Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 1 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/16/2022   10:54:07   (  -0.02,-137.20) (   0.11,-137.76)   63.70                80
 01/17/2022   10:38:25   (  -0.01,-137.20) (  -0.90,-133.31)  443.59                80
 01/18/2022   22:58:14   (   0.00,-137.19) (  -0.33,-138.74)  175.34                80
 01/19/2022   22:42:31   (  -0.02,-137.19) (   0.62,-134.28)  332.05                80
 01/21/2022   11:04:53   (  -0.01,-137.20) (   0.55,-139.68)  283.07                80
 01/22/2022   10:43:50   (  -0.02,-137.19) (  -0.46,-135.23)  223.31                80
 01/23/2022   23:06:20   (   0.02,-137.18) (  -0.75,-140.66)  396.80                80
 01/24/2022   22:50:37   (   0.02,-137.17) (   0.26,-136.21)  109.41                80
 01/27/2022   10:54:35   (   0.02,-137.15) (   0.02,-137.14)    0.71                80