Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 4 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/07/2022   11:07:28   (  -0.03,-137.21) (   0.55,-139.72)  286.70                80
 04/08/2022   10:46:24   (  -0.03,-137.20) (  -0.46,-135.27)  220.44                80
 04/09/2022   23:11:33   (   0.02,-137.19) (  -0.76,-140.69)  399.10                80
 04/10/2022   22:50:30   (   0.02,-137.18) (   0.25,-136.24)  107.76                80
 04/13/2022   10:57:05   (  -0.01,-137.17) (   0.00,-137.16)    2.48                80
 04/15/2022   23:01:11   (   0.01,-137.13) (  -0.20,-138.13)  113.62                80
 04/16/2022   22:40:07   (   0.02,-137.12) (   0.81,-133.68)  392.38                80
 04/18/2022   11:05:05   (  -0.01,-137.10) (   0.44,-139.05)  222.95                80
 04/19/2022   10:44:02   (  -0.02,-137.08) (  -0.57,-134.60)  282.40                80
 04/20/2022   23:09:10   (   0.01,-137.04) (  -0.67,-140.02)  340.07                80