Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 4 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/08/2022   10:46:24   (  -0.03,-137.21) (  -0.45,-135.27)  221.38                80
 04/09/2022   23:11:33   (   0.03,-137.20) (  -0.76,-140.69)  397.48                80
 04/10/2022   22:50:30   (   0.02,-137.20) (   0.24,-136.24)  109.89                80
 04/13/2022   10:54:26   (  -0.02,-137.20) (  -0.05,-137.17)    5.10                80
 04/15/2022   23:01:11   (   0.01,-137.18) (  -0.21,-138.13)  108.87                80
 04/16/2022   22:40:07   (   0.02,-137.17) (   0.81,-133.68)  397.63                80
 04/18/2022   11:05:06   (  -0.02,-137.16) (   0.39,-139.06)  216.81                80
 04/19/2022   10:44:02   (  -0.02,-137.14) (  -0.56,-134.60)  289.07                80
 04/20/2022   23:09:11   (   0.01,-137.10) (  -0.63,-140.03)  332.73                80
 04/21/2022   22:50:47   (   0.01,-137.08) (   0.33,-135.56)  172.66                80