Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 2 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)
 02/14/2022   23:01:55   (   0.04,-137.19) (  -0.45,-139.43)  255.55                80
 02/15/2022   22:46:11   (   0.04,-137.18) (   0.52,-134.98)  251.03                80
 02/17/2022   11:08:33   (  -0.03,-137.17) (   0.70,-140.36)  364.11                80
 02/18/2022   10:47:30   (  -0.03,-137.16) (  -0.33,-135.92)  142.10                80
 02/19/2022   23:09:58   (   0.02,-137.14) (  -0.92,-141.34)  478.17                80
 02/20/2022   22:54:16   (   0.02,-137.13) (   0.11,-136.89)   27.82                80
 02/23/2022   10:58:14   (  -0.02,-137.09) (   0.13,-137.83)   83.57                80
 02/24/2022   10:37:10   (  -0.02,-137.07) (  -0.84,-133.37)  421.41                80
 02/25/2022   22:59:39   (   0.00,-137.03) (  -0.41,-138.79)  200.73                80
 02/26/2022   22:43:55   (  -0.00,-137.01) (   0.57,-134.33)  303.98                80