25   (   0.03,-137.22) (  -0.20,-138.17)  109.19                80
 03/09/2022   22:41:42   (   0.03,-137.21) (   0.84,-133.73)  397.46                80
 03/11/2022   11:04:02   (  -0.03,-137.20) (   0.39,-139.11)  218.13                80
 03/12/2022   10:42:59   (  -0.02,-137.19) (  -0.59,-134.66)  288.09                80
 03/13/2022   23:05:28   (   0.01,-137.17) (  -0.62,-140.08)  331.57                80
 03/14/2022   22:49:45   (   0.01,-137.16) (   0.36,-135.63)  174.39                80