Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 2 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/12/2022   11:00:29   (  -0.04,-137.20) (   0.24,-138.46)  143.00                80
 02/13/2022   10:39:25   (  -0.03,-137.20) (  -0.73,-134.00)  363.58                80
 02/14/2022   23:01:54   (   0.02,-137.18) (  -0.52,-139.42)  255.89                80
 02/15/2022   22:46:11   (   0.01,-137.17) (   0.51,-134.97)  250.65                80
 02/17/2022   11:08:32   (   0.00,-137.16) (   0.71,-140.36)  364.77                80
 02/18/2022   10:47:29   (  -0.00,-137.15) (  -0.26,-135.91)  141.13                80
 02/19/2022   23:09:58   (   0.00,-137.12) (  -0.93,-141.34)  479.68                80
 02/20/2022   22:54:15   (   0.01,-137.11) (   0.04,-136.88)   25.89                80
 02/23/2022   10:58:13   (  -0.00,-137.07) (   0.20,-137.81)   85.86                80
 02/24/2022   10:37:10   (   0.00,-137.05) (  -0.84,-133.37)  418.99                80